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Can't Resolve Host Name on UTM side from Red appliance.

TCF
I have a RED50 it is setup in split/transparent mode. I am getting my IP Address from the Router on the RED side. Everything is working great except DNS doesn't seem to be working properly. I can surf the internet but if I want to connect to a server on the UTM side I have to used the IP address instead of the Host Name.

ex: 192.168.0.1 instead of \MYFILESERVER


I have the same policies in place for the Red device as computers on the UTM . A firewall policy is set for the RED to use DNS.

In the UTM -> DNS

I have our DNS servers listed as forwarders and request routing.


Any ideas? Or things I should check for.


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  • 0
    Reading a little more about option 46 it looks to only influence broadcast traffic in WINS environments and have nothing to do with DNS lookups. So you should be just fine with only the DNS suffix configured correctly.

    Managing several Sophos firewalls both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

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  • 0
    Reading a little more about option 46 it looks to only influence broadcast traffic in WINS environments and have nothing to do with DNS lookups. So you should be just fine with only the DNS suffix configured correctly.

    Managing several Sophos firewalls both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

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