apache2_modules
lbmethod_heartbeat

Heartbeat Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer

Other “apache2_modules” USE_EXPAND flag values

Use FlagDescription
apache2_modules_access_compatGroup authorizations based on host (name or IP address). Available as a compatibility module with previous versions
apache2_modules_actionsProvides for executing CGI scripts based on media type or request method
apache2_modules_aliasProvides for mapping different parts of the host filesystem in the document tree and for URL redirection
apache2_modules_allowmethodsThis module makes it easy to restrict what HTTP methods can be used on a server
apache2_modules_asisSends files that contain their own HTTP headers
apache2_modules_auth_basicBasic authentication
apache2_modules_auth_digestUser authentication using MD5 Digest Authentication
apache2_modules_auth_formAllows the use of an HTML login form to restrict access by looking up users in the given providers
apache2_modules_authn_anonAllows "anonymous" user access to authenticated areas
apache2_modules_authn_coreProvides core authentication capabilities common to all authentication providers (functionality provided by authn_alias in previous versions)
apache2_modules_authn_dbdUser authentication using an SQL database
apache2_modules_authn_dbmUser authentication using DBM files
apache2_modules_authn_fileUser authentication using text files
apache2_modules_authn_socacheMaintains a cache of authentication credentials, so that a new backend lookup is not required for every authenticated request
apache2_modules_authz_coreProvides core authorization capabilities to various authorization/authorization modules, such as authn_file and authz_user
apache2_modules_authz_dbdProvides authorization capabilities via SQL database so that authenticated users can be allowed or denied access to portions of the web site by group membership
apache2_modules_authz_dbmGroup authorization using DBM files
apache2_modules_authz_groupfileGroup authorization using plaintext files
apache2_modules_authz_hostGroup authorizations based on host (name or IP address)
apache2_modules_authz_ownerAuthorization based on file ownership
apache2_modules_authz_userUser Authorization
apache2_modules_autoindexGenerates directory indexes, automatically, similar to the Unix ls command
apache2_modules_brotliEnable brotli compression support
apache2_modules_cacheContent cache keyed to URIs
apache2_modules_cache_diskDisk based storage module for the HTTP caching filter (similar to mem_cache in previous versions)
apache2_modules_cache_socacheShared object cache (socache) based storage module for the HTTP caching filter
apache2_modules_cern_metaCERN httpd metafile semantics
apache2_modules_cgiEnable CGI module (used by non-multithreaded MPMs, for eg. prefork)
apache2_modules_cgidEnable CGI module (used by multithreaded MPMs, for eg. worker)
apache2_modules_charset_liteSpecify character set translation or recoding
apache2_modules_davDistributed Authoring and Versioning (WebDAV) functionality
apache2_modules_dav_fsfilesystem provider for mod_dav
apache2_modules_dav_lockgeneric locking module for mod_dav
apache2_modules_dbdManages SQL database connections
apache2_modules_deflateCompress content before it is delivered to the client
apache2_modules_dirProvides for "trailing slash" redirects and serving directory index files
apache2_modules_dumpioDumps all I/O to error log as desired
apache2_modules_envModifies the environment which is passed to CGI scripts and SSI pages
apache2_modules_expiresGeneration of Expires and Cache-Control HTTP headers according to user-specified criteria
apache2_modules_ext_filterPass the response body through an external program before delivery to the client
apache2_modules_file_cacheCaches a static list of files in memory
apache2_modules_filterContext-sensitive smart filter configuration module
apache2_modules_headersCustomization of HTTP request and response headers
apache2_modules_http2Enable http2/alpn module
apache2_modules_identRFC 1413 ident lookups
apache2_modules_imagemapServer-side imagemap processing
apache2_modules_includeServer-parsed html documents (Server Side Includes)
apache2_modules_infoProvides a comprehensive overview of the server configuration
apache2_modules_lbmethod_bybusynessPending Request Counting load balancer scheduler algorithm for mod_proxy_balancer
