An anonymous reader wrote in to say that " The RIPE meeting got off to a good start yesterday (for those of you outside Europe, RIPE is the European counterpart to ARIN). Emin Sirer from Cornell presented his study of DNS vulnerabilities. The results are staggering: the average name depends on four dozen nameservers, 30% of domains are vulnerable to domain hijacks by simple script kiddies, 85% of domains are vulnerable to hijacks by attackers that can DoS two hosts. The lesson: DNS must be managed by professionals, and the pros have to pay attention to the DNS delegation graph when they set up name servers."
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