Is there any way to define a RELATED association between two protocols? For example, some (silly, IMHO) IRC servers require Identd to be functional on the IRC client (for as little value that Identd provides, but let's not debate that here). I'd like to create a rule on my firewall that expresses that RELATED association. So if an IP address in the "LAN" side of the firewall makes a connection to a target IP address:IRC port on the WAN side, then Identd should be allowed from that target IP address to the Identd port on the LAN client. IOW, relating Identd with IRC. Is this possible in any manner more straight-forward than connection marking (which I am sure could solve the problem)? Cheers, b.
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