более менее заработала такая связка :
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Rule 1:
General Tab
Name = ServerList Server Port Half life
Parameters Tab
Port Number = 27010
Protocol Type = UDP
Direction = Send and receive
-----------------------------------
Rule 2:
General Tab
Name = Steam conneсtion
Parameters Tab
Port Number = 27030
Protocol Type = TCP
Direction = Out
Secondary Connexion
Port range = 27000-27100, TCP, outbound
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Rule 3:
General Tab
Name = Main HalfLife Port
Parameters Tab
Port Number = 27015
Protocol Type = UDP
Direction = Send and Receive
Secondary Connexion
Port range = 27000-27100, UDP, Send and Receive
-----------------------------------------------
Rule 4:
General Tab
Name = Steam friends
Parameters Tab
Port Number = 1200
Protocol Type = UDP
Direction = Send and Receive
для клиента исы :
|1_rules|app: steam / key: RemoteBindUdpPorts / value: 27000-27015
|2_rules|app: steam / key: RemoteBindTcpPorts / value: 27030-27039
|3_rules|app: steam / key: ServerBindTcpPorts / value: 1200,27030-27039,27000-27015
правда пинги отображаются какие то дикие