Module Index - Apache HTTP Server Version 2.4








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Apache HTTP Server Version 2.4



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      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 ModulesSee also

Multi-Processing Modules (MPMs)
  
Directive Quick Reference
  


Core Features and Multi-Processing
            Modules

coreCore Apache HTTP Server features that are always
available
mpm_commonA collection of directives that are implemented by
more than one multi-processing module (MPM)
eventA variant of the worker MPM with the goal
of consuming threads only for connections with active processing
mpm_netwareMulti-Processing Module implementing an exclusively threaded web
    server optimized for Novell NetWare
mpmt_os2Hybrid multi-process, multi-threaded MPM for OS/2
preforkImplements a non-threaded, pre-forking web server
mpm_winntMulti-Processing Module optimized for Windows NT.
workerMulti-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_compatGroup authorizations based on host (name or IP
address)
mod_actionsExecute CGI scripts based on media type or request method.
mod_aliasProvides for mapping different parts of the host
    filesystem in the document tree and for URL redirection
mod_allowmethodsEasily restrict what HTTP methods can be used on the server
mod_asisSends files that contain their own
HTTP headers
mod_auth_basicBasic HTTP authentication
mod_auth_digestUser authentication using MD5
    Digest Authentication
mod_auth_formForm authentication
mod_authn_anonAllows "anonymous" user access to authenticated
    areas
mod_authn_coreCore Authentication
mod_authn_dbdUser authentication using an SQL database
mod_authn_dbmUser authentication using DBM files
mod_authn_fileUser authentication using text files
mod_authn_socacheManages a cache of authentication credentials to relieve
the load on backends
mod_authnz_fcgiAllows a FastCGI authorizer application to handle Apache
httpd authentication and authorization
mod_authnz_ldapAllows an LDAP directory to be used to store the database
for HTTP Basic authentication.
mod_authz_coreCore Authorization
mod_authz_dbdGroup Authorization and Login using SQL
mod_authz_dbmGroup authorization using DBM files
mod_authz_groupfileGroup authorization using plaintext files
mod_authz_hostGroup authorizations based on host (name or IP
address)
mod_authz_ownerAuthorization based on file ownership
mod_authz_userUser Authorization
mod_autoindexGenerates directory indexes,
    automatically, similar to the Unix ls command or the
    Win32 dir shell command
mod_brotliCompress content via Brotli before it is delivered to the
client
mod_bufferSupport for request buffering
mod_cacheRFC 2616 compliant HTTP caching filter.
mod_cache_diskDisk based storage module for the HTTP caching filter.
mod_cache_socacheShared object cache (socache) based storage module for the
HTTP caching filter.
mod_cern_metaCERN httpd metafile semantics
mod_cgiExecution of CGI scripts
mod_cgidExecution of CGI scripts using an
    external CGI daemon
mod_charset_liteSpecify character set translation or recoding
mod_dataConvert response body into an RFC2397 data URL
mod_davDistributed Authoring and Versioning
(WebDAV) functionality
mod_dav_fsFilesystem provider for mod_dav
mod_dav_lockGeneric locking module for mod_dav
mod_dbdManages SQL database connections
mod_deflateCompress content before it is delivered to the
client
mod_dialupSend static content at a bandwidth rate limit, defined by the various old modem standards
mod_dirProvides for "trailing slash" redirects and
    serving directory index files
mod_dumpioDumps all I/O to error log as desired.
mod_echoA simple echo server to illustrate protocol
modules
mod_envModifies the environment which is passed to CGI scripts and
SSI pages
mod_example_hooksIllustrates the Apache module API
mod_expiresGeneration of Expires and
Cache-Control HTTP headers according to user-specified
criteria
mod_ext_filterPass the response body through an external program before
delivery to the client
mod_file_cacheCaches a static list of files in memory
mod_filterContext-sensitive smart filter configuration module
mod_headersCustomization of HTTP request and response
headers
mod_heartbeatSends messages with server status to frontend proxy
mod_heartmonitorCentralized monitor for mod_heartbeat origin servers
mod_http2Support for the HTTP/2 transport layer
mod_identRFC 1413 ident lookups
mod_imagemapServer-side imagemap processing
mod_includeServer-parsed html documents (Server Side Includes)
mod_infoProvides a comprehensive overview of the server
configuration
mod_isapiISAPI Extensions within Apache for Windows
mod_lbmethod_bybusynessPending Request Counting load balancer scheduler algorithm for mod_proxy_balancer
mod_lbmethod_byrequestsRequest Counting load balancer scheduler algorithm for mod_proxy_balancer
mod_lbmethod_bytrafficWeighted Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer
mod_lbmethod_heartbeatHeartbeat Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer
mod_ldapLDAP connection pooling and result caching services for use
by other LDAP modules
mod_log_configLogging of the requests made to the server
mod_log_debugAdditional configurable debug logging
mod_log_forensicForensic Logging of the requests made to the server
mod_logioLogging of input and output bytes per request
mod_luaProvides Lua hooks into various portions of the httpd
request processing
mod_macroProvides macros within apache httpd runtime configuration files
mod_mdManaging domains across virtual hosts, certificate provisioning 
        via the ACME protocol
    
