Apache Rewrite usage overview

1. Open rewrite

sudo a2enmod rewrite

2. Deactivate rewrite

sudo a2dismod rewrite

3. Server environment variables

The environment variable that Apache provides to the Rewirte module is probably divided into 5 types.

Part I: HTTP headers partial parameters

Parameter name: http_user_agent

Sample reference value: mozilla/5.0 (Windows; U Windows NT 5.1; ZH-CN; rv:1.9.0.8) gecko/2009032609 firefox/3.0.8

Description: Equivalent to PHP server parameters: $_server["Http_user_agent"]

Parameter name: Http_referer

Sample reference value: http://www.test.cn/test.php

Description: Equivalent to PHP server parameters: _server["Http_referer"]

Parameter name: Http_cookie

Sample reference value: ZDEDEBUGGERPRESENT=PHP,PHTML,PHP3

Description: Equivalent to PHP server parameters: $_server["Http_cookie"]

Parameter name: http_forwarded

Sample reference value: If the use of Proxy server will be the IP address of the proxy server, local environment is not easy to test the value.

Description: Equivalent to PHP server parameters: $_server["http_forwarded"]

Parameter name: Http_host

Sample reference value: www.test.com

Description: Equivalent to PHP server parameters: $_server["Http_host"]

Parameter name: http_proxy_connection

Sample reference value: Information about the network connection agent. The same as the http_forwarded parameter. It is not easy to test the value of the environment locally.

Description: PHP does not seem to provide such a server information value. If again, it may be equivalent to: $_server["Http_proxy_connection"]

Parameter name: http_accept

Sample reference value: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Description: Equivalent to PHP server parameters: $_server["Http_accept"]

Part II: Server Internals Partial parameters

Parameter name: Document_root

Sample reference value: c:/webroot/t

Description: Equivalent to PHP server parameters: $_server["Document_root"]

Parameter name: server_admin

Sample reference value: youemailaddress@gmail.com

Description: Equivalent to PHP server parameters: $_server["Server_admin"]

Parameter name: server_name

Sample reference value: www.test.com

Description: Equivalent to PHP server parameters: $_server["SERVER_NAME"]

Parameter name: SERVER_ADDR

Sample reference value: 127.0.0.1

Description: Equivalent to PHP server parameters: $_server["SERVER_ADDR"]

Parameter name: Server_port

Sample reference value: 80

Description: Equivalent to PHP server parameters: $_server["Server_port"]

Parameter name: Server_protocol

Sample reference value: http/1.1

Description: Equivalent to PHP server parameters: $_server["Server_protocol"]