Contributed by jose on from the other-flavors-are-juicy dept.
"KernelTrap offers an in depth look at the recent efforts to port OpenBSD's stateful packet filter, pf, to other operating systems. The article includes interviews from Pyun Yong Hyeon who's working on the FreeBSD port, pf creator Daniel Hartmeier, pf developer Henning Brauer and OpenBSD creator Theo de Raadt. In addition to discussing recent porting efforts, the last half of the article focuses on all the new features in pf that will be available with the May 1'st release of OpenBSD 3.3."You have to admit it's pretty cool to have features in the kernel that people want to port around. PF has attracted the interest of NetBSD and FreeBSD hackers, but so far no one else seems to be porting it elsewhere (anyone have any info on this to share?).
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