BIND bound to high port?

[Mark.Andrews at nominum.com]

	Why did you send this twice?

	Mark

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<   I have several different BIND-s running on various machines.  On a couple,
< I see a random UDP high port bound that I don't typically expect to see
< (file descriptor 4 in the example below):
< 
< # lsof -i -a -p `cat /etc/named.pid`
< COMMAND  PID USER   FD   TYPE     DEVICE SIZE/OFF NODE NAME
< named   6780 root    4u  inet 0x61167750      0t0  UDP *:41763 (Idle)
---
>    I have several different BIND-s running on various machines.  On a
> couple, 
> I see a random UDP high port bound that I don't typically expect to see 
> (file descriptor 4 in the example below): 
> 
> # lsof -i -a -p `cat /etc/named.pid` 
> COMMAND  PID USER   FD   TYPE     DEVICE SIZE/OFF NODE NAME 
> named   6780 root    4u  inet 0x61167750      0t0  UDP *:44033 (Idle) 
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< (Idle)
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> (Idle) 
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< (LISTEN)
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> (LISTEN) 
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> 
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< (LISTEN)
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> (LISTEN) 
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<   Can anyone shed any light regarding what it is that causes BIND to use
< this port?  My best guess is that it's somehow related to query-source
< address, but I'm dubious enough that I was hoping someone on the list might
< know for sure.
---
> Can anyone shed any light regarding what it is that causes BIND to use 
> this port?  My best guess is that it's somehow related to query-source 
> address, but I'm dubious enough that I was hoping someone on the list might 
> know for sure. 
63c65
<   Thanks.
---
> Thanks. 
--
Mark Andrews, Nominum Inc. / Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com