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Release Notes

• Upgrading to 2.4 from 2.2
• New features with Apache 2.3/2.4
• New features with Apache 2.1/2.2
• New features with Apache 2.0
• Apache License

Using the Apache HTTP Server

• Compiling and Installing Apache
• Starting Apache
• Stopping and Restarting the Server
• Configuration Files
• How Directory, Location and Files sections work
• Content Caching
• Server-Wide Configuration
• Log Files
• Mapping URLs to Filesystem Locations
• Dynamic Shared Object (DSO) support
• HTTP Protocol Compliance
• Content Negotiation
• Custom error responses
• Setting which addresses and ports Apache uses
• Multi-Processing Modules (MPMs)
• Environment Variables in Apache
• Expression Parsing in Apache
• Apache's Handler Use
• Filters
• Shared Object Cache Support
• suEXEC Support
• Issues Regarding DNS and Apache
• Frequently Asked Questions

Apache Virtual Host documentation

• Overview
• Name-based Virtual Hosts
• IP-based Virtual Host Support
• Dynamically configured mass virtual hosting
• VirtualHost Examples
• An In-Depth Discussion of Virtual Host Matching
• File descriptor limitations

URL Rewriting Guide

• Overview
• mod_rewrite reference documentation
• Introduction to regular expressions and mod_rewrite
• Using mod_rewrite for redirection and remapping of URLs
• Using mod_rewrite to control access
• Dynamic virtual hosts with mod_rewrite
• Dynamic proxying with mod_rewrite
• Using RewriteMap
• Advanced techniques
• When NOT to use mod_rewrite
• RewriteRule Flags
• Technical details

Apache SSL/TLS Encryption

• Overview
• SSL/TLS Encryption: An Introduction
• SSL/TLS Encryption: Compatibility
• SSL/TLS Encryption: How-To
• SSL/TLS Encryption: FAQ

Guides, Tutorials, and HowTos

• Overview
• Authentication and Authorization
• Access Control
• Dynamic Content with CGI
• Introduction to Server Side Includes
• .htaccess files
• Per-user web directories
• Reverse proxy setup guide
• HTTP/2 guide

Platform-specific Notes

• Overview
• Using Apache with Microsoft Windows
• Compiling Apache for Microsoft Windows
• Using Apache With RPM Based Systems
• Using Apache with Novell NetWare
• Running a High-Performance Web Server on HPUX

Apache HTTP Server and Supporting Programs

• Overview
• Manual Page: httpd
• Manual Page: ab
• Manual Page: apachectl
• Manual Page: apxs
• Manual Page: configure
• Manual Page: dbmmanage
• Manual Page: fcgistarter
• Manual Page: firehose
• Manual Page: htcacheclean
• Manual Page: htdbm
• Manual Page: htdigest
• Manual Page: htpasswd
• Manual Page: httxt2dbm
• Manual Page: logresolve
• Manual Page: log_server_status
• Manual Page: rotatelogs
• Manual Page: split-logfile
• Manual Page: suexec
• Other Programs

Apache Miscellaneous Documentation

• Overview
• Performance Notes - Apache Tuning
• Performance Scaling
• Security Tips
• Relevant Standards
• Password Encryption Formats

Apache modules

• Definitions of terms used to describe Apache modules
• Definitions of terms used to describe Apache directives

• Apache Core Features
• Apache MPM Common Directives
• Apache MPM event
• Apache MPM netware
• Apache MPM os2
• Apache MPM prefork
• Apache MPM winnt
• Apache MPM worker