apache2_modules_lbmethod_byrequestsRequest Counting load balancer scheduler algorithm for mod_proxy_balancer
apache2_modules_lbmethod_bytrafficWeighted Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer
apache2_modules_lbmethod_heartbeatHeartbeat Traffic Counting load balancer scheduler algorithm for mod_proxy_balancer
apache2_modules_log_configLogging of the requests made to the server
apache2_modules_log_forensicForensic Logging of the requests made to the server
apache2_modules_logioLogging of input and output bytes per request
apache2_modules_luaProvides Lua hooks into various portions of the httpd request processing
apache2_modules_macroMacros for the Apache config file
apache2_modules_mdManaging domains across virtual hosts, certificate provisioning via the ACME protocol
apache2_modules_mimeAssociates the requested filename's extensions with the file's behavior (handlers and filters) and content (mime-type, language, character set and encoding)
apache2_modules_mime_magicDetermines the MIME type of a file by looking at a few bytes of its contents
apache2_modules_negotiationProvides for content negotiation
apache2_modules_proxyHTTP/1.1 proxy/gateway server
apache2_modules_proxy_ajpAJP support module for mod_proxy
apache2_modules_proxy_balancermod_proxy extension for load balancing
apache2_modules_proxy_connectmod_proxy extension for CONNECT request handling
apache2_modules_proxy_fcgiFastCGI support module for mod_proxy
apache2_modules_proxy_ftpFTP support module for mod_proxy
apache2_modules_proxy_hcheckDynamic health check of Balancer members (workers) for mod_proxy
apache2_modules_proxy_htmlModule to rewrite links in html pages behind a reverse proxy
apache2_modules_proxy_httpHTTP support module for mod_proxy
apache2_modules_proxy_http2HTTP2 support module for mod_proxy
apache2_modules_proxy_scgiSCGI gateway module for mod_proxy
apache2_modules_proxy_uwsgiUWSGI gateway module for mod_proxy
apache2_modules_proxy_wstunnelProvides support for the tunnelling of web socket connections to a backend websockets server
apache2_modules_ratelimitBandwidth Rate Limiting for Clients
apache2_modules_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
apache2_modules_reqtimeoutSet timeout and minimum data rate for receiving requests
apache2_modules_rewriteProvides a rule-based rewriting engine to rewrite requested URLs on the fly
apache2_modules_sessionProvides support for a server wide per user session interface
apache2_modules_session_cookieProvides support for the storage of user sessions on the remote browser within HTTP cookies
apache2_modules_session_cryptoProvides support for the encryption of user sessions before being written to a local database, or written to a remote browser via an HTTP cookie
apache2_modules_session_dbdProvides support for the storage of user sessions within a SQL database using the mod_dbd module
apache2_modules_setenvifAllows the setting of environment variables based on characteristics of the request
apache2_modules_slotmem_shmSlot-based shared memory provider
apache2_modules_socache_memcacheA shared object cache provider using memcached
apache2_modules_socache_shmcbA shared object cache provider using a high-performance cyclic buffer inside a shared memory segment
apache2_modules_spelingAttempts to correct mistaken URLs that users might have entered by ignoring capitalization and by allowing up to one misspelling
apache2_modules_statusProvides information on server activity and performance
apache2_modules_substitutePerform search and replace operations on response bodies
apache2_modules_tlsmod_tls TLS module for Apache, intended to replace mod_ssl
apache2_modules_unique_idProvides an environment variable with a unique identifier for each request
apache2_modules_unixdBasic (required) security for Unix-family platforms
apache2_modules_userdirUser-specific directories
apache2_modules_usertrackClickstream logging of user activity on a site
apache2_modules_versionVersion dependent configuration
apache2_modules_vhost_aliasProvides for dynamically configured mass virtual hosting
apache2_modules_watchdogProvides infrastructure for other modules to periodically run tasks
apache2_modules_xml2encEnable xml2 encoding module

All packages providing a “apache2_modules_lbmethod_heartbeat” USE flag (1)