Contributed by jose on from the sheer,-rampant-paranoia dept.
"Theo has posted on tech@ an interesting report on the security improvements recently committed to OpenBSD-current. It certainly makes me look forward to the next release. Theo's post is archived at the MARC archives "In his post Theo gives a brief technical overview of the four major security changes in OpenBSD: POSIX page protection schemes, WxorX, read only segments, and Propolice. Not all of these are on all platforms, but every platform has some protection. To quote Theo in his message, "We feel that these 4 technologies together will be a a royal pain in the ass for the typical buffer overflow attacker."
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