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Sophos XG 18.5.1 MR-1-Build326 loosing LAN (Port1) connection after a few minutes.

CalebJosh

I'm using a VM of Sophos XG 18.5.1 MR-1-Build326. It was running ok for months without a problem.

Just this today its loosing LAN (Port1).connection after a few minutes, it will just timed out. Only a reset of the appliance will bring back the LAN connection. But a after a few mins it will timed out again.

WAN (Port 2) is ok as I can ping the router's gateway from console.

Hope you can help.

Thanks,

Chris



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  • 0 in reply to rfcat_vk

    Other VMs using the same virtual NIC are ok. I also tried moving it to another host and same problem. I was suspecting a DoS or DDoS from internal network, that overwhelming the internal NIC.

    I can confirm that XG is working as I can access it from externally via WAN NIC.

    Any suggestion to confirm if it is a DoS or DDoS attack and how to prevent it?

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