DDoS attack. Being under a DDoS attack we have changed the IP for Gcore's one but we still have problems with site performance - Knowledge Base

DDoS attack. Being under a DDoS attack we have changed the IP for Gcore's one but we still have problems with site performance

Possible causes:

Some DNS servers haven't yet updated the records (it depends on TTL), and not all traffic has been redirected to Gcore for filtering. You need to wait.
You haven't changed your real IP address to a new one after you had enabled Web Protection. It means that an attacker knows it, so you need to request a new IP address from your hosting.
You haven't restricted access to your server. Contact your hosting provider or use a firewall to set up ACL.

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