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href="/atom.xml" class="dropdown-menu button">RSS</a></div></div></header><cover><div class="cover__logo"><h1>Hans362 's Blog</h1></div><div class="cover__intro"><p>不以物喜，不以己悲</p></div></cover><main><div class="post-list"><div class="post-entry card"><div class="post-entry__header"></div><div class="post-entry__content"><h2 class="post-entry__title">对抗校园网 DNS 污染，我有妙招</h2><p>最近给寝室接入了学校网络信息中心免费提供的 1Gbps 有线网络，这确实是我迄今为止使用过的最奢华的网络环境，尤其是把 WSL 软件源更换成 SJTUG 镜像站后，能够以接近 1Gbps 的速率更新软件包，体验极度舒适。</p><p>然而，某天早上7:30，当我试图打开 Bilibili 时，Chrome 浏览器却提示 <code>DNS_PROBE_FINISHED_NXDOMAIN</code>，手机客户端也加载失败。通过查阅校内论坛，我得知由于某些原因，从2022年5月25日起的每天0点至8点，学校网络信息中心提供的 DNS 服务器会<strong>故意</strong>不返回大部分视频网站（包括但不限于哔哩哔哩、腾讯视频、爱奇艺、优酷、华数TV、抖音、快手）及游戏网站（包括但不限于Steam商店和聊天、Origin、战网、英雄联盟、崩坏）的解析结果，即所谓的 DNS 污染。</p><p>虽然我多数时候没有在0点至8点使用这些网站的需求，但是我并不认可这种行为，所以本文就来谈谈我是如何对抗校园网 DNS 污染的。</p></div><div class="post-entry__meta"><a href="/archives/2022/10/" class="post-meta__date button">2022-10-15</a> <span class="separate-dot"></span> <a href="/categories/%E6%8A%80%E6%9C%AF%E5%90%91/" class="button"><span class="post-meta__cats">技术向</span></a><style>.post-meta__pv{color:var(--t-l);visibility:hidden;opacity:0;transition:.2s}</style><span class="separate-dot"></span> <span class="post-meta__pv"></span></div><a href="/post/how-i-fight-against-campus-dns-pollution/" class="post-entry__link">对抗校园网 DNS 污染，我有妙招</a></div></div></main><footer><p class="footer-copyright">Copyright © 2017 - 2022 <a href="/">Hans362 's Blog</a></p><p>Powered by <a href="https://hexo.io" target="_blank">Hexo</a> | Theme - <a href="https://github.com/ChrAlpha/hexo-theme-cards" target="_blank">Cards</a></p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-8746554831230893" data-ad-slot="6356225601" data-ad-format="auto" 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