域名跳轉總結
當我們變更網站域名,或者申請多個域名指向一個網站的時候,這個時候我們就會用到域名跳轉(或者叫域名重定向redirect、域名轉向)。
域名跳轉試驗
[root@chy ~]# vim /usr/local/apache2.4/conf/extra/httpd-vhosts.conf
<VirtualHost *:80>
DocumentRoot "/data/wwwroot/111.com"
ServerName www.111.com
ServerAlias www.exaple.com
#<Directory /data/wwwroot/111.com>
#<filesMatch 123.php>
#AllowOverride AuthConfig
#AuthName "111.com user auth"
#AuthType Basic
# AuthUserFile /data/.htpasswd
# require valid-user
# </FilesMatch>
#</Directory>
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{HTTP_HOST} !^www.123.com$
RewriteRule ^/(.*)$ http://www.123.com/$1 [R=301,L]
</IfModule>
#ErrorLog "logs/dummy-host2.example.com-error_log"
#CustomLog "logs/dummy-host2.example.com-access_log" common
</VirtualHost>
(以上是配置,以下是具體的配置說明:
<IfModule mod_rewrite.c> //需要mod_rewrite模塊支持
RewriteEngine on //打開rewrite功能
RewriteCond %{HTTP_HOST} !^www.111.com$ //定義rewrite的條件,主機名(域名)不是www.111.com滿足條件
RewriteRule ^/(.*)$ http://www.111.com/$1 [R=301,L] //定義rewrite規則,當滿足上面的條件時,這條規則纔會執行,其中301是永久跳轉,302是隻跳轉一次。L的意思是跳轉一次後就結束
</IfModule>
[root@chy ~]# /usr/local/apache2.4/bin/apachectl -M |grep rewrite
(查看是否加載了模塊)
[root@chy ~]# vi /usr/local/apache2.4/conf/httpd.conf
LoadModule rewrite_module modules/mod_rewrite.so
(在主配置文件裏面找到rewrite_module模塊將#號去掉,然後在查看是否有模塊)
[root@chy ~]# curl -x127.0.0.1:80 222.com -I
HTTP/1.1 301 Moved Permanently
Date: Sun, 30 Jul 2017 23:17:17 GMT
Server: Apache/2.4.27 (Unix) PHP/7.1.6
Location: http://111.com/
Content-Type: text/html; charset=iso-8859-1
(測試域名跳轉成功)
以上測試是在centos7系統下完成