Module Index

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

• Core Features and Multi-Processing Modules
• Other Modules

See also

• Multi-Processing Modules (MPMs)
• Directive Quick Reference

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)

event

A variant of the worker MPM with the goal of consuming threads only for connections with active processing

mpm_netware

Multi-Processing Module implementing an exclusively threaded web server optimized for Novell NetWare

mpmt_os2

Hybrid multi-process, multi-threaded MPM for OS/2

prefork

Implements a non-threaded, pre-forking web server

mpm_winnt

Multi-Processing Module optimized for Windows NT.

worker

Multi-Processing Module implementing a hybrid multi-threaded multi-process web server

Other Modules

 A  |  B  |  C  |  D  |  E  |  F  |  H  |  I  |  L  |  M  |  N  |  P  |  R  |  S  |  U  |  V  |  W  |  X 

mod_access_compat

Group authorizations based on host (name or IP address)

mod_actions

Execute 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_allowmethods

Easily restrict what HTTP methods can be used on the server

mod_asis

Sends files that contain their own HTTP headers

mod_auth_basic

Basic HTTP authentication

mod_auth_digest

User authentication using MD5 Digest Authentication

mod_auth_form

Form authentication

mod_authn_anon

Allows "anonymous" user access to authenticated areas

mod_authn_core

Core Authentication

mod_authn_dbd

User authentication using an SQL database

mod_authn_dbm

User authentication using DBM files

mod_authn_file

User authentication using text files

mod_authn_socache

Manages a cache of authentication credentials to relieve the load on backends

mod_authnz_fcgi

Allows a FastCGI authorizer application to handle Apache httpd authentication and authorization

mod_authnz_ldap

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

mod_authz_core

Core Authorization

mod_authz_dbd

Group Authorization and Login using SQL

mod_authz_dbm

Group authorization using DBM files

mod_authz_groupfile

Group authorization using plaintext files

mod_authz_host

Group authorizations based on host (name or IP address)

mod_authz_owner

Authorization based on file ownership

mod_authz_user

User Authorization

mod_autoindex

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

mod_brotli

Compress content via Brotli before it is delivered to the client

mod_buffer

Support for request buffering

mod_cache

RFC 2616 compliant HTTP caching filter.

mod_cache_disk

Disk based storage module for the HTTP caching filter.

mod_cache_socache

Shared object cache (socache) based storage module for the HTTP caching filter.

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_data

Convert response body into an RFC2397 data URL

mod_dav

Distributed Authoring and Versioning (WebDAV) functionality

mod_dav_fs

Filesystem provider for mod_dav

mod_dav_lock

Generic locking module for mod_dav

mod_dbd

Manages SQL database connections

mod_deflate

Compress content before it is delivered to the client

mod_dialup

Send static content at a bandwidth rate limit, defined by the various old modem standards

mod_dir

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

mod_dumpio

Dumps all I/O to error log as desired.

mod_echo

A simple echo server to illustrate protocol modules

mod_env

Modifies the environment which is passed to CGI scripts and SSI pages

mod_example_hooks

Illustrates the Apache module API

mod_expires

Generation of Expires and Cache-Control HTTP headers according to user-specified criteria

mod_ext_filter

Pass the response body through an external program before delivery to the client

mod_file_cache

Caches a static list of files in memory

mod_filter

Context-sensitive smart filter configuration module

mod_headers

Customization of HTTP request and response headers

mod_heartbeat

Sends messages with server status to frontend proxy

mod_heartmonitor

Centralized monitor for mod_heartbeat origin servers

mod_http2

Support for the HTTP/2 transport layer

mod_ident

RFC 1413 ident lookups

mod_imagemap

Server-side imagemap processing

mod_include

Server-parsed html documents (Server Side Includes)

mod_info

Provides a comprehensive overview of the server configuration

mod_isapi

ISAPI Extensions within Apache for Windows

mod_lbmethod_bybusyness

Pending Request Counting load balancer scheduler algorithm for mod_proxy_balancer

mod_lbmethod_byrequests

Request Counting load balancer scheduler algorithm for mod_proxy_balancer

mod_lbmethod_bytraffic

Weighted Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer

mod_lbmethod_heartbeat

Heartbeat Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer

mod_ldap

LDAP connection pooling and result caching services for use by other LDAP modules

