← Back to Home
Apache HTTP Server
The Apache HTTP Server, commonly referred to as Apache, is the world's most widely used web server software. Developed and maintained by the Apache Software Foundation, Apache has been a cornerstone of the web since 1995, powering millions of websites worldwide.
Key Features
Modular Architecture
Extensive module system allowing for flexible functionality through loadable modules.
Multi-Processing Modules
Multiple MPMs (prefork, worker, event) for different performance characteristics.
.htaccess Support
Per-directory configuration files for flexible, decentralized configuration management.
Rich Authentication
Comprehensive authentication and authorization modules including LDAP, database, and file-based auth.
Use Cases
- Traditional Web Hosting: Shared hosting environments with .htaccess support
- Dynamic Content: PHP, Python, Perl, and other server-side languages
- Content Management: WordPress, Drupal, and other CMS platforms
- Reverse Proxy: Using mod_proxy for load balancing and proxying
- SSL/TLS Termination: Secure connections with mod_ssl
Configuration Example
A basic Apache virtual host configuration:
<VirtualHost *:80>
ServerName example.com
DocumentRoot /var/www/html
<Directory /var/www/html>
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
Advantages
- Mature and stable with decades of development
- Extensive module ecosystem
- Flexible configuration system
- Excellent documentation and community
- Cross-platform support
Official Resources
- Website: httpd.apache.org
- Documentation: httpd.apache.org/docs/
- GitHub: github.com/apache/httpd