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body_diff: "[{\"diffs\":[[1,\"<html>\\\r\\\n<head>\\\r\\\n  <title>如何检查远程 Linux 系统上的端口是否开放？</title>\\\r\\\n  <basefont face=\\\"微软雅黑\\\" size=\\\"2\\\" />\\\r\\\n  <meta http-equiv=\\\"Content-Type\\\" content=\\\"text/html;charset=utf-8\\\" />\\\r\\\n  <meta name=\\\"exporter-version\\\" content=\\\"YXBJ Windows/608924 (zh-CN, DDL); Windows/10.0.0 (Win64); EDAMVersion=V2;\\\"/>\\\r\\\n  <meta name=\\\"content-class\\\" content=\\\"yinxiang.peso.superNote\\\"/>\\\r\\\n  <meta name=\\\"application-data:yinxiang.noteLayout\\\" content=\\\"{\\\"lineSpace\\\":\\\"recommend\\\",\\\"paragraphSpace\\\":\\\"recommend\\\"}\\\"/>\\\r\\\n  <style>\\\r\\\n\\tbody, td {\\\r\\\n\\t  font-family: 微软雅黑;\\\r\\\n\\t  font-size: 12pt;\\\r\\\n\\t}\\\r\\\n  </style>\\\r\\\n</head>\\\r\\\n<body>\\\r\\\n<a name=\\\"39431\\\"></a>\\\r\\\n<h1>如何检查远程 Linux 系统上的端口是否开放？</h1>\\\r\\\n\\\r\\\n<div><span style=\\\"margin:0px;\\\"><div style=\\\"padding:8px 0px;margin:8px auto;max-width:700px;\\\"> <div><span></span></div>\\\n<p></p>\\\n<div style=\\\"--en-blockquote:true;box-sizing: border-box; padding-left: 19px; padding-top: 6px; padding-bottom: 6px; border-left: 3px solid #b4c0cc; background-position: initial initial; background-repeat: initial initial; margin-top: 6px\\\"><div>原文链接: <a href=\\\"http://mp.weixin.qq.com/s?__biz=MzIxMTA2ODE1OQ==&amp;mid=2651161816&amp;idx=1&amp;sn=c839416f1e0c71535cf071f814e351f1&amp;chksm=8d5677b1f15c578a146a208a5c81d4b4ef154eca02e19a559f3dff816ca5c9ccf938f5811ed6&amp;mpshare=1&amp;scene=1&amp;srcid=0407FDWM2VnfPRPMcfMSq5ji&amp;sharer_shareinfo=93d4a0a4e8dcab53610d975adacb137d&amp;sharer_shareinfo_first=93d4a0a4e8dcab53610d975adacb137d#rd\\\"><span>http://mp.weixin.qq.com/s?__biz=MzIxMTA2ODE1OQ==&amp;mid=2651161...</span></a></div></div>\\\n<p></p>\\\n<div><span></span></div>\\\n<div style=\\\"\\\"><div><div><h1 style=\\\"margin:0\\\"> 如何检查远程 Linux 系统上的端口是否开放？ </h1><div><span style=\\\"position:relative\\\">原创</span><span> 漫谈君 </span><span><a style=\\\"position:relative\\\"> 运维漫谈 </a></span><span><em></em></span></div><div style=\\\";\\\"><p style=\\\"margin:0;margin-bottom:0;max-width:100%;white-space:normal;overflow-wrap:break-word !important;box-sizing:border-box !important\\\"><span><img src=\\\":/fb4de7ee59ce47a78ff2cdda100cd6a2\\\" type=\\\"image/gif\\\" data-filename=\\\"640.gif\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;overflow-wrap: break-word !important;\\\"/></span></p><div style=\\\"margin-bottom: 0px;\\\"><div><span><br/></span></div><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:0;color:rgb(10,10,10);font-family:ui-sans-serif,system-ui,sans-serif,&quot;Apple Color Emoji&quot;,&quot;Segoe UI Emoji&quot;,&quot;Segoe UI Symbol&quot;,&quot;Noto Color Emoji&quot;;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:start;text-indent:0;text-transform:none;widows:2;word-spacing:0;-webkit-text-stroke-width:0;white-space:normal;background-color:rgb(255,255,255);text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;font-size:0;line-height:0\\\"><span> </span></p><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));color: rgb(10, 10, 10);font-size: 14px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;\\\"><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:0 8px 1.5em;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><span>在Linux系统的网络管理中，检查远程服务器端口是否开放是一个非常重要的操作。这项工作不仅对系统管理员来说至关重要，也是安全审计的一部分。确保必要的端口对外开放，同时封锁不需要的端口，可以有效提高系统的安全性，并避免潜在的攻击威胁。</span></p><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/1adc5b60b57c4d3bba0780207e3b6c5a\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><span>在开始之前，我们首先需要了解一些基本概念：</span></p><ul style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 端口：端口是计算机网络中用于标识特定进程的通信入口，每个应用程序都会通过某个端口进行通信。常见的端口号包括HTTP的80端口、HTTPS的443端口、SSH的22端口等。</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 开放端口：指服务器上特定的端口处于监听状态，并且允许来自外部的连接。对于远程系统的管理或服务的访问，确认端口是否开放是非常关键的。</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 远程系统：即通过网络连接的另一台计算机或服务器，它可能位于内网或互联网中。检查远程系统端口是否开放，主要是通过网络协议进行探测。</span></div></li></ul><h2 style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));font-size:18.2px;font-weight:bold;margin:4em auto 2em;text-align:center;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;display:table;padding:0.3em 1em;color:rgb(255,255,255);background:rgb(85,201,234);border-radius:8px;box-shadow:rgba(0,0,0,0.1) 0 4px 6px\\\"><span>常用方法一：使用</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 16.38px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>telnet</span></code><span>命令检查端口</span></h2><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>telnet</span></code><span>命令是最直接、最简单的检查远程系统端口是否开放的方式。