[nsd-users] nsd: Could not tcp connect to a:a:a:a::1:1: Operation timed out

Michael Grimm trashcan at odo.in-berlin.de
Thu Dec 27 12:46:13 CET 2012


Hi, sorry for the noise.

On 27.12.2012, at 12:24, Michael Grimm <trashcan at odo.in-berlin.de> wrote:

>> Is this the only packet you saw for the handshake? Did you see an
>> Syn/Ack after this packet? I.e. A packet returning from a:a:a:a::1:1
>> with "Flags [S.]"?
> 
> No, but I cannot see those flags for any tcpdump logfile entry over the last 30 minutes, capturing traffic by:
> 
> | tcpdump -n -e -ttt -s 256 -v -i pflog0		(pf firewall)
> | tcpdump -n -e -ttt -s 256 -v -i em0		(outside interface)
> 
> (I do have to admit that I'm not that much an expert to tcpdump.)

Sorry, I looked for the wrong flag [.S] instead of '[S.]'. And yes, I do see them, but never regarding IPv6 TCP traffic.

Regards,
Michael





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