DNS and SOCKS proxy

English

When using SOCKS proxy with Chromium, some DNS requests may go NOT through the proxy. This is caused by DNS prefetching. Quote from the Chromium browser proxy info page:

Note that some traffic such as DNS prefetching will NOT go through the proxy
server. To prevent the browser from doing local DNS resolves try adding this
command line flag:

--host-resolver-rules="MAP * ~NOTFOUND , EXCLUDE 127.0.0.1"

To prevent DNS leaking, you may use the command line flag as described above, with 127.0.0.1 replaced with the IP address of your proxy host. Or you can disable DNS prefetching completely by unchecking the following option in your Chromium settings (under "Show advanced settings..."):

[ ] Predict network actions to improve page load performance

Note: This topic is completely unrelated with this project, but the wiki page is kept here for reference.

中文

在 Chromium 浏览器（以及基于 Chromium 的所有浏览器）中使用 SOCKS 代理时，部分 DNS 请求不会经过服务器发送（英文参考资料）。这是由 DNS 预加载造成的。以下引用 Chromium 浏览器代理信息页面的文字：

Note that some traffic such as DNS prefetching will NOT go through the proxy
server. To prevent the browser from doing local DNS resolves try adding this
command line flag:

--host-resolver-rules="MAP * ~NOTFOUND , EXCLUDE 127.0.0.1"

要防止DNS请求泄露，请使用以上命令行参数（请将 127.0.0.1 替换成您使用的代理主机地址）。或者您也可以在Chromium选项中完全禁止DNS预加载。请在选项的"Show advanced settings..."下方取消选择此选项：

[ ] 预测网络操作，以提高网页加载速度

提示：此主题与本项目完全无关。但请保留此wiki页面以供作为参考。