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meta-openembedded/meta-networking/recipes-support/ntp
Yi Zhao 2401ade3c4 ntp: restrict NTP mode 6 queries
The current NTP server responds to mode 6 queries from any clients.
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.

See: https://www.tenable.com/plugins/nessus/97861
     https://scan.shadowserver.org/ntpversion/

Update ntp.conf to restrict NTP mode 6 queries.

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
2020-01-03 13:56:00 -08:00
..
2020-01-03 13:56:00 -08:00