Apache HTTP Server
Official docs outline
15 sections- Getting Started and Overview
Basic concepts of serving, configuration and operation.
- Configuration Files and Directives
httpd.conf, directive contexts and containers.
- Configuration Sections
Directory, Files, Location and merging rules.
- Virtual Hosts
Name-based and IP-based virtual hosting.
- Multi-Processing Modules
prefork, worker and event MPMs.
- Modules
Core and optional modules and DSO loading.
- Authentication and Authorization
Authentication, authorization and access control modules.
- URL Rewriting
mod_rewrite rules and URL mapping.
- Reverse Proxy and Load Balancing
mod_proxy, balancer and gateway usage.
- SSL/TLS
mod_ssl configuration, certificates and strong ciphers.
- htaccess Files
Per-directory configuration and performance tradeoffs.
- Caching
mod_cache and content caching.
- Logging
Access and error logs.
- Security Tips
Hardening Apache HTTP Server.
- Performance Tuning
Tuning MPMs, memory and keepalive.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.
Versions and support
4 release lines 2.4.69 latest release, Oct 1, 2026
| Line | Released | Latest | Support |
|---|---|---|---|
| 2.4 | Feb 21, 2012 | 2.4.69 | Supported |
| 2.2 | Dec 1, 2005 | 2.2.34 | Ended Jul 11, 2017 |
| 2.0 | Apr 5, 2002 | 2.0.65 | Ended Jul 10, 2013 |
| 1.3 | Jun 1, 1998 | 1.3.42 | Ended Feb 3, 2010 |
Source: endoflife.date