https://souljian.cn/tags/dora/Recent content in DORA on SoulJian小站Hugo -- gohugo.ioen-usSun, 30 Aug 2026 10:00:00 +0800https://souljian.cn/p/751088232/Sat, 29 Aug 2026 14:00:00 +0800https://souljian.cn/p/751088232/<h2 id="写在前面合法学习边界">写在前面：合法学习边界 </h2><p>DHCP 测试只在授权网络环境进行。</p> <h2 id="一dhcp-协议">一、DHCP 协议 </h2><img src="https://souljian.cn/img/osi-tcp-model.svg" alt="DHCP 协议" /> <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">DORA：Discover → Offer → Request → Acknowledge </span></span></code></pre></td></tr></table> </div> </div><h2 id="二dhcp-攻击">二、DHCP 攻击 </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">DHCP 耗尽攻击 · DHCP 欺骗（伪 DHCP 服务器） </span></span></code></pre></td></tr></table> </div> </div><h2 id="三防御加固">三、防御加固 </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">DHCP Snooping · 端口安全 · DHCP 限速 </span></span></code></pre></td></tr></table> </div> </div><h2 id="四小结">四、小结 </h2><p>DHCP 是网络自动化的基础协议。防御核心是<strong>DHCP Snooping + 端口安全</strong>。</p>