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Re: [Xen-users] Named in domu listening on only some IP addresses

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Subject: Re: [Xen-users] Named in domu listening on only some IP addresses
From: Simon Hobson <linux@xxxxxxxxxxxxxxxx>
Date: Thu, 28 Oct 2010 18:10:30 +0100
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David Dyer-Bennet wrote:
I just noticed that the named instance I have running in my dom0 is only
listening on some addresses.

Netstat -ln shows the following relevant listeners:

tcp  0      0*                   LISTEN
tcp  0      0*                   LISTEN
tcp  0      0*                   LISTEN
tcp  0      0 ::1:53                :::*                        LISTEN
tcp  0      0 ::1:953               :::*                        LISTEN
udp  0      0*
udp  0      0*
udp  0      0 ::1:53                :::*

What's missing from this list is -- the primary IP for the dom0!

What happens if you stop and start the service (not reload or restart) after starting Xen and any guests ?

If it's still the same then I'd say you need to look at the config - does the OS have a file for declaring startup options ? I don't think this is anything to do with ACLs in your BIND config - if (for example) you specify an "allow-query" clause, that doesn't control which interfaces/IPs the service will listen on.

If stopping/starting the service brings it up on all interfaces/IPs, then perhaps something isn't ready at the time BIND starts.

Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
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