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SG230 Zoom meeting low bandwidth and 90% packet loss

Maverick Luk

I am using SG230 all network traffic is normal but only have problem with zoom. I disabled all functions (qos, web filter, application control...) but no luck. Other video conference program is ok. Only Zoom has problem.



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    There is in that case a lot of UDP flood related blocking in my case too. Especially related to packets returning. Just normal UDP port 443. Because that part in UTM is not statefull I disabled UDP Flood Protection at the moment till I got a better solution. (Yeah I know I could exclude maybe that port only but is there a difference? A possible attack will hit that exclusion too.)
    So just have a look into the log and you will be a step further to the solution.

    Best regards 

    Alex 

    -

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  • 0

    There is in that case a lot of UDP flood related blocking in my case too. Especially related to packets returning. Just normal UDP port 443. Because that part in UTM is not statefull I disabled UDP Flood Protection at the moment till I got a better solution. (Yeah I know I could exclude maybe that port only but is there a difference? A possible attack will hit that exclusion too.)
    So just have a look into the log and you will be a step further to the solution.

    Best regards 

    Alex 

    -

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