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First time setup. Installation completed, unable to get connected to the internet. Please help

Cyber Army

Hi all,

 

This is my very first experience with Sophos UTM.

I've installed the software appliance firewall on my 1U rack. Everything seems to be setup correctly.

 

Please note, I have a Cisco Catalyst Switch. I am using a Asus router for wifi connectivity. The ethernet from the Asus router carrying the internet connection goes to the Sophos server, and then from the second lan port the ethernet cable goes to the Cisco Switch port 1.

Now my Server/PC is connected to the Cisco switch.. i am able to view and configure the Sophos Webmin control panel from my server. 

After the configuration, i have created a rule to allow internet connectivity.. followed the steps below.

– Click on “Network Protection”
– Click on “Firewall”
– Click on “New Rule…”
– Do the following:

  • Position: Top
  • Sources: Any
  • Services: Any
  • Destination: Any
  • Action: Allow
  • Comment: Firewall Off

Enabled this rule by putting the slider to the “On” position.

Done all this, but the internet still doesnt work.

Asking for help desperately.



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  • 0

    Welcome.....

    There's a lot going on there.

    1. The WAN port of the UTM should have an ip address that is on the LAN of your ASUS. It should have it's default gateway pointed towards your ASUS.
    2. The LAN port of your UTM should be on a totally different subnet to the above.

    Do you have this setup? If yes,

    3. You need to configure DNS to resolve. Under network services, use the DNS service and configure forwarders eg google dns 8.8.8.8
    4. Allow the UTM LAN side to access the DNS and point clients on the LAN to use the UTM as DNS

    5. Don't use the firewall rules. Use the web protection instead. Enable that and allow the UTM LAN subnet access to it.

  • 0

    Do you have a masquerading rule configured to masquerade the internal address with your public address?

    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.

  • 0

    You might want to include pictures of your configuration next time you ask a question.  We're all having to guess instead of knowing what your description means.  You might want to read #3 through #5 in Rulz.  I bet apijnappels' guess was on target, so #3.1 is likely where you need to focus you energies.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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