How to protect your MU Online server against DDoS
Complete guide to protecting a MU Online private server from DDoS attacks: why MU servers are frequent targets (competition, revenge, extortion), the types of attacks used against MU servers (volumetric UDP/TCP, SYN flood, DNS amplification, HTTP flood), the layered protection strategy (hosting with anti-DDoS, hiding the real IP, Windows Firewall hardening, rate limiting), how attackers discover your server's IP through the website, DNS, and client analysis, which ports should be open vs permanently closed (never open TCP 1433 or UDP 1434 to the internet), how to choose a hosting provider with real anti-DDoS protection, what to do during an active attack (communicate, don't panic, don't expose the IP), and how to evaluate your protection after an attack.