Search results

I did it earlier at the data center level. Now I did as you wrote and I will test. Thanks! And if I disable all firewalls does it help?

I didn't ask for a manual check, but the server has restarted many times. Unfortunately, more than three weeks later, I received the message again. And this time the number of unallowed MACs was 9. And I did not find any of them on my system, but before I could find them using the command...

I was helped by the solutions that Spirit provided. Messages from Hetzner had never been received again for three weeks. Thanks!