On Sat, Nov 26, 2005 at 10:18:49PM -0800, Julian Elischer wrote: > In this world of P2P apps it would be neat to have a way that two P2P apps > could attach to each other even though each is through a firewall. Most > firewalls only allow > "outgoing" connections. > > It would of course be possible via a 3rd party relaying but that is > inneffieient and the throughput > would be limited by throughput limits on the 3rd party link. > > It must be possible, with the connivance of a 3rd party both parties > could be able > to make suitable 'OUTGOING' connections. > The 3rd party would spoof needed packets using information supplied > by the two parties.
See this: http://samy.pl/chownat/ (Haven't tried it myself, but came across it on Freshmeat a while ago. I imagine it must rely on the NAT firewalls not changing the source UDP port unless they have to) _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
