[Hellfighter]

its on the end user side of it and not the host

he ether have not totally update his have with all the two patchs they NL release.

the game update
url link update expatch

then there the router or firewall

need to: to join host server
disable Stealthmod
disable any port scan

if you have other who join in your host game then you know its the other party who having the trouble