Hi Michael,
OpenDNS by default returns their own internal server addresses for any
queries that don't resolve to a public IP. They do this so that they can
serve up their own search page (with ads, of course) when someone
mistypes a domain name. This behavior breaks a lot of stuff, including,
in this case, your backups.
If you have an actual account set up with OpenDNS, I think you can
disable this feature. Otherwise, use Google's public DNS: 8.8.8.8 and
8.8.4.4, which do not break DNS.
Hope this helps,
- R.
On Dec 19 2011 09:10 am, Michael Conner wrote:
> I run backuppc on about 15 computers and one networked Buffalo drive
> in a small museum. I've had it working well for about a year on an
> old
> computer running Centos 5.6 despite not knowing a great deal about
> Linux and networking, just the IT guy by default. The clients are
> mostly Windows XP, some Vista and Windows 7; also an iMac and a
> Centos
> web server. I've got DeltaCopy running on most of the Windows
> computers and use rsyncd; other windows use smb.
>
> Last week I had occasion to change the DNS servers used by our router
> from those hosted by the network that controls our T1 line to OpenDNS
> when exploring a problem unrelated to backuppc. However, after making
> the change, I saw that a lot of the backups were failing due to slow
> ping times. When I increased the ping wait, they failed with messages
> like: Error connecting to rsync daemon at educationoffice:873: inet
> connect: Connection timed out. The xfer log on the Buffalo said:
> timeout connecting to 67.215.65.132:445, which is related to a
> OpenDNS.The linux and mac clients had no problems; they use rsync for
> xfer method. The one Windows 7 machine, which uses smb, also worked.
> Pings and nmblookups run from the command line in Mac OS 10.6.8 also
> were fine.
>
> I changed the DNS servers back and everything is normal again.
>
> Can someone explain what was going on just for my edification?
>
> Mike
>
>
>
>
>
>
> ------------------------------------------------------------------------------
> Learn Windows Azure Live! Tuesday, Dec 13, 2011
> Microsoft is holding a special Learn Windows Azure training event for
> developers. It will provide a great way to learn Windows Azure and
> what it
> provides. You can attend the event by watching it streamed LIVE
> online.
> Learn more at http://p.sf.net/sfu/ms-windowsazure
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[__ Founder, No Problem
[__ Information technology support and services
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Gandhi
------------------------------------------------------------------------------
Learn Windows Azure Live! Tuesday, Dec 13, 2011
Microsoft is holding a special Learn Windows Azure training event for
developers. It will provide a great way to learn Windows Azure and what it
provides. You can attend the event by watching it streamed LIVE online.
Learn more at http://p.sf.net/sfu/ms-windowsazure
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