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Internal DNS name resolution not working on L2TP over IPsec VPN - No server running, trying to use UTM

RaymondOlsen

We have an L2TP over IPsec VPN that works but I'm trying to optimize it. (My networking knowledge is not great, i've searched for several hours on the web looking for solutions before asking here)

I can't figure out how to get the UTM to act as our DNS server in order to get computer names to resolve when logged in at home. We have no DNS server, I'd like to just use the router if possible.

I have tried entering the local IP of the UTM as the DNS server in remote access - advanced settings as well as  adding a machine in network definitions with a DNS name in it's properties to see if that worked.

I can provide any info that will help figure it out.

thanks!



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  • 0

    Hi, Raymond, and welcome to the UTM Community!

    Assuming that you have selected to have the UTM assign client IPs from "VPN Pool (L2TP)," you need to add the same object to 'Allowed Networks' in DNS.

    If you want to have the UTM resolve local names to local IPs, ask that question in the General Discussion forum.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    Hi Bob,

    Yes the client IPs were from "VPN Pool (L2TP). I went ahead and added that object to the 'Allowed Networks in DNS. I didn't notice a difference after doing so though, what did that do?

    I'll head over to General Discussion for the other issue.

    Any thoughts on why we only get 14MB/s file transfer speeds when both my home and work are on gigabit google fiber services?

    thanks for your help!

    Ray

  • 0 in reply to RaymondOlsen

    Another good question. Google site:community.sophos.com/products/unified-threat-management/f slow downloads and if you don't find what you're looking for, ask another question in the General Discussion forum.

    One of our unwritten rules here is "one topic per thread" as that makes it easier for others to find answers here.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    Got it. Thanks again for your help Bob.

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