Port Unreachable

[Mark_Andrews at isc.org]

> Hi All,
> Was wondering if I could get some help with a bind 8.1.2
> 
> My system runs an icmp logger that runs in syslog.
> 
> When doing a nslookup on an internet domain (say www.something.com), it 
> looks up the address ok, but at the same time I recieve the following 
> ICMP information:
> 
> Jun 17 18:12:26 sbp-gw1 icmplog[61]: 203.39.146.227: udp port is 
> unreachable [dp=1278 sp=53]
> Jun 17 18:12:46 sbp-gw1 icmplog[61]: 203.39.146.227: udp port is 
> unreachable [dp=1283 sp=53]

	These will be replies going to a client that has closed the 
	socket that it was using for queries.

	Mark
> 
> netstat shows that the destination port (dp) is not open. I was just 
> wondering what it is in bind that causes it to look up a closed port, and 
> how to rectify it.
> 
> Thanks in advance :)
> Ben
> -- 
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> Ben Short                http://www.shortboy.dhs.org
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--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org