mod_mimeAssociates the requested filename's extensions
    with the file's behavior (handlers and filters)
    and content (mime-type, language, character set and
    encoding)
mod_mime_magicDetermines the MIME type of a file
    by looking at a few bytes of its contents
mod_negotiationProvides for content negotiation
mod_nw_sslEnable SSL encryption for NetWare
mod_privilegesSupport for Solaris privileges and for running virtual hosts
under different user IDs.
mod_proxyMulti-protocol proxy/gateway server
mod_proxy_ajpAJP support module for
mod_proxy
mod_proxy_balancermod_proxy extension for load balancing 
mod_proxy_connectmod_proxy extension for
CONNECT request handling
mod_proxy_expressDynamic mass reverse proxy extension for
mod_proxy
mod_proxy_fcgiFastCGI support module for
mod_proxy
mod_proxy_fdpassfdpass external process support module for
mod_proxy
mod_proxy_ftpFTP support module for
mod_proxy
mod_proxy_hcheckDynamic health check of Balancer members (workers) for
mod_proxy
mod_proxy_htmlRewrite HTML links in to ensure they are addressable
from Clients' networks in a proxy context.
mod_proxy_httpHTTP support module for
mod_proxy
mod_proxy_http2HTTP/2 support module for
mod_proxy
mod_proxy_scgiSCGI gateway module for mod_proxy
mod_proxy_uwsgiUWSGI gateway module for mod_proxy
mod_proxy_wstunnelWebsockets support module for
mod_proxy
mod_ratelimitBandwidth Rate Limiting for Clients
mod_reflectorReflect a request body as a response via the output filter stack.
mod_remoteipReplaces 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_reqtimeoutSet timeout and minimum data rate for receiving requests

mod_requestFilters to handle and make available HTTP request bodies
mod_rewriteProvides a rule-based rewriting engine to rewrite requested
URLs on the fly
mod_sedFilter Input (request) and Output (response) content using sed syntax
mod_sessionSession support
mod_session_cookieCookie based session support
mod_session_cryptoSession encryption support
mod_session_dbdDBD/SQL based session support
mod_setenvifAllows the setting of environment variables based
on characteristics of the request
mod_slotmem_plainSlot-based shared memory provider.
mod_slotmem_shmSlot-based shared memory provider.
mod_soLoading of executable code and
modules into the server at start-up or restart time
mod_socache_dbmDBM based shared object cache provider.
mod_socache_dcDistcache based shared object cache provider.
mod_socache_memcacheMemcache based shared object cache provider.
mod_socache_redisRedis based shared object cache provider.
mod_socache_shmcbshmcb based shared object cache provider.
mod_spelingAttempts to correct mistaken URLs by ignoring
capitalization, or attempting to correct various minor
misspellings.
mod_sslStrong cryptography using the Secure Sockets
Layer (SSL) and Transport Layer Security (TLS) protocols
mod_statusProvides information on server activity and
performance
mod_substitutePerform search and replace operations on response bodies
mod_suexecAllows CGI scripts to run as a specified user
and Group
mod_systemdProvides better support for systemd integration
mod_unique_idProvides an environment variable with a unique
identifier for each request
mod_unixdBasic (required) security for Unix-family platforms.
mod_userdirUser-specific directories
mod_usertrack
Clickstream logging of user activity on a site

mod_versionVersion dependent configuration
mod_vhost_aliasProvides for dynamically configured mass virtual
hosting
mod_watchdogprovides infrastructure for other modules to periodically run
    tasks
mod_xml2encEnhanced charset/internationalisation support for libxml2-based
filter modules


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