Как уже писалось раньше о ддосах.

Приходит сообщение от дата-центра:

Dear Customer,

Our system has intervened to block an incoming
attack on server ns3066503.ip-79-137-70.eu and more
precisely, on the IP address 79.137.70.1.

This address is now protected for a period of
1 hour.

This state will be maintained until 2017-11-04 21:06:17.

For more information, please contact
our technical service.

И техник активирует дополнительную защиту:

Dear Customer,

The intervention on ns3066503.ip-79-137-70.eu has been completed.

This operation was closed at 2017-11-04 20:38:34

Here are the details of this operation:
Server check
Date 2017-11-04 19:24:17, michal M made Server check:
Server founded not pinging

There was 732.78 Mbps of incoming network traffic after mrtg scan

I decided to activated the network protection

Server is pinging again