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Allowing TCP -Options through UTM 9

ToBu
Hi,
I recntly upgraded my Sophos virtual appliance 8 to a virtual version 9 UTM, by exporting and importing the configuration.

Since then my Citrix Repeaters are unable to connect to each other, hence no traffic is accelerated between our companies sites any more.

Citrx technical support claims, this is due to the firewall not allowing TCP-options (options 24 to 31 (decimal) to be precise).
I already disable IPS to be on the safe side, but still no luck.

Is there a way on the UTM9 to allow the forwarding of packets with TCP-options set ?

Regards

Tobias


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  • 0 in reply to BarryG
    IPS-Log: a few UDP SYN-Flood entries, but none have my Citrix Receiver IP-addresses in their source- or destination-fields

    Firewall-Log: No blocked connections to and from my Citrix Repeater machines.


    Regards

    Tobias