Was wondering if anyone else has this program, because i would like to use it to create RvS servers instead of opening all my ports to let UBI thru.
Its free and you can get it here: http://www.hamachi.cc/, it basically allows you to set up a network for file sharing and LAN stuff i guess...over long distances.
I've been using it since its early beta and its excellent software though for RvS using it has proved tempermental. It does allow you to play virtual lan games which are slightly more reliable but rvs always wants to talk back to ubi and sometimes I have found conflicts. I can't say I've done it with the 1.6 patch though so it could be an easy way to start quick sas hosted games without ports or the like.
SAS_Vet_Noah
Ditto, although I haven't used it until I got the STALKER MP beta.