mod_ssl    
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About the mod_ssl Project

The goal of the project

The mod_ssl project provides strong cryptography for the Apache 1.3 webserver via the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols by the help of the Open Source SSL/TLS toolkit OpenSSL, which is based on SSLeay from Eric A. Young and Tim J. Hudson.

Derivation and License

The mod_ssl package was created in April 1998 by Open Source Guru Ralf S. Engelschall and was originally derived from software developed by Ben Laurie for use in the Apache-SSL HTTP server project. The mod_ssl package is licensed under a BSD-style licence, which basically means that you are free to get and use it for commercial and non-commercial purposes.

Highlights

The feature highlights of mod_ssl are the following:

  • Open Source software.
  • Useable for both commercial and non-commercial use
  • Available for both Unix and Win32 platforms
  • 128-bit strong cryptography world-wide
  • Support SSLv2, SSLv3 and TLSv1 protocols
  • Support for both RSA and Diffie-Hellman ciphers
  • Clean reviewable ANSI C source code
  • Clean Apache module architecture
  • Integrates seamlessly into Apache through an Extended API (EAPI)
  • Full Dynamic Shared Object (DSO) support
  • Support for the OpenSSL+RSAref US-situation
  • Advanced pass-phrase handling for private keys
  • X.509 certificate based authentication for both client and server
  • X.509 certificate revocation list (CRL) support
  • Support for per-URL renegotiation of SSL handshake parameters
  • Support for explicit seeding of the PRNG with external sources
  • Additional boolean-expression based access control facility
  • Backward compatibility to other Apache SSL solutions
  • Inter-process SSL session cache (DBM or Shared Memory based)
  • Powerful dedicated SSL engine logging facility
  • Simple and robust application to Apache source trees
  • Fully integrated into the Apache 1.3 configuration mechanism
  • Additional integration into the Apache Autoconf-style Interface (APACI)
  • Assistance in X.509v3 certificate generation (both RSA and DSA)

Primary Author

Ralf S. Engelschall
rse@engelschall.com
engelschall.com

Copyrights

Copyright © 1998-2002 Ralf S. Engelschall, All Rights Reserved.
Copyright © 1995-1998 Ben Laurie, All Rights Reserved.