https://paper.nuaa.dpdns.org/keywords/detour/ Recent content in Detour on 冇记 https://paper.nuaa.dpdns.org/images/cover.png https://paper.nuaa.dpdns.org/images/cover.png Hugo zh 冇文化 · 冇记 Fri, 03 Apr 2026 20:56:18 +0000 https://paper.nuaa.dpdns.org/blog-paper/03-network/proxy/sing-box/2026-04-03-sing-box%E7%9A%84dns%E4%B8%8Eroute%E7%AE%80%E5%8C%96%E6%96%87%E5%AD%97%E7%89%88%E6%9C%AC/ Fri, 03 Apr 2026 20:56:18 +0000 https://paper.nuaa.dpdns.org/blog-paper/03-network/proxy/sing-box/2026-04-03-sing-box%E7%9A%84dns%E4%B8%8Eroute%E7%AE%80%E5%8C%96%E6%96%87%E5%AD%97%E7%89%88%E6%9C%AC/ <h2 id="-一先建立分层模型">🧠 一、先建立“分层模型”</h2> <p>分成 <strong>3 层系统</strong>：</p> <hr> <h3 id="-第1层dns-解析层只负责把域名变成ip">🟦 第1层：DNS 解析层（只负责“把域名变成IP”）</h3> <ul> <li><code>dns.rules[]</code></li> <li><code>dns.servers[].detour</code></li> <li><code>dns.servers[].domain_resolver</code></li> <li><code>dns.final</code></li> </ul> <hr> <h3 id="-第2层连接决策层决定流量走哪条路">🟩 第2层：连接决策层（决定“流量走哪条路”）</h3> <ul> <li><code>route.rules[]</code></li> <li><code>route.final</code></li> </ul> <hr> <h3 id="-第3层拨号执行层真正连出去">🟥 第3层：拨号执行层（真正“连出去”）</h3> <ul> <li><code>outbounds[].detour</code></li> <li><code>outbounds[].domain_resolver</code></li> <li><code>route.default_domain_resolver</code></li> </ul> <hr> <p>👉 一句话理解：</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">DNS层：查地址 </span></span><span class="line"><span class="cl">Route层：选路径 </span></span><span class="line"><span class="cl">Outbound层：怎么走 </span></span></code></pre></div><hr> <h2 id="-二最核心一条链路把所有东西串起来">🔥 二、最核心一条链路（把所有东西串起来）</h2> <p>我们用一个完整例子👇</p> <hr> <h3 id="-场景">🎯 场景</h3> <p>访问：</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">youtube.com </span></span></code></pre></div><hr> <h4 id="-step-1dns-查询进入-dnsrules">🧩 STEP 1️⃣：DNS 查询（进入 dns.rules）</h4> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">请求：youtube.com </span></span></code></pre></div><hr> <h5 id="-匹配">👉 匹配</h5> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="err">dns.rules</span> <span class="err">→</span> <span class="err">server</span> <span class="err">=</span> <span class="err">remote_dns</span> </span></span></code></pre></div><hr> <h4 id="-step-2处理-dns-server-自身">🧩 STEP 2️⃣：处理 DNS server 自身</h4> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="err">remote_dns</span> <span class="err">=</span> <span class="err">cloudflare-dns.com</span> </span></span></code></pre></div><hr> <h5 id="-用">👉 用</h5> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="err">dns.servers</span><span class="p">[]</span><span class="err">.domain_resolver</span> </span></span></code></pre></div><p>优先级：</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">dns.servers[].domain_resolver </span></span><span class="line"><span class="cl"> &gt; </span></span><span class="line"><span class="cl">route.default_domain_resolver </span></span></code></pre></div><hr> <p>👉 得到：</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">cloudflare-dns.com → IP </span></span></code></pre></div><hr> <h4 id="-step-3dns-查询如何发出去">🧩 STEP 3️⃣：DNS 查询如何发出去？</h4> <p>👉 用：</p> https://paper.nuaa.dpdns.org/blog-paper/03-network/proxy/sing-box/2026-04-03-sing-box%E7%9A%84dns%E4%B8%8Eroute/ Fri, 03 Apr 2026 19:09:03 +0000 https://paper.nuaa.dpdns.org/blog-paper/03-network/proxy/sing-box/2026-04-03-sing-box%E7%9A%84dns%E4%B8%8Eroute/ 描述DNS查询流量与访问实际流量的设置，理清多个易错