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WebRCT

JonMeacham

Hi, trying to troubleshoot connecting to a website that uses WebRCT ,which is something I know nothing about, but not working behind the UTM due to some firewall drops (works ok if allow any service,any destination).

The provider says check https://test.webrtc.org/ as a starting point, which fails on the TCP section. Anyone else able to pass the checks on utm?



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  • 0

    Hi Jon,

    That FQDN has a TTL of 3600 seconds, so if you want to just allow 3478 to it, be sure to use a DNS Host instead of a Host definition with a fixed IP.

    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

    Ok so got that particular test working, but the real site im struggling with which ports to open and where

    11:02:18 Default DROP UDP 192.168.0.88 : 58395 → 213.205.194.x : 48221 len=124 ttl=127
    11:02:19 Default DROP UDP 192.168.0.88 : 58395 → 108.177.15.x : 19302 len=48 ttl=127
    11:02:19 Default DROP UDP 192.168.0.88 : 58395 → 64.233.163.x : 19302 len=48 ttl=127
    11:02:19 Default DROP UDP 192.168.0.88 : 58395 → 172.253.121.x : 19302 len=48 ttl=127
    11:02:19 Default DROP UDP 192.168.0.88 : 58395 → 74.125.200.x : 19302 len=48 ttl=127
    11:02:19 Default DROP UDP 192.168.0.88 : 58395 → 74.125.204.x : 19302 len=48 ttl=127
    11:02:21 Default DROP UDP 192.168.0.88 : 58395 → 172.18.0.x : 48221 len=124 ttl=127
    11:02:21 Default DROP UDP 192.168.0.88 : 58395 → 213.205.194.x : 48221 len=124 ttl=127
    11:02:22 Default DROP TCP 192.168.0.88 : 65223 → 172.18.0.x : 50405 [SYN] len=52
    11:02:29 Default DROP TCP 192.168.0.88 : 65223 → 172.18.0.x : 50405 [SYN] len=52
  • 0 in reply to JonMeacham

    Looks like you'll need guidance from webrtc support as there's no clear pattern.

    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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