使用iptables实现端口转发（中转加速）
<p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">说明：</span>玩vps的经常要用到端口转发用以实现更快的速度，比如手上有个xx商家的vps，本地访问速度很慢，这时候就可以用一个香港或者日本的线路做桥梁，达到更快的速度，这里使用<code style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 12.6px; padding: 2px 4px; color: rgb(199, 37, 78); background-color: rgb(249, 242, 244); border-radius: 4px;">iptables</code>来进行中转的教程包含一键管理脚本和手动配置两种办法。</p><h2 style="font-weight: 700; color: rgb(102, 102, 102); margin-top: 30px; margin-bottom: 10px; font-size: 24px; background-image: linear-gradient(transparent 60%, rgba(189, 202, 219, 0.3) 0px); background-position: initial; background-size: initial; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial; width: auto; font-family: PingFang-SC-Bold, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace !important; line-height: 2 !important; display: inline !important;">通过一键脚本安装</h2><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">通过脚本的方法来安装也是最好上手的。步骤如下：</p><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">1、开启系统的转发功能</span></p><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">请在需要被转发的机器上运行：</p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs properties" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-attr">vi</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">/etc/sysctl.conf</span></code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">将<code style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 12.6px; padding: 2px 4px; color: rgb(199, 37, 78); background-color: rgb(249, 242, 244); border-radius: 4px;">net.ipv4.ip_forward=0</code>修改成<code style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 12.6px; padding: 2px 4px; color: rgb(199, 37, 78); background-color: rgb(249, 242, 244); border-radius: 4px;">net.ipv4.ip_forward=1</code><br>编辑后使用命令让配置马上生效</p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs properties" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-attr">sysctl</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span></code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">2、执行脚本安装命令</span></p><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">请在中转的机器上运行：</p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs nginx" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-attribute" style="color: rgb(0, 0, 128);">wget</span> -N --<span class="hljs-literal" style="color: rgb(0, 128, 128);">no</span>-check-certificate https://raw.githubusercontent.com/hugoyue/doubi/master/iptables-pf.sh && chmod +x iptables-pf.sh && bash iptables-pf.sh</code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">将会在终端中显示管理菜单</p><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><a class="light-link" data-fancybox="gallery" no-pjax="" data-type="image" data-caption="iptables-scripts.png" href="https://www.moewah.com/usr/uploads/2019/03/2407486124.png" style="background-color: transparent; cursor: pointer; word-break: break-all; overflow-wrap: break-word; color: rgba(18, 153, 230, 0.91) !important; border-top: none !important; border-right: none !important; border-bottom: 1px dashed rgba(18, 153, 230, 0.91) !important; border-left: none !important; border-image: initial !important;"><img src="https://www.moewah.com/usr/uploads/2019/03/2407486124.png" alt="iptables-scripts.png" title="iptables-scripts.png" class="block" style="border: 0px; vertical-align: middle; display: block; cursor: pointer; margin: 0px auto; border-radius: 5px; transition: all 0.5s ease 0s;"></a></p><figcaption class="post-img-figcaption" style="font-size: 14px; line-height: 14px; text-align: center; color: rgb(142, 135, 135); margin-top: 13px;"><a class="light-link" data-fancybox="gallery" no-pjax="" data-type="image" data-caption="iptables-scripts.png" href="https://www.moewah.com/usr/uploads/2019/03/2407486124.png" style="background-color: transparent; cursor: pointer; word-break: break-all; overflow-wrap: break-word; color: rgba(18, 153, 230, 0.91) !important; border-top: none !important; border-right: none !important; border-bottom: 1px dashed rgba(18, 153, 230, 0.91) !important; border-left: none !important; border-image: initial !important;">iptables-scripts.png</a></figcaption><p></p><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">初次使用前请请务必<span style="font-weight: 700;">执行1</span>. 安装 iptables(不仅仅是安装)。然后再<span style="font-weight: 700;">选择4</span>. 添加 iptables 端口转发后，会提示你依次输入：欲转发IP、欲转发端口、本地监听端口、本地IP、转发类型。</p><h2 style="font-weight: 700; color: rgb(102, 102, 102); margin-top: 30px; margin-bottom: 10px; font-size: 24px; background-image: linear-gradient(transparent 60%, rgba(189, 202, 219, 0.3) 0px); background-position: initial; background-size: initial; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial; width: auto; font-family: PingFang-SC-Bold, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace !important; line-height: 2 !important; display: inline !important;">通过手动配置使用</h2><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">1、开启系统的转发功能</span></p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs properties" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-attr">vi</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">/etc/sysctl.conf</span></code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;">将<code style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 12.6px; padding: 2px 4px; color: rgb(199, 37, 78); background-color: rgb(249, 