Apache Rewrite module rewrite function activation and detection implementation

Different Apache versions and operating systems often have different configuration file naming and configuration management methods. For example, the installation directory may be httpd or apache2, and the configuration file names and loading module methods are also often different. Perhaps for the official Apache There are rules, but after all, most of our users are not network administrators. They spend all day configuring apache and looking for information as they are used. Generally, if the paths of the two files are incorrect, it will often cause a big problem. Into the title.

The default Rewrite function of Apache is disabled, but its Rewrite module is loaded. Therefore, we should not just be busy writing .htaccess files, which will always not take effect. First, check whether our apache has recognized our .htacess.

1. Check and confirm that the Rewrite module is loaded

The test of this article was on the CentOS 6 system, the path is: /etc/httpd/conf/httpd.conf

LoadModule rewrite_module modules/mod_rewrite.so

If there is a comment in front, just remove it and restart APACHE.
If you use the system’s own commands to install, such as yum install or apt-get install, you cannot find the line

LoadModule rewrite_module modules/mod_rewrite.so

in httpd.conf/apache2.conf. You can refer to the following settings to load the Rewrite module:

In the terminal After executing the

sudo a2enmod rewrite

command, the Mod_rewrite module is enabled.

Also, you can also turn on the Mod_rewrite module by connecting /etc/apache2/mods-available/rewrite.load to /etc/apache2/mods-enabled/rewrite.load. The command operation is:

sudo ln -s /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-enabled/rewrite.load

2. Check and confirm that the directory Rewrite is turned on

Loading the Rewrite library does not mean that our .htaccess file will take effect. We also need to specifically turn on the AllowOveride switch of the specified directory. The script is as follows:

<Directory /var/www/>
    Options Indexes FollowSymLinks
    AllowOverride All
    Order allow,deny
    Allow from all
</Directory>

Among them, AllowOverride only It can be defined in the Directory Section. For specific usage, please refer to the official apache instructions (link below). The above script is generally placed under httpd.conf or /etc/httpd/conf.d/vhost.conf. Try to configure the website as much as possible:

....

are defined together for easy maintenance.

3. Test the Rewrite function

The following is a .htaccess test example:

# BEGIN
<IfModule mod_rewrite.c>
    RewriteEngine  on
    RewriteBase /
    RewriteRule .*$ 
</IfModule>
#END

Test method, copy and save as .htaccess, upload to the root directory of the website, access any path page of the website, it will jump to this blog, explain Rewrite has taken effect.

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