Re: udp port 0

[Husnu Demir <hdemir () metu edu tr>]

shadow floating yazmış:
> Hi list
> i keep getting logs from my IOS router 12.4 T about denying udp packet
> ip a.a.a.a (0) --> b.b.b.b (0)
> i kept googling about udp port zero and it's apperantly not used , at
> least legitimately. I also inspected the traffic from the logged ip
> address via wireshark and it never captures and udp packet with src or
> dst port 0, but i still get these logs all day long.
> anyone got idea about what it? is it some kind like udp tracerouting ?
> thanks alot
>
> regards,
> _______________________________________________
> firewall-wizards mailing list
> firewall-wizards () listserv icsalabs com
> https://listserv.icsalabs.com/mailman/listinfo/firewall-wizards

In our network wee saw them while people using edonkey, ares (mostly)
etc. I could not remember which one. But I totally disable all the
protocol accept TCP, UDP and ICMP :)

hdemir.

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