根據頭部資訊http header控制nginx選擇反向代理伺服器

http://www.111cn.net/sys/nginx/68133.htm

好吧。本來想多寫點的，現在沒時間，太監了。

說下核心：用戶端自定義的http header，在nginx的配置檔案裡能直接讀取到。

條件：header必須用減号“-”分隔單詞，nginx裡面會轉換為對應的下劃線“_”連接配接的小寫單詞。

nginx配置：

代碼如下	複制代碼
location / {   if ($http_my_custom_header ~ (d+) ) {      rewrite / http://www.111cn.net/ last;   }  }

測試：

代碼如下

複制代碼

wget --header="my-custom-header:1" -d http://www.111cn.net DEBUG output created by Wget 1.13.4 on linux-gnu. URI encoding = `UTF-8' --2014-04-28 09:48:40--  http://www.111cn.net/ Resolving www.111cn.net (www.111cn.net)... 172.31.30.70 Caching www.111cn.net => 172.31.30.70 Connecting to www.111cn.net |172.31.30.70|:80... connected. Created socket 3. Releasing 0x084e3e18 (new refcount 1). ---request begin--- GET / HTTP/1.1 User-Agent: Wget/1.13.4 (linux-gnu) Accept: */* Host: www.111cn.net Connection: Keep-Alive my-custom-header: 1 ---request end--- HTTP request sent, awaiting response...  ---response begin--- HTTP/1.1 302 Moved Temporarily Server: nginx/1.1.19 Date: Mon, 28 Apr 2014 09:48:40 GMT Content-Type: text/html Content-Length: 161 Connection: keep-alive Location: http://www.111cn.net