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mikrotikgrrl
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Joined: Fri Mar 27, 2009 9:59 pm
Location: Oklahoma

Odd DNS behavour

Fri Aug 07, 2009 12:31 am

I am seeing odd behavior with DNS resolution on local machines when pinging from a client that is attached to one of my AP's. I am using OpenDNS - so I would have thought that it would resolve to the externals, but it's not. I have the firewall setup that it won't allow the client to get a response back from the IP range, but I don't like my internal IP's of the infrastructure exposed. My temporary workaround is that I am adding static entries the DNS cache - is there something that I'm totally missing here?

Thanx in advance for any input!
Darci
 
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mikrotikgrrl
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Location: Oklahoma

Re: Odd DNS behavour

Fri Aug 07, 2009 7:36 pm

More info:

The DNS server that I'm fighting against is Windows 2003, and it seems to be only intercepting requests that are local. I have access to this box, but currently am not in charge of managing it. Thanx in advance for any input!

Darci
 
bokad
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Re: Odd DNS behavour

Sat Aug 08, 2009 7:25 pm

Can you post a more precise description of what you are seeing vs what you expect to see?
One thing to note is that if you have a hotspot installed it will intercept the DNS requests.
Other then that, DNS is pretty straight forward and has very very few quirks.
 
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mikrotikgrrl
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Posts: 18
Joined: Fri Mar 27, 2009 9:59 pm
Location: Oklahoma

Re: Odd DNS behavour

Sat Aug 15, 2009 1:24 am

I just went ahead and blocked our local DNS servers entirely, so that OpenDNS has the opportunity to answer the request for local stuffs.

Works like a charm!

Darci

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