Some time ago I sent question to EU about DOS/DDOS protection because I believe ISPs could do a bit more to protect us: Dear Sirs, I found you are responsible of creating safe, reliable Internet. As you know most of EU companies already had or they will have problems with hackers. One of the attacks is commonly known as Denial of Service Attack or Distributed Denial of Service Attack (DOS, DDOS). 15 years ago one document was published, knows as Best Current Practice 38 (BCP 38 or RFC 2267). I don't know why it has not been widely implemented by ISPs during last 15 years. They complained it is very time consuming and difficult to manage. Let me explain how it works: - every company or home user has IP address or range of IP addresses allocated by ISP (for example 7.7.7.7) - every edge router is managed by the same ISP who allocates these IP addresses - BCP 38/RFC 2267 says: block any traffic from network (company or home) where source IP is different fro