Please note

This document refers to the 2.0 version of Apache httpd, which is no longer recommended.
If you are using the current versions of httpd (2.2 or 2.4), please visit their documentations instead:

Apache HTTP Server 2.2 documentation
Apache HTTP Server 2.4 documentation

You may follow this link to go to the 2.2 version of this document.

Apache SSL/TLS Encryption

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The Apache HTTP Server module mod_ssl provides an interface to the OpenSSL library, which provides Strong Encryption using the Secure Sockets Layer and Transport Layer Security protocols. The module and this documentation are based on Ralf S. Engelschall's mod_ssl project.

Documentation
mod_ssl

Documentation

Introduction
Compatibility
How-To
Frequently Asked Questions
Glossary

mod_ssl

Extensive documentation on the directives and environment variables provided by this module is provided in the mod_ssl reference documentation.