它可以帮助你快速验证特定端口是否响应。</span></p><h3 style=\\\"box-sizing:border-box;border-width:0 0 1px 4px;border-style:solid solid dashed;border-bottom-color:rgb(85,201,234);border-left-color:rgb(85,201,234);font-size:16.8px;font-weight:bold;margin:2em 8px 0.75em 0;text-align:left;line-height:1.2;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;padding-left:12px;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 15.12px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>telnet</span></code><span>命令使用步骤</span></h3><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>1. 打开终端，输入以下命令：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>telnet &lt;远程IP地址&gt; &lt;端口号&gt;</span></div></pre><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>2. 例如，如果你想检查远程服务器 </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>192.168.3.110</span></code><span> 上的80端口是否开放，可以输入：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>telnet 192.168.3.110 80</span></div></pre><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>3. 如果端口开放，</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>telnet</span></code><span> 会显示连接成功的消息，并返回类似于以下的提示：</span></div></li></ol><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/d16c6720c9cb43bc9ad7606c669b940b\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>4. 如果端口未开放，命令将显示连接失败的消息：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>Trying 192.168.3.110...</span><br style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));\\\"/><span>telnet: Unable to connect to remote host: Connection refused</span></div></pre><ul style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 优点：简单直接，快速检查某个端口是否响应。</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 缺点：</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>telnet</span></code><span> 在很多Linux发行版中已经被弃用，且其功能较为基础，不支持复杂的网络分析。</span></div></li></ul><h2 style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));font-size:18.2px;font-weight:bold;margin:4em auto 2em;text-align:center;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;display:table;padding:0.3em 1em;color:rgb(255,255,255);background:rgb(85,201,234);border-radius:8px;box-shadow:rgba(0,0,0,0.1) 0 4px 6px\\\"><span>常用方法二：使用</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 16.38px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nc</span></code><span>（Netcat）命令</span></h2><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nc</span></code><span>（Netcat）是一个功能强大的网络工具，常用于网络调试和端口扫描。它不仅可以检查端口是否开放，还能提供更多的网络信息。</span></p><h3 style=\\\"box-sizing:border-box;border-width:0 0 1px 4px;border-style:solid solid dashed;border-bottom-color:rgb(85,201,234);border-left-color:rgb(85,201,234);font-size:16.8px;font-weight:bold;margin:2em 8px 0.75em 0;text-align:left;line-height:1.2;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;padding-left:12px;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 15.12px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nc</span></code><span>命令使用步骤</span></h3><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>1. 输入以下命令检查远程端口：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nc -zv &lt;远程IP地址&gt; &lt;端口号&gt;</span></div></pre><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>2. 例如，检查远程 </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>192.168.3.110</span></code><span> 的 80 端口：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nc -zv 192.168.3.110 80</span></div></pre><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>3. 如果端口开放，输出如下：</span></div></li></ol><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/5c10fba3e47140e0bbb67a650fdb03b6\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>4. 如果端口未开放，则输出：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nc: connect to 192.168.3.110 port 80 (tcp) failed: Connection refused</span></div></pre><ul style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 优点：</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nc</span></code><span>非常灵活，支持多种网络协议，适用于扫描多个端口，可以作为替代</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>telnet</span></code><span>的工具。</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 缺点：虽然功能强大，但命令的使用方式相对较复杂，对于初学者来说，可能需要一些学习成本。