Apache HTTP Server is open-source software for serving websites and applications over the internet. It is a foundational technology used by system administrators, web developers, and hosting providers to make web content accessible.

• Modular Architecture: Extend core functionality with modules for security, caching, URL rewriting, and more, allowing for a highly customized server environment.
• .htaccess Configuration: Control directory-level settings like redirects, password protection, and error documents through distributed configuration files, offering flexibility without server-wide changes.
• Broad Compatibility and Stability: Runs on most operating systems and has a long history of reliable performance, making it a trusted choice for a wide range of hosting scenarios.
• Virtual Hosting: Serve multiple websites from a single server instance, efficiently managing resources and simplifying administration for hosting multiple domains.
• Active Security and Support: Benefits from a large, active community and regular updates that address vulnerabilities, helping to maintain a secure server infrastructure.