Your firewall can't stop a DDoS: the latest record hit 31.4 Tbps. Real mitigation happens upstream
In December 2025 the largest DDoS on record was mitigated: 31.4 Tbps, roughly 31,000 times the capacity of a 1 Gbps fibre. By the time that traffic reaches your firewall, the battle is already lost. What RTBH is, why a local blackhole won't save your link, and what to ask your provider.