• Apache Module mod_access_compat
• Apache Module mod_actions
• Apache Module mod_alias
• Apache Module mod_allowhandlers
• Apache Module mod_allowmethods
• Apache Module mod_asis
• Apache Module mod_auth_basic
• Apache Module mod_auth_digest
• Apache Module mod_auth_form
• Apache Module mod_authn_anon
• Apache Module mod_authn_core
• Apache Module mod_authn_dbd
• Apache Module mod_authn_dbm
• Apache Module mod_authn_file
• Apache Module mod_authn_socache
• Apache Module mod_authnz_fcgi
• Apache Module mod_authnz_ldap
• Apache Module mod_authz_core
• Apache Module mod_authz_dbd
• Apache Module mod_authz_dbm
• Apache Module mod_authz_groupfile
• Apache Module mod_authz_host
• Apache Module mod_authz_owner
• Apache Module mod_authz_user
• Apache Module mod_autoindex
• Apache Module mod_brotli
• Apache Module mod_buffer
• Apache Module mod_cache
• Apache Module mod_cache_disk
• Apache Module mod_cache_socache
• Apache Module mod_cern_meta
• Apache Module mod_cgi
• Apache Module mod_cgid
• Apache Module mod_charset_lite
• Apache Module mod_crypto
• Apache Module mod_data
• Apache Module mod_dav
• Apache Module mod_dav_fs
• Apache Module mod_dav_lock
• Apache Module mod_dbd
• Apache Module mod_deflate
• Apache Module mod_dialup
• Apache Module mod_dir
• Apache Module mod_dumpio
• Apache Module mod_echo
• Apache Module mod_env
• Apache Module mod_example_hooks
• Apache Module mod_expires
• Apache Module mod_ext_filter
• Apache Module mod_file_cache
• Apache Module mod_filter
• Apache Module mod_firehose
• Apache Module mod_headers
• Apache Module mod_heartbeat
• Apache Module mod_heartmonitor
• Apache Module mod_http2
• Apache Module mod_ident
• Apache Module mod_imagemap
• Apache Module mod_include
• Apache Module mod_info
• Apache Module mod_isapi
• Apache Module mod_journald
• Apache Module mod_lbmethod_bybusyness
• Apache Module mod_lbmethod_byrequests
• Apache Module mod_lbmethod_bytraffic
• Apache Module mod_lbmethod_heartbeat
• Apache Module mod_ldap
• Apache Module mod_log_config
• Apache Module mod_log_debug
• Apache Module mod_log_forensic
• Apache Module mod_logio
• Apache Module mod_lua
• Apache Module mod_macro
• Apache Module mod_md
• Apache Module mod_mime
• Apache Module mod_mime_magic
• Apache Module mod_negotiation
• Apache Module mod_nw_ssl
• Apache Module mod_policy
• Apache Module mod_privileges
• Apache Module mod_proxy
• Apache Module mod_proxy_ajp
• Apache Module mod_proxy_balancer
• Apache Module mod_proxy_connect
• Apache Module mod_proxy_express
• Apache Module mod_proxy_fcgi
• Apache Module mod_proxy_fdpass
• Apache Module mod_proxy_ftp
• Apache Module mod_proxy_hcheck
• Apache Module mod_proxy_html
• Apache Module mod_proxy_http
• Apache Module mod_proxy_http2
• Apache Module mod_proxy_scgi
• Apache Module mod_proxy_uwsgi
• Apache Module mod_proxy_wstunnel
• Apache Module mod_ratelimit
• Apache Module mod_reflector
• Apache Module mod_remoteip
• Apache Module mod_reqtimeout
• Apache Module mod_request
• Apache Module mod_rewrite
• Apache Module mod_sed
• Apache Module mod_session
• Apache Module mod_session_cookie
• Apache Module mod_session_crypto
• Apache Module mod_session_dbd
• Apache Module mod_setenvif
• Apache Module mod_slotmem_plain
• Apache Module mod_slotmem_shm
• Apache Module mod_so
• Apache Module mod_socache_dbm
• Apache Module mod_socache_dc
• Apache Module mod_socache_memcache
• Apache Module mod_socache_redis
• Apache Module mod_socache_shmcb
• Apache Module mod_speling
• Apache Module mod_ssl
• Apache Module mod_ssl_ct
• Apache Module mod_status
• Apache Module mod_substitute
• Apache Module mod_suexec
• Apache Module mod_syslog
• Apache Module mod_systemd
• Apache Module mod_tls
• Apache Module mod_unique_id
• Apache Module mod_unixd
• Apache Module mod_userdir
• Apache Module mod_usertrack
• Apache Module mod_version
• Apache Module mod_vhost_alias
• Apache Module mod_watchdog
• Apache Module mod_xml2enc

Developer Documentation

• Overview
• Apache API notes
• API updates in Apache HTTPD 2.4
• Developing modules for Apache HTTPD 2.4
• Documenting Apache HTTPD
• Apache 2.x Hook Functions
• Converting Modules from 1.3 to 2.x
• Request Processing in 2.x
• How Filters Work in 2.x
• Guidelines for output filters in 2.x
• Thread Safety Issues in 2.x

Glossary and Index

• Glossary
• Module index
• Directive index
• Directive Quick-Reference
• Override class index for .htaccess