242, 244); border-radius: 4px;">net.ipv4.ip_forward=0</code>修改成<code style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 12.6px; padding: 2px 4px; color: rgb(199, 37, 78); background-color: rgb(249, 242, 244); border-radius: 4px;">net.ipv4.ip_forward=1</code><br>编辑后使用命令让配置马上生效</p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs properties" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-attr">sysctl</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span></code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">2、iptables的命令</span></p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs less" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-selector-tag" style="font-weight: bold;">iptables</span> <span class="hljs-selector-tag" style="font-weight: bold;">-t</span> <span class="hljs-selector-tag" style="font-weight: bold;">nat</span> <span class="hljs-selector-tag" style="font-weight: bold;">-A</span> <span class="hljs-selector-tag" style="font-weight: bold;">PREROUTING</span> <span class="hljs-selector-tag" style="font-weight: bold;">-p</span> <span class="hljs-selector-tag" style="font-weight: bold;">tcp</span> <span class="hljs-selector-tag" style="font-weight: bold;">--dport</span> <span class="hljs-selector-attr">[端口号]</span> <span class="hljs-selector-tag" style="font-weight: bold;">-j</span> <span class="hljs-selector-tag" style="font-weight: bold;">DNAT</span> <span class="hljs-selector-tag" style="font-weight: bold;">--to-destination</span> <span class="hljs-selector-attr">[目标IP]</span>
<span class="hljs-selector-tag" style="font-weight: bold;">iptables</span> <span class="hljs-selector-tag" style="font-weight: bold;">-t</span> <span class="hljs-selector-tag" style="font-weight: bold;">nat</span> <span class="hljs-selector-tag" style="font-weight: bold;">-A</span> <span class="hljs-selector-tag" style="font-weight: bold;">PREROUTING</span> <span class="hljs-selector-tag" style="font-weight: bold;">-p</span> <span class="hljs-selector-tag" style="font-weight: bold;">udp</span> <span class="hljs-selector-tag" style="font-weight: bold;">--dport</span> <span class="hljs-selector-attr">[端口号]</span> <span class="hljs-selector-tag" style="font-weight: bold;">-j</span> <span class="hljs-selector-tag" style="font-weight: bold;">DNAT</span> <span class="hljs-selector-tag" style="font-weight: bold;">--to-destination</span> <span class="hljs-selector-attr">[目标IP]</span>
<span class="hljs-selector-tag" style="font-weight: bold;">iptables</span> <span class="hljs-selector-tag" style="font-weight: bold;">-t</span> <span class="hljs-selector-tag" style="font-weight: bold;">nat</span> <span class="hljs-selector-tag" style="font-weight: bold;">-A</span> <span class="hljs-selector-tag" style="font-weight: bold;">POSTROUTING</span> <span class="hljs-selector-tag" style="font-weight: bold;">-p</span> <span class="hljs-selector-tag" style="font-weight: bold;">tcp</span> <span class="hljs-selector-tag" style="font-weight: bold;">-d</span> <span class="hljs-selector-attr">[目标IP]</span> <span class="hljs-selector-tag" style="font-weight: bold;">--dport</span> <span class="hljs-selector-attr">[端口号]</span> <span class="hljs-selector-tag" style="font-weight: bold;">-j</span> <span class="hljs-selector-tag" style="font-weight: bold;">SNAT</span> <span class="hljs-selector-tag" style="font-weight: bold;">--to-source</span> <span class="hljs-selector-attr">[本地服务器IP]</span>
<span class="hljs-selector-tag" style="font-weight: bold;">iptables</span> <span class="hljs-selector-tag" style="font-weight: bold;">-t</span> <span class="hljs-selector-tag" style="font-weight: bold;">nat</span> <span class="hljs-selector-tag" style="font-weight: bold;">-A</span> <span class="hljs-selector-tag" style="font-weight: bold;">POSTROUTING</span> <span class="hljs-selector-tag" style="font-weight: bold;">-p</span> <span class="hljs-selector-tag" style="font-weight: bold;">udp</span> <span class="hljs-selector-tag" style="font-weight: bold;">-d</span> <span class="hljs-selector-attr">[目标IP]</span> <span class="hljs-selector-tag" style="font-weight: bold;">--dport</span> <span class="hljs-selector-attr">[端口号]</span> <span class="hljs-selector-tag" style="font-weight: bold;">-j</span> <span class="hljs-selector-tag" style="font-weight: bold;">SNAT</span> <span class="hljs-selector-tag" style="font-weight: bold;">--to-source</span> <span class="hljs-selector-attr">[本地服务器IP]</span></code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">3、重启iptables使配置生效</span></p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs properties" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-attr">service</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">iptables save</span>
<span class="hljs-attr">service</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">iptables restart</span></code></pre><h2 style="font-weight: 700; color: rgb(102, 102, 102); margin-top: 30px; margin-bottom: 10px; font-size: 24px; background-image: linear-gradient(transparent 60%, rgba(189, 202, 219, 0.3) 0px); background-position: initial; background-size: initial; background-repeat: no-repeat; background-attachment: initial; background-origin: initial; background-clip: initial; width: auto; font-family: PingFang-SC-Bold, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace !important; line-height: 2 !important; display: inline !important;">扩展需求</h2><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">1、多端口转发修改方案：</span>(将本地服务器的50000~65535转发至目标IP为1.1.1.1的50000~65535端口)</p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs yaml" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">PREROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">50000</span><span class="hljs-string" style="color: rgb(221, 17, 68);">:65535</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">DNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-destination</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span>
