2
votes
1answer
112 views

Why don't servers vulnerable to NTP and DNS reflection attacks get blacklisted immediately?

With these reflection attacks, the source IP should be the IP of the vulnerable server. So shouldn't nodes which see abnormal amounts of NTP data be able to add the source to a blacklist and therefore ...
8
votes
4answers
3k views

Is NTP vulnerable to DNS poisoning or spoofing attacks?

Scenario: Attacker somehow compromises the DNS lookup for the NTP server used by the victim (a web application) Victim sends DNS request for e.g. ntp.pool.org, which is responded to by attacker to ...