DDoS protection articles

Something wrong with direct hyperlinks on some resources, so I'll try to collect my antiDDoS articles here.

English:
Protect You and Others from DDoS. Make Your Network "Cleaner" Part 1. DNS Amplification
Protect You and Others from DDoS. Make Your Network "Cleaner" Part 2. NTP Amplification


Russian:
Защита от DDoS подручными средствами. Часть 1. DNS Amplification
Защита от DDoS подручными средствами. Часть 2. NTP Amplification
Защита от DDoS подручными средствами. Часть 3. SNMP Amplification