</span></div></li></ul><h2 style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));font-size:18.2px;font-weight:bold;margin:4em auto 2em;text-align:center;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;display:table;padding:0.3em 1em;color:rgb(255,255,255);background:rgb(85,201,234);border-radius:8px;box-shadow:rgba(0,0,0,0.1) 0 4px 6px\\\"><span>常用方法三：使用</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 16.38px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nmap</span></code><span>进行端口扫描</span></h2><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nmap</span></code><span>是一个非常强大的网络扫描工具，可以用来扫描远程Linux系统的开放端口，检测安全漏洞等。它支持TCP、UDP协议的扫描，还可以执行操作系统识别等高级功能。</span></p><h3 style=\\\"box-sizing:border-box;border-width:0 0 1px 4px;border-style:solid solid dashed;border-bottom-color:rgb(85,201,234);border-left-color:rgb(85,201,234);font-size:16.8px;font-weight:bold;margin:2em 8px 0.75em 0;text-align:left;line-height:1.2;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;padding-left:12px;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 15.12px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nmap</span></code><span>命令使用步骤</span></h3><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>1. 安装</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nmap</span></code><span>：</span></div></li></ol><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><span>在大部分Linux系统中，可以使用以下命令安装：</span></p><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));color: rgb(255, 166, 87);\\\"><span>sudo</span></span><span> apt-get install nmap  </span><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));color: rgb(139, 148, 158);\\\"><span># Debian/Ubuntu 系统</span></span><br style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));\\\"/><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));color: rgb(255, 166, 87);\\\"><span>sudo</span></span><span> yum install nmap      </span><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));color: rgb(139, 148, 158);\\\"><span># CentOS/RHEL 系统</span></span></div></pre><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>2. 使用</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nmap</span></code><span>进行端口扫描：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nmap &lt;远程IP地址&gt;</span></div></pre><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>3. 例如，检查</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>192.168.3.110</span></code><span>的开放端口：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nmap 192.168.3.110</span></div></pre><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><span>结果可能会显示如下：</span></p><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/83aa52fd2f4c4afebec4ce9cd15f4f7c\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>4. 如果你只关心某些特定端口，也可以指定端口范围进行扫描：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nmap -p 22,80,443 192.168.3.110</span></div></pre><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/26188b1590ad4320be348642892d5e93\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><h3 style=\\\"box-sizing:border-box;border-width:0 0 1px 4px;border-style:solid solid dashed;border-bottom-color:rgb(85,201,234);border-left-color:rgb(85,201,234);font-size:16.8px;font-weight:bold;margin:2em 8px 0.75em 0;text-align:left;line-height:1.2;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;padding-left:12px;color:rgb(63,63,63)\\\"><span>高级使用：操作系统探测</span></h3><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>nmap</span></code><span>还支持操作系统的识别功能，可以帮助你判断远程主机的操作系统版本：</span></p><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>nmap -O 192.168.3.110</span></div></pre><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/2bad09b09d9042ccb1b9da00baad5033\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><ul style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 优点：功能强大，支持多种高级功能，如操作系统检测、版本识别等。可以扫描多个端口，非常适合网络管理员和安全审计人员使用。</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 缺点：对于新手来说，命令较为复杂，且如果扫描范围过大，可能会造成网络带宽压力。</span></div></li></ul><h2 style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));font-size:18.2px;font-weight:bold;margin:4em auto 2em;text-align:center;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;display:table;padding:0.3em 1em;color:rgb(255,255,255);background:rgb(85,201,234);border-radius:8px;box-shadow:rgba(0,0,0,0.1) 0 4px 6px\\\"><span>常用方法四：使用</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 16.38px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>ss</span></code><span>命令查看本地端口</span></h2><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><span>在你拥有远程Linux主机的访问权限时，可以通过</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>ss</span></code><span>命令查看本机的开放端口。