[Pdns-users] PowerDNS, Bind, and CLOSE_WAIT Problem

bert hubert bert.hubert at netherlabs.nl
Wed Dec 12 16:03:56 UTC 2007

Do you perhaps have Exchange servers connecting to one of the servers, and
not the other?


On Tue, Dec 11, 2007 at 12:06:32PM -0600, Ed McLain wrote:
> Hello all.. I've got powerdns 2.9.21 running on 2 servers with bind running
> as a backend resolver.  My problem is that for some reason on 1 of the
> boxes, randomly, the number of connections between PDNS and Bind will get
> stuck in the CLOSE_WAIT state until the process runs out of file descriptors
> (currently 1,000).  I've tried to up the number with no luck and was
> wondering if anybody had any ideas?  Both dns servers are running on
> identical hardware, OS, updates, pdns, and bind versions.  The second box
> does not seem to have this problem whatsoever.  Any help would be greatly
> appreciated.
> --
> Ed McLain
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