[ntp:security] [Bug 2901] Clients that receive a KoD should validate the origin timestamp field.

bugzilla-daemon at ntp.org bugzilla-daemon at ntp.org
Wed Jun 29 10:38:03 UTC 2016


https://bugs.ntp.org/show_bug.cgi?id=2901

Ulrich Windl <windl at ntp.org> changed:

           What    |Removed                     |Added
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                 CC|                            |windl at ntp.org

--- Comment #17 from Ulrich Windl <windl at ntp.org> 2016-06-29 10:38:03 UTC ---
In 4.2.8p8 I got this message (which is not very helpful):
28 Jun 16:04:25 ntpd[17516]: receive: KoD packet from 172.20.16.7 has
inconsistent xmt/org/rec timestamps.  Ignoring.

Maybe more details should be added, like in this message:
28 Jun 16:00:04 ntpd[17516]: receive: Unexpected origin timestamp
0xdb1d0120.83568ef6 does not match aorg 0000000000.00000000 from
sym_active at 172.20.16.3 xmt 0xdb1d0164.82428466

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