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通过服务器的head头可以得到服务器的很多信息，这给服务器安全带来很大隐患，如：

curl -I https://www.haiyun.me
HTTP/1.1 301 Moved Permanently
Server: nginx/1.0.15
Date: Fri, 10 Feb 2012 10:43:42 GMT
Content-Type: text/html
Connection: keep-alive
X-Powered-By: PHP/5.2.17p1
location: forum.php

Nginx可以编译添加第三方模块more_set_headers来自定义或清除相关head信息。

cd /usr/local/src/
wget http://nginx.org/download/nginx-1.0.15.tar.gz
tar zxvf nginx-1.0.15.tar.gz
cd nginx-1.0.15
wget -O header.zip --no-check-certificate https://github.com/agentzh/headers-more-nginx-module/zipball/v0.17rc1
unzip header.zip 
./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-\
http_ssl_module --with-http_gzip_static_module --add-module=./agentzh-headers-more-nginx-module-3580526/
make && make install

应用示例，清除服务器及php信息，在配置文件http段添加以下：

more_clear_headers "X-Powered-By:";
more_clear_headers "Server:";

重新加载配置文件：

/etc/init.d/nginx reload

查看当前head头信息：

curl -I https://www.haiyun.me
HTTP/1.1 301 Moved Permanently
Date: Fri, 10 Feb 2012 10:58:38 GMT
Content-Type: text/html
Connection: keep-alive
location: forum.php

现在nginx及php信息都没了，当然也可自定义为其它信息。

标签：nginx, linux, header, nginx自定义head