On Sat, Jul 13, 2013 at 8:55 AM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > and the answer comes back to exactly this port > https://en.wikipedia.org/wiki/Stateful_firewall > https://en.wikipedia.org/wiki/UDP_hole_punching "On some routers where port randomization is performed on a per-outbound host basis, the ports are not randomly selected, but actually sequential, making it possible to establish a conversation through guessing nearby ports." see also https://en.wikipedia.org/wiki/TCP_hole_punching -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org