> I believe henning mentioned somewhere that Apple were adopting an out of > date PF but I didn't know other companies were.
The Playbook uses QNX. A lot of their userland utilities were derived from BSD, maybe even the early CSRG releases. QNX6 networking stack is from NetBSD, it includes an ancient fork of OpenBSD's pf. http://community.qnx.com/sf/sfmain/do/viewProject/projects.networking They had public kernel/userland repos there briefly, but it was all restricted shortly after the RIM acquistion. -Bryan.
