how to defend against (D)DOS
Hi everyone,
this is not a technical issue but a desparate call for advise.
Our Sophos UTM-firewall (firmware version: 9.816-2) is suffering from a (D)DOS-attack that is going on for several days now. Since our internet-connection only comprises of…
Enabling Anti-DoS/Flooding slows download speed by over 300 Mbps. Does that seem right?
The network in question was getting DDoS attacks almost daily so IPS was enabled and configured which stopped the attacks. In the Anti-DoS/Flooding tab TCP SYN Flood Protection, UDP Flood Protection, and ICMP Flood Protection have all been applied. Since…