隐藏响应的server,X-Powered-By

 **隐藏X-Powered-By** ------------------ 修改 php.ini 文件 设置 expose\_php = Off **apache 隐藏 server** -------------------- 修改httpd.conf 设置 ServerSignature Off ServerTokens Prod **nginx 隐藏 server** ------------------- 修改nginx.conf 在http里面设置 server\_tokens off;