隱藏響應的server,X-Powered-By

隱藏X-Powered-By

修改 php.ini 文件 設置 expose_php = Off

apache 隱藏 server

修改httpd.conf 設置 

ServerSignature Off

ServerTokens Prod

nginx 隱藏 server

修改nginx.conf  在http裏面設置 

server_tokens off;