natd & auth requests

Wojciech Puchar wojtek at
Fri Feb 10 14:04:25 PST 2006

>> handled by natd? like answering last byte of source IP number or DNS
>> reverse name or maybe from table like oidentd?
> If you're using 1-to-1 NAT forwarding, run identd or the inetd-based version on
> the internal hosts you're forwarding to.  If you're using NAT to only forward
> individual ports to specific machines, or are using NAT for outbound connection
> sharing only, well, you can only forward ident requests to a single machine; I
> don't know of a better solution.
> Interesting problem...
i use to forward about 200 machines through one IP (+ipfw2 to manage 
bandwidth). all works fine except no authentication of user is possible.

for NetBSD i wrote a simple program (identd replacement) that parsed
ipnat -l output and made and answer.

but under FreeBSD there is no thing similar to /sbin/ipnat -l with natd.

or maybe is? something that will output natd map table.

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