FreeBSD 5.3 routing IPFW FWD'd packets?

Achim Patzner ap at bnc.net
Tue Nov 30 03:25:06 PST 2004


> FreeBSD 5.3 may send IPFW FWD forwarded packets to a destination other 
> than the one specified in the FWD action.  FreeBSD 5.2.1 works as 
> expected.

I sent a PR on that one already... It cost me a few hundred local 
pearls for data routed in the wrong direction (--> no donations to the 
FreeBSD Foundation for the next few years).

> Packets sent to the directly reachable net 192.168.254/8 (rule 64000) 
> seem to work.  Is it possible that packets are somehow being routed 
> after being FWD'd by IPFW?

The counters show that the rule is applied, too. Just the "fwd" part is 
not happening.


Achim



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