</span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>ss</span></code><span> 是一个替代 </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>netstat</span></code><span> 的工具，通常速度更快，提供更精确的信息。</span></p><h3 style=\\\"box-sizing:border-box;border-width:0 0 1px 4px;border-style:solid solid dashed;border-bottom-color:rgb(85,201,234);border-left-color:rgb(85,201,234);font-size:16.8px;font-weight:bold;margin:2em 8px 0.75em 0;text-align:left;line-height:1.2;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;padding-left:12px;color:rgb(63,63,63)\\\"><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 15.12px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>ss</span></code><span>命令使用步骤</span></h3><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>1. 通过SSH登录远程系统后，使用以下命令查看开放的端口：</span></div></li></ol><pre style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 14px;margin: 10px 8px;color: rgb(201, 209, 217);background: rgb(13, 17, 23);text-align: left;line-height: 1.5;overflow-x: auto;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 10px inset;padding: 0px !important;\\\"><span style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: flex;padding: 10px 14px 0px;\\\"><span><span></span><span></span><span></span></span></span><div style=\\\"--en-codeblock:true;--en-meta:{&quot;title&quot;:&quot;&quot;,&quot;lang&quot;:&quot;Plain Text&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;showLine&quot;:true,&quot;lineWrap&quot;:true};box-sizing: border-box; padding: 8px; font-family: Monaco, Menlo, Consolas, &quot;Courier New&quot;, monospace; font-size: 12px; color: rgb(51, 51, 51); border-top-left-radius: 4px; border-top-right-radius: 4px; border-bottom-right-radius: 4px; border-bottom-left-radius: 4px; background-color: rgb(251, 250, 248); border: 1px solid rgba(0, 0, 0, 0.14902); background-position: initial initial; background-repeat: initial initial; margin-top: 6px;\\\"><span>ss -tuln</span></div></pre><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:1.5em 8px;text-align:justify;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;letter-spacing:0.1em;color:rgb(63,63,63)\\\"><span>其中：</span></p><ul style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>-t</span></code><span>表示TCP连接</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>-u</span></code><span>表示UDP连接</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>-l</span></code><span>表示显示监听中的端口</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• </span><code style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-feature-settings: normal;font-variation-settings: normal;font-size: 12.6px;text-align: left;line-height: 1.75;color: rgb(221, 17, 68);background: rgba(27, 31, 35, 0.05);padding: 3px 5px;border-radius: 4px;\\\"><span>-n</span></code><span>表示不解析域名</span></div></li></ul><ol style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>2. 输出会显示类似以下的内容：</span></div></li></ol><div style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));margin: 1.5em 8px;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;color: rgb(63, 63, 63);\\\"><span><img src=\\\":/b5c8b99345854f38880baf2d29b2c7c0\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));display: block;vertical-align: middle;max-width: 100%;height: auto;text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, \\\"Helvetica Neue\\\", \\\"PingFang SC\\\", \\\"Hiragino Sans GB\\\", \\\"Microsoft YaHei UI\\\", \\\"Microsoft YaHei\\\", Arial, sans-serif;font-size: 14px;margin: 0.1em auto 0.5em;border-radius: 8px;box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 8px;\\\" title=\\\"null\\\"/></span></div><ul style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));list-style:none;margin:0;padding:0 0 0 1.5em;text-align:left;line-height:1.75;font-family:-apple-system-font,BlinkMacSystemFont,&quot;Helvetica Neue&quot;,&quot;PingFang SC&quot;,&quot;Hiragino Sans GB&quot;,&quot;Microsoft YaHei UI&quot;,&quot;Microsoft YaHei&quot;,Arial,sans-serif;font-size:14px;color:rgb(63,63,63)\\\"><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 优点：无需额外安装工具，内置于大多数Linux发行版。非常快速，适合检查本机的开放端口。