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Any experience with an excessive number of ThunderVPN hits?

I recently set up a new XG firewall at our main branch location in order to assist with IPS and application control service.   I am currently using the "Block high risk (Risk Level 4 and 5) apps" setting for app control.

What I am noticing is a large amount of ThunderVPN hits on our network, and I'm at a bit of a loss on what could be causing this traffic.  I'm glad they are being blocked, but I wanted to see if anyone had any experience with this and what might be utilizing this service.

Our entire network consists of Dell workstations and the traffic is coming from various IP addresses, not just one machine.

Thanks in advance for any information!



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  • Yes, i am experiencing a large amount of Thunder VPN hits as well. See this image from today 8.55 AM (CET)

    In my case it are all IoT devices, Ubiqiti AP's and so on. All trying to connect to NTP servers.

    Strange thing was that yesterday my Lets encrypt SSL certification tool (Certify the Web) started to complain about not being able to connect to the time.windows.com server....

    Something strange is going on. 

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  • Yes, i am experiencing a large amount of Thunder VPN hits as well. See this image from today 8.55 AM (CET)

    In my case it are all IoT devices, Ubiqiti AP's and so on. All trying to connect to NTP servers.

    Strange thing was that yesterday my Lets encrypt SSL certification tool (Certify the Web) started to complain about not being able to connect to the time.windows.com server....

    Something strange is going on. 

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