. htaccess file (or "Distributed configuration file")

The. htaccess file (or "Distributed Profile") provides a way to configure a directory change by placing a file containing one or more directives in a particular document directory to act on this directory and all its subdirectories. As a user, the commands you can use are limited. The administrator can set it through Apache's allowoverride instructions.

As an overview, the htaccess file is a configuration file in the Apache server that is responsible for the Web page configuration under the relevant directory. Through the htaccess file, you can help us: page 301 redirect, custom 404 error page, change file extension, allow/block specific user or directory access, prohibit directory list, configure default document and other functions.

Unix, Linux, or any version of the Apache Web server is supported. htaccess, but some hosting providers may not allow you to customize your own. htaccess files.

Enable. htaccess, you need to modify httpd.conf, enable allowoverride, and use allowoverride to limit the usage of specific commands. If you need to use a file name other than. htaccess, you can use the Accessfilename directive to change it. For example, if you need to use. config, you can configure it in the server configuration file as follows: Accessfilename. config.

Broadly speaking,. Htaccess can help us implement include: folder password protection, user Auto Redirect, custom error page, change your file extension, block specific IP address of the user, only allow the specific IP address of the user, prohibit directory list, and use other files as index files and other features.