</span></div></li><li style=\\\"box-sizing: border-box;border-width: 0px;border-style: solid;border-color: hsl(var(--border));text-align: left;line-height: 1.75;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 14px;text-indent: -1em;display: block;margin: 0.5em 8px;color: rgb(63, 63, 63);\\\"><div><span>• 缺点：仅适用于本机端口检查，不能用于远程系统。</span></div></li></ul></div><p style=\\\"box-sizing:border-box;border-width:0;border-style:solid;border-color:hsl(var(--border));margin:0;color:rgb(10,10,10);font-family:ui-sans-serif,system-ui,sans-serif,&quot;Apple Color Emoji&quot;,&quot;Segoe UI Emoji&quot;,&quot;Segoe UI Symbol&quot;,&quot;Noto Color Emoji&quot;;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:start;text-indent:0;text-transform:none;widows:2;word-spacing:0;-webkit-text-stroke-width:0;white-space:normal;background-color:rgb(255,255,255);text-decoration-thickness:initial;text-decoration-style:initial;text-decoration-color:initial;font-size:0;line-height:0\\\"><span> </span></p><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;text-align: center;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;font-size: 18px;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;color: rgb(0, 128, 255);\\\"><span><br/></span></span></strong></span></div><p style=\\\"margin:0;text-align:center\\\"><span><img src=\\\":/c03176fa0de247aaa3a904f7266224fa\\\" type=\\\"image/gif\\\" data-filename=\\\"640.gif\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;\\\"/></span></p><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;text-align: center;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;font-size: 18px;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;color: rgb(0, 128, 255);\\\"><span><br/></span></span></strong></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;text-align: center;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;font-size: 18px;color: rgb(61, 170, 214);\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;\\\"><span>大事！运维漫谈-技术交流群对外开放！</span></strong></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;text-align: center;\\\"><span><br/></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;text-align: center;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;color: rgb(0, 0, 0);font-size: 15px;\\\"><span>扫码可添加小编微信，</span><strong style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;\\\"><span>申请进</span></strong></span><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;color: rgb(0, 0, 0);font-size: 15px;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;\\\"><span>群</span></strong></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;text-align: start;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;\\\"><span><br/></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;text-align: center;\\\"><span><img src=\\\":/623345ec95e94217a90273fbd25bca3b\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;-webkit-tap-highlight-color: transparent;outline: 0px;width: 158px;__visibility: visible !important;height: 158px;\\\"/></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;margin-right: 16px;margin-bottom: 0px;margin-left: 16px;outline: 0px;font-family: 微软雅黑;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(51, 51, 51);text-wrap: wrap;background-color: rgb(255, 255, 255);font-variant-numeric: normal;font-variant-east-asian: normal;color: rgb(127, 127, 127);letter-spacing: 0.54px;text-align: center;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;outline: 0px;color: rgb(136, 136, 136);font-size: 12px;\\\"><span>▲长按加群</span></span></div><div><span></span></div><p style=\\\"margin:0;margin-top:0.8em;margin-bottom:0.8em;padding-top:8px;padding-bottom:8px;max-width:100%;line-height:1.75;overflow-wrap:break-word !important;box-sizing:border-box !important\\\"><span><br/></span></p></div><p style=\\\"margin:0;margin-bottom:0;max-width:100%;white-space:normal;overflow-wrap:break-word !important;box-sizing:border-box !important\\\"><span><img src=\\\":/24e87bc88f3a4a0198d6a5138436a736\\\" type=\\\"image/gif\\\" data-filename=\\\"640.gif\\\" style=\\\"--en-marks:%7B%22align%22%3A%22center%22%7D;overflow-wrap: break-word !important;\\\"/></span></p><div><span><br/></span></div></div></div></div></div></div></span>\\\n</div></body></html>\\u0000\"]],\"start1\":0,\"start2\":0,\"length1\":0,\"length2\":85495}]"
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encryption_cipher_text: 
encryption_applied: 0
updated_time: 2025-11-28T21:04:33.516Z
created_time: 2025-11-28T21:04:33.516Z
type_: 13