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Date: Wed, 3 Jun 2009 00:46:20 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Chris St Denis <chris@smartt.com>
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Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject: Re: named: error sending response: not enough free resources
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> lot of searching and have found others with similar problems, but no 
> solutions.
>
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources
>   named[69750]: client *ip removed*: error sending response: not
>   enough free resources

quite misleading message, but the problem is that named want to send UDP 
packet and get's error from kernel.


possible reasons
- your firewall rules are the cause - check it.
- your network card produce problems (REALLY i have that case)
- the network/LAN named tries to sent UDP packet is somehow flooded.

i experienced all 3 cases. last is of course easiest to detect.

>
> Other messages on this subject suggest a shortage of mbuffs of an issue with

no you are fine with mbufs, memory etc..