Firewall Checker qustion

Discussion in '3CX Phone System - General' started by dsack, Dec 15, 2015.

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  1. dsack

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    I have configured my firewall to match the requirements spelled out in the documentation. When I run the check I can see the outbound traffic to the stun server (stun.3cx.com). The check fails with the "Failed - Malformed or no response received from configured STUN servers" error. I do not see any return traffic in my firewall logs. I should see denials if I have anything wrong. I can ping the stun server so I know it is resolving properly. I just want to confirm that I should be seeing some kind of response from the stun server.

    Thanks
    Dave
     
  2. Charles_3CX

    Charles_3CX New Member
    3CX Support

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    Hi

    Please see this guide that explains the firewall checker in some detail: http://www.3cx.com/blog/docs/firewall-voip-rules-check/
     
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