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

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_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_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