If you had of told us this in your original email, we probably could of helped you better...
Regards, _______________________________________________________ Shane Arnold - [email protected] "For want of a nail, the horseshoe was lost. For want of a horseshoe, the horse was lost. For want of a horse, the messenger was lost. For want of a messenger, the message was not delivered. For want of an undelivered message the war was lost." Thomas Hjorth wrote: > I dont use iptables in this setup. I know plenty about TCP/IP which isnt > the issue either. > > I wanna know the port, so I can make sure I NAT the same external IP to > just the masterservers, but not VAC servers. Since I cant just get/find > a list of the different IPs and target them like that, the next option > is to use the source port as base for my filtering. > > Regards Thomas @ DSRack.com > > > On Fri, 2009-07-10 at 17:29 +0800, Will Dowling wrote: > >> To the best of my knowledge, when opening a socket to a remote service, >> your SOURCE port IS randomised. This is done to prevent a number of >> attacks at the TCP level. >> >> Is your issue with iptables? If so, the problem isn't with the >> application - you should be able to filter by the destination port. If >> you're worried about the return traffic, you should either do a source >> port check for the remote host, or use the iptables conntrack helper >> module for ESTABLISHED connections. >> >> Again, some context as to what you're trying to acheieve by setting the >> source port would probably help get the right answer. >> >> Hope this helps. >> >> >> Will Dowling >> >> T: +61 (0407) 421 559 >> F: +61 (08) 6364 4881 >> E: [email protected] >> >> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlds_linux >> > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
