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invalid tcp reserved bit problem

Daniel Bizzarro

Hi all, 

I've a big issue with a XG125 (SFOS 18.0.5 MR-5-Build586) of one of my customer.

in the enviroment are present one distribution robot, connected to the lan via a cisco 800 router, in the lan all work fine.


This cisco router is used by the the robot supplier. also to create a vpn tunnel for the remote support. 

now the problem is that:

The sophos xg mark as invalid trafic with "denied" sub status  most of the package with the message "nvalid TCP reserved bit."

I've tried all but I, dont have found a solution, also i've bypass the statefull firewall for the host and the address 
below the advanced configuration but no luck.

Someone can help me?



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  • 0

    Hello Daniel,

    Thank you for contacting the Sophos Community.

    I see you had two cases created for this, one that mentioned the issue isn’t with the Sophos device, but the escalation engineer requested some logs and captures to investigate more about this, the engineer sent you what the escalation engineer requested but there wasn’t follow-up from your end.

    I would recommend you open a new case and gather all the information was requested in the last email. When doing that please reference the 2 cases you opened before.

    Regards,

     
    Emmanuel (EmmoSophos)
    Technical Team Lead, Global Community Support
    Sophos Support Videos | Product Documentation  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'Verify Answer' link.
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  • 0

    Hello Daniel,

    Thank you for contacting the Sophos Community.

    I see you had two cases created for this, one that mentioned the issue isn’t with the Sophos device, but the escalation engineer requested some logs and captures to investigate more about this, the engineer sent you what the escalation engineer requested but there wasn’t follow-up from your end.

    I would recommend you open a new case and gather all the information was requested in the last email. When doing that please reference the 2 cases you opened before.

    Regards,

     
    Emmanuel (EmmoSophos)
    Technical Team Lead, Global Community Support
    Sophos Support Videos | Product Documentation  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'Verify Answer' link.
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