https://souljian.cn/tags/cache-control/Recent content in Cache-Control on SoulJian小站Hugo -- gohugo.ioen-usSun, 30 Aug 2026 10:00:00 +0800https://souljian.cn/p/751088233/Sat, 29 Aug 2026 14:00:00 +0800https://souljian.cn/p/751088233/<h2 id="写在前面合法学习边界">写在前面：合法学习边界 </h2><p>本文讲 HTTP 缓存基础，不涉及攻击。</p> <h2 id="一http-缓存">一、HTTP 缓存 </h2><img src="https://souljian.cn/img/osi-tcp-model.svg" alt="HTTP 缓存" /> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </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">强缓存（Cache-Control/Expires）· 协商缓存（ETag/Last-Modified） </span></span></code></pre></td></tr></table> </div> </div><h2 id="二cache-control-指令">二、Cache-Control 指令 </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></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">public/private/no-cache/no-store/must-revalidate/max-age </span></span></code></pre></td></tr></table> </div> </div><h2 id="三小结">三、小结 </h2><p>HTTP 缓存的核心是<strong>强缓存 + 协商缓存</strong>。<strong>Cache-Control</strong> 是现代缓存控制的标准。</p>