We are being DDoS’d by someone who is asking for money and I will not do that.
He claims to be using ESSYN which abuses connection packets so if you block the IPs it blocks real users. And it is a high numbers of IPs.
I am with OVH and I have permanent mitigation on. But this attack is not being mitigated, I have been down for 2 days. I have contacted OVH and they said “it should of been mitigated, maybe add some firewall rules to help”. I have got a number of OVH firewall and windows fire wall rules on my dedicated server but that does not seem to help.
Any ideas how to stop this or firewall rules to help stop this, please post. I don’t think I am the only one having this problem.