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nat port range not completly forwarded

Martin Seidel

Hallo,

I did a NAT of port 9000 - 10999 but only the first 34 ports are forwareded, how is this possible?

best regards,

Martin



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  • Hallo Martin and welcome to the UTM Community!

    I suspect that Harsh is correct that anti-UDP flooding activity is blocking your test.  You might create an Intrusion Prevention Exception for 'UDP Flood Protection' for traffic from the testing IP.  It always helps to start with #1 in Rulz (last updated 2021-02-16).

    Cheers - Bob
    PS Since you posted auf Englisch, I'll move this thread to the Network Protection forum.

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

  • Hallo Martin and welcome to the UTM Community!

    I suspect that Harsh is correct that anti-UDP flooding activity is blocking your test.  You might create an Intrusion Prevention Exception for 'UDP Flood Protection' for traffic from the testing IP.  It always helps to start with #1 in Rulz (last updated 2021-02-16).

    Cheers - Bob
    PS Since you posted auf Englisch, I'll move this thread to the Network Protection forum.

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