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Application-Specific DNS

check12
I am finally moving my main machines onto the new Sophos UTM network I set up. One issue I came across revolves around DNS at an application level.

I have a computer that normally uses the DNS provided by the UTM. However, there is one application on the computer that has a different set of DNS servers hard coded into it. 

It was working perfectly on my old setup, but now it looks like I am not able to utilize the application-specific DNS like I had in the past (i.e. these are US DNS servers from a VPN host and the machine is no longer getting a US connection through them).

Does the UTM force all DNS traffic to go through it? Is there a way to still accomplish this task on the UTM at an application level? What steps would I take?

Thanks so much.


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  • 0
    Here are the two calls I see in Web Filtering:

    2015:05:04-20:16:33 utm1 httpproxy[27255]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.42.55" dstip="64.30.228.50" user="" ad_domain="" statuscode="200" cached="0" profile="REF_DefaultHTTPProfile (Default Web Filter Profile)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="87736" request="0xe2cc8800" url="www.cbs.com/.../html"

    2015:05:04-20:16:33 utm1 httpproxy[27255]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.42.55" dstip="207.223.2.93" user="" ad_domain="" statuscode="200" cached="0" profile="REF_DefaultHTTPProfile (Default Web Filter Profile)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="424" request="0xddeb7800" url="link.theplatform.com/.../682lrDiF5kqp
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  • 0
    Here are the two calls I see in Web Filtering:

    2015:05:04-20:16:33 utm1 httpproxy[27255]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.42.55" dstip="64.30.228.50" user="" ad_domain="" statuscode="200" cached="0" profile="REF_DefaultHTTPProfile (Default Web Filter Profile)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="87736" request="0xe2cc8800" url="www.cbs.com/.../html"

    2015:05:04-20:16:33 utm1 httpproxy[27255]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="192.168.42.55" dstip="207.223.2.93" user="" ad_domain="" statuscode="200" cached="0" profile="REF_DefaultHTTPProfile (Default Web Filter Profile)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="424" request="0xddeb7800" url="link.theplatform.com/.../682lrDiF5kqp
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