[Bug 202016] ntpdc -pn is broken, FreeBSD 10.2-RC1

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Wed Jul 4 15:26:01 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202016

Ian Lepore <ian at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ian at FreeBSD.org
         Resolution|---                         |Works As Intended
             Status|New                         |Closed

--- Comment #3 from Ian Lepore <ian at FreeBSD.org> ---
The ntpdc tool communicated with ntpd using "mode 7 private control packets", a
feature which is no longer supported by ntpd because of sercurity concerns
(this comes from the upstream ntp project, who documented ntpdc and mode 7
packets as depracted some time ago).

Everything that used to require ntpdc can now be done using ntpq, which uses
supported mode 6 packets.

You might reasonably ask why ntpdc is still distributed as part of ntp (I sure
wonder why), but I suspect only the ntp project folks could answer that.

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