mod_log_config

Logging of the requests made to the server

mod_log_debug

Additional configurable debug logging

mod_log_forensic

Forensic Logging of the requests made to the server

mod_logio

Logging of input and output bytes per request

mod_lua

Provides Lua hooks into various portions of the httpd request processing

mod_macro

Provides macros within apache httpd runtime configuration files

mod_md

Managing domains across virtual hosts, certificate provisioning via the ACME protocol

mod_mime

Associates the requested filename's extensions with the file's behavior (handlers and filters) and content (mime-type, language, character set and encoding)

mod_mime_magic

Determines the MIME type of a file by looking at a few bytes of its contents

mod_negotiation

Provides for content negotiation

mod_nw_ssl

Enable SSL encryption for NetWare

mod_privileges

Support for Solaris privileges and for running virtual hosts under different user IDs.

mod_proxy

Multi-protocol proxy/gateway server

mod_proxy_ajp

AJP support module for mod_proxy

mod_proxy_balancer

mod_proxy extension for load balancing

mod_proxy_connect

mod_proxy extension for CONNECT request handling

mod_proxy_express

Dynamic mass reverse proxy extension for mod_proxy

mod_proxy_fcgi

FastCGI support module for mod_proxy

mod_proxy_fdpass

fdpass external process support module for mod_proxy

mod_proxy_ftp

FTP support module for mod_proxy

mod_proxy_hcheck

Dynamic health check of Balancer members (workers) for mod_proxy

mod_proxy_html

Rewrite HTML links in to ensure they are addressable from Clients' networks in a proxy context.

mod_proxy_http

HTTP support module for mod_proxy

mod_proxy_http2

HTTP/2 support module for mod_proxy

mod_proxy_scgi

SCGI gateway module for mod_proxy

mod_proxy_uwsgi

UWSGI gateway module for mod_proxy

mod_proxy_wstunnel

Websockets support module for mod_proxy

mod_ratelimit

Bandwidth Rate Limiting for Clients

mod_reflector

Reflect a request body as a response via the output filter stack.

mod_remoteip

Replaces the original client IP address for the connection with the useragent IP address list presented by a proxies or a load balancer via the request headers.

mod_reqtimeout

Set timeout and minimum data rate for receiving requests

mod_request

Filters to handle and make available HTTP request bodies

mod_rewrite

Provides a rule-based rewriting engine to rewrite requested URLs on the fly

mod_sed

Filter Input (request) and Output (response) content using sed syntax

mod_session

Session support

mod_session_cookie

Cookie based session support

mod_session_crypto

Session encryption support

mod_session_dbd

DBD/SQL based session support

mod_setenvif

Allows the setting of environment variables based on characteristics of the request

mod_slotmem_plain

Slot-based shared memory provider.

mod_slotmem_shm

Slot-based shared memory provider.

mod_so

Loading of executable code and modules into the server at start-up or restart time

mod_socache_dbm

DBM based shared object cache provider.

mod_socache_dc

Distcache based shared object cache provider.

mod_socache_memcache

Memcache based shared object cache provider.

mod_socache_redis

Redis based shared object cache provider.

mod_socache_shmcb

shmcb based shared object cache provider.

mod_speling

Attempts to correct mistaken URLs by ignoring capitalization, or attempting to correct various minor misspellings.

mod_ssl

Strong cryptography using the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols

mod_status

Provides information on server activity and performance

mod_substitute

Perform search and replace operations on response bodies

mod_suexec

Allows CGI scripts to run as a specified user and Group

mod_systemd

Provides better support for systemd integration

mod_unique_id

Provides an environment variable with a unique identifier for each request

mod_unixd

Basic (required) security for Unix-family platforms.

mod_userdir

User-specific directories

mod_usertrack

Clickstream logging of user activity on a site

mod_version

Version dependent configuration

mod_vhost_alias

Provides for dynamically configured mass virtual hosting

mod_watchdog

provides infrastructure for other modules to periodically run tasks

mod_xml2enc

Enhanced charset/internationalisation support for libxml2-based filter modules