Linked by Eugenia Loli on Sat 12th Aug 2006 19:07 UTC
OpenBSD OpenBSD strives to be the most secure UNIX derivation. Design principles, such as code auditing, extensive use of encryption, and careful configuration choices, combine to ensure OpenBSD's secure by default philosophy holds true. This article gives you a close look at the operating system so secure that it was once banned for use in a DEF CON competition, where crackers go after each other's systems.
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NX without NX
by joecool on Sat 12th Aug 2006 20:40 UTC
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One other thing that this article doesn't mention that is quite interesting is that OpenBSD's implementation prevents arbitrary execution of memory even on hardware that doesn't support the NX (no execute) bit. This is invaluable to help prevent buffer overflow exploits.

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