Available Apache Modules

For Linux Hosting and Managed Server packages

In this article, we give you an overview of the modules of the Apache web server that you can use on your Linux hosting package or Managed Server.

The modules are configured via .htaccess directives in a .htaccess file.

The following modules are available (the module names are linked to the appropriate sections of the web server documentation).

Available Apache Modules

Module	Description	Comments
mod_actions	allows execution of CGI scripts depending on media types and request methods.	Conditional AddHandler
mod_alias	Enables http forwarding and directory mapping.
mod_auth_basic	User authorization via.txt files	Keyword.htpasswd
mod_authn_file	Handling authorization files	Example: htpasswd -c foobar
mod_authz_groupfile	Authorization of user groups	Keyword.htgroup
mod_authz_host	Makes it possible to restrict access to certain hosts (addresses). keyword: .htaccess Allow from, Deny from etc.
mod_authz_user	Enables user authorization	keyword, valid user
mod_autoindex	Creates directory indexes	Example: DirectoryIndex IndexOptions et al.
mod_deflate	Compresses content before it is sent to the browser. Only available for managed servers, keyword: Add OutputFilterByType et al
mod_dir	Enables the evaluation of URLs with final / and the creation of directory indexes.
mod_env Allows you to change the environment passed to CGI or SSI scripts.
mod_expires	Generate expire headers and HTTP cache control headers according to user specifications.
mod_headers	Configuration of HTTP headers	Keyword: Header set MyHeader "It took %D to serve this request."
mod_include	Permits server-side parsing of HTML files.
mod_mime	allows different behavior of the web server due to file extensions.
mod_negotiation	Selection of contents
mod_rewrite	Rewrite URLs. keyword: RewriteEngine on et al
mod_setenvif	Allows you to customize environment variables depending on query characteristics.	Keyword: BrowserMatchNoCase Robot is_a_robot
mod_speling	If the module is activated, the web server tries to resolve wrongly written URLs (e.g. upper and lower case) correctly.

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