Quote:
Bidirectional Mapping (1:1 mapping)
A bidirectional mapping can be established by using the binat rule. A binat rule establishes a one to one mapping between an internal IP address and an external address. This can be useful, for example, to provide a web server on the internal network with its own external IP address. Connections from the Internet to the external address will be translated to the internal address and connections from the web server (such as DNS requests) will be translated to the external address. TCP and UDP ports are never modified with binat rules as they are with nat rules.
Example:
web_serv_int = "192.168.1.100"
web_serv_ext = "24.5.0.6"
binat on tl0 from $web_serv_int to any -> $web_serv_ext
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TCP and UDP ports are never modified with binat rules as they are with nat rules.
Must be what makes the difference for my game working and not working eh?