<span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">PREROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">50000</span><span class="hljs-string" style="color: rgb(221, 17, 68);">:65535</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">DNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-destination</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span>
<span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">POSTROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-d</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-string" style="color: rgb(221, 17, 68);">/32</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">50000</span><span class="hljs-string" style="color: rgb(221, 17, 68);">:65535</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">SNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-source</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">[本地服务器IP]</span>
<span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">POSTROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-d</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-string" style="color: rgb(221, 17, 68);">/32</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">50000</span><span class="hljs-string" style="color: rgb(221, 17, 68);">:65535</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">SNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-source</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">[本地服务器IP]</span></code></pre><p style="margin-bottom: 20px; word-break: break-all; font-family: PingFang-SC-Regular, "Source Sans Pro", "Hiragino Sans GB", "Microsoft Yahei", SimSun, Helvetica, Arial, sans-serif, monospace; color: rgb(109, 109, 109); font-size: 14px;"><span style="font-weight: 700;">2、非同端口号修改方案：</span>（使用本地服务器的60000端口来转发目标IP为1.1.1.1的50000端口）</p><pre style="overflow: hidden; font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: 13px; padding: 0px; margin-top: 1.5em; margin-bottom: 1.5em; line-height: 1.42857; color: rgb(51, 51, 51); word-break: break-all; background-color: rgb(245, 245, 245); border: none rgb(222, 229, 231); border-radius: 0px; background-size: 30px, 30px; position: relative;"><code class="hljs yaml" style="font-family: Menlo, Monaco, Consolas, "Courier New", monospace; font-size: inherit; padding: 0.5em; background: rgb(248, 248, 248); border-radius: 0px; white-space: pre; overflow-wrap: normal; display: block; overflow-x: auto; position: relative;"><span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">PREROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">60000</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">DNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-destination</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-string" style="color: rgb(221, 17, 68);">:50000</span>
<span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">PREROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">60000</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">DNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-destination</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-string" style="color: rgb(221, 17, 68);">:50000</span>
<span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">POSTROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-d</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-string" style="color: rgb(221, 17, 68);">/32</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">tcp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">50000</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">SNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-source</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">[本地服务器IP]</span>
<span class="hljs-string" style="color: rgb(221, 17, 68);">-A</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">POSTROUTING</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-d</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">1.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-number" style="color: rgb(0, 128, 128);">.1</span><span class="hljs-string" style="color: rgb(221, 17, 68);">/32</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-p</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-m</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">udp</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--dport</span> <span class="hljs-number" style="color: rgb(0, 128, 128);">50000</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">-j</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">SNAT</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">--to-source</span> <span class="hljs-string" style="color: rgb(221, 17, 68);">[本地服务器IP]</span></code></pre> 可以換現金的博弈遊戲，他們住要分別為線上博弈遊戲和現金娛樂城這兩種
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