Hi Tim,
> > iptables -A INPUT -p ALL --dport 3977 -j ACCEPT
>
> I suspect it is because you have the protocol as ALL, There are more
> protocols than TCP and UDP.
I think David's right; --dport is only valid for some protocols, e.g.
`tcp', so giving `-p all', the default, rules out its use. iptables(1)
says, for example
tcp
These extensions can be used if `--protocol tcp' is specified.
It provides the following options:
...
[!] --destination-port,--dport port[:port]
Destination port or port range specification. The flag
--dport is a convenient alias for this option.
> Failing that you could use --destination-port instead of dport.
Think they're synonyms.
Cheers, Ralph.
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