Port Knocking came about in around 2003, but it has various weaknesses. There are plenty of implentations though (some quite advanced). Most of the problems are fixed however by fwknop! fwknop stands for the “FireWall KNock OPerator”, and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a [...]
Tag Archive | "bsd"
The scariest type of all, hardware vulnerabilities. Security guru and creator of OpenBSD Theo de Raadt recently announced he had found some fairly serious bugs in the hardware architecture of Intel Core 2 Duo processors. He goes as far as saying avoid buying a C2D processor until these problems are fixed. A prominent software developer [...]