The Openwall Project is a source for various software, including Openwall GNU/*/Linux (Owl), a security-enhanced operating system designed for servers. Openwall patches and security extensions have been included into many major Linux distributions.
As the name implies, Openwall GNU/*/Linux draws source code and design concepts from numerous sources, most importantly to the project is its usage of the Linux kernel and parts of the GNU userland, others include the BSDs, such as OpenBSD for its OpenSSH suite and the inspiration behind its own blowfish-based crypt for password hashing, compatible with the OpenBSD implementation.
Openwall GNU/*/Linux releases
|Openwall Version||Release date||End-of-life date||Kernel version|
|Old version, no longer supported: 0.1||13 March 2002||?||2.2.20|
|Old version, no longer supported: 1.0||15 October 2002||?||2.2.22|
|Old version, no longer supported: 1.1||23 December 2003||?||2.4.23|
|Old version, no longer supported: 2.0||14 February 2006||?||2.4.32|
|Old version, no longer supported: 3.0||16 December 2010||?||2.6.18|
|Current stable version: 3.1||5 January 2015||?||2.6.18|
- Executable space protection
- Comparison of Linux distributions
- Security-focused operating system
- John the Ripper
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