https://souljian.cn/tags/%E5%A4%9A%E7%BA%A7%E4%BB%A3%E7%90%86/Recent content in 多级代理 on SoulJian小站Hugo -- gohugo.ioen-usSun, 30 Aug 2026 10:00:00 +0800https://souljian.cn/p/751088157/Sat, 29 Aug 2026 14:00:00 +0800https://souljian.cn/p/751088157/<h2 id="写在前面合法学习边界">写在前面：合法学习边界 </h2><p>内网代理配置只在授权测试环境使用。</p> <h2 id="一内网多级代理拓扑">一、内网多级代理拓扑 </h2><img src="https://souljian.cn/img/multi-proxy-topology.svg" alt="内网多级代理拓扑" /> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">外网 → 跳板机A → 跳板机B → 目标C </span></span><span class="line"><span class="cl">ProxyCommand · frp组网 · ReGeorg · LazyAdmin </span></span></code></pre></td></tr></table> </div> </div><h2 id="二ssh-多重代理">二、SSH 多重代理 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># 一级跳板</span> </span></span><span class="line"><span class="cl">ssh -D <span class="m">1080</span> user@bastion </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># 二级跳板</span> </span></span><span class="line"><span class="cl">ssh -o <span class="nv">ProxyCommand</span><span class="o">=</span><span class="s2">&#34;ssh -W %h:%p user@bastion&#34;</span> user@target </span></span></code></pre></td></tr></table> </div> </div><h2 id="三frp-组网">三、frp 组网 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-ini" data-lang="ini"><span class="line"><span class="cl"><span class="c1"># 每台机器运行 frpc，指向同一 frps</span> </span></span><span class="line"><span class="cl"><span class="c1"># 通过 frp 实现内网机器互相访问</span> </span></span></code></pre></td></tr></table> </div> </div><h2 id="四小结">四、小结 </h2><p>多级代理的核心是<strong>每一级只知道自己上一级和下一级</strong>。SSH ProxyCommand 适合少量跳板，frp 组网适合大规模内网穿透。</p>