SynopsisThe remote NTP server responds to mode 6 queries.
DescriptionThe remote NTP server responds to mode 6 queries. Devices that respond to these queries have the potential to be used in NTP amplification attacks. An unauthenticated, remote attacker could potentially exploit this, via a specially crafted mode 6 query, to cause a reflected denial of service condition.
SolutionRestrict NTP mode 6 queries.