Core Features and Multi-Processing Modules

core: Core Apache HTTP Server features that are always available
mpm_common: A collection of directives that are implemented by more than one multi-processing module (MPM)
mpm_netware: Multi-Processing Module implementing an exclusively threaded web server optimized for Novell NetWare
mpm_winnt: This Multi-Processing Module is optimized for Windows NT.
perchild: Multi-Processing Module allowing for daemon processes serving requests to be assigned a variety of different userids
prefork: Implements a non-threaded, pre-forking web server
worker: Multi-Processing Module implementing a hybrid multi-threaded multi-process web server

Other Modules

mod_access

Provides access control based on client hostname, IP address, or other characteristics of the client request.

mod_actions

This module provides for executing CGI scripts based on media type or request method.

mod_alias

Provides for mapping different parts of the host filesystem in the document tree and for URL redirection

mod_asis

Sends files that contain their own HTTP headers

mod_auth

User authentication using text files

mod_auth_anon

Allows "anonymous" user access to authenticated areas

mod_auth_dbm

Provides for user authentication using DBM files

mod_auth_digest

User authentication using MD5 Digest Authentication.

mod_auth_ldap

Allows an LDAP directory to be used to store the database for HTTP Basic authentication.

mod_autoindex

Generates directory indexes, automatically, similar to the Unix ls command or the Win32 dir shell command

mod_cache

Content cache keyed to URIs.

mod_cern_meta

CERN httpd metafile semantics

mod_cgi

Execution of CGI scripts

mod_cgid

Execution of CGI scripts using an external CGI daemon

mod_charset_lite

Specify character set translation or recoding

mod_dav

Distributed Authoring and Versioning (WebDAV) functionality

mod_deflate

Compress content before it is delivered to the client

mod_dir

Provides for "trailing slash" redirects and serving directory index files

mod_echo

A simple echo server to illustrate protocol modules

mod_env

Modifies the environment which is passHTTP/1.1 200 OK Date: Mon, 07 Jul 2025 05:45:48 GMT Server: Apache/2.0.42 (Win32) PHP/5.2.10 Content-Location: index.html.en Vary: negotiate,accept-language,accept-charset TCN: choice Accept-Ranges: bytes Content-Length: 9367 Keep-Alive: timeout=15, max=98 Connection: Keep-Alive Content-Type: text/html; charset=ISO-8859-1 Content-Language: en Module Index - Apache HTTP Server

Apache > HTTP Server > Documentation > Version 2.0

Module Index

Below is a list of all of the modules that come as part of the Apache distribution. See also the complete alphabetical list of all Apache directives.

Core Features and Multi-Processing Modules

core: Core Apache HTTP Server features that are always available
mpm_common: A collection of directives that are implemented by more than one multi-processing module (MPM)
mpm_netware: Multi-Processing Module implementing an exclusively threaded web server optimized for Novell NetWare
mpm_winnt: This Multi-Processing Module is optimized for Windows NT.
perchild: Multi-Processing Module allowing for daemon processes serving requests to be assigned a variety of different userids
prefork: Implements a non-threaded, pre-forking web server
worker: Multi-Processing Module implementing a hybrid multi-threaded multi-process web server

Other Modules

mod_access: Provides access control based on client hostname, IP address, or other characteristics of the client request.
mod_actions: This module provides for exe