As we covered in the last article, SSL/TLS (Secure Socket Layer/Transport Layer Security) are the protocols used to add encryption and authentication to TCP/IP and HTTP. In this article we'll cover the most popular open source method of adding SSL/TLS to a web server. Adding mod_ssl to Apache.. . .
As we covered in the last article, SSL/TLS (Secure Socket Layer/Transport Layer Security) are the protocols used to add encryption and authentication to TCP/IP and HTTP. In this article we'll cover the most popular open source method of adding SSL/TLS to a web server. Adding mod_ssl to Apache.

The mod_ssl module takes advantage of Apache's modular setup to interface Apache with the open source, public-key infrastructure tool kit, OpenSSL. This is currently the most popular method for adding support for SSL/TLS to Apache with roughly 12% of all Apache installations running mod_ssl. The module fully integrates into Apache 1.3.x using the Extended API (EAPI) and can be loaded as a Dynamic Shared Object (DSO) for memory conservation while inactive. Commercial implementations of secured Apache such as Covalent's Raven solution or Red Hat's Secure Web Server and Stronghold, also rely on mod_ssl and OpenSSL.

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