Kerberos/NTP, Global deployment

Lawrence MacIntyre lpz at
Wed Feb 12 14:37:37 EST 2003


>From RFC 1510:

KerberosTime ::=   GeneralizedTime
                              -- Specifying UTC time zone (Z)

   The timestamps used in Kerberos are encoded as GeneralizedTimes.  An
   encoding shall specify the UTC time zone (Z) and shall not include
   any fractional portions of the seconds.  It further shall not include
   any separators.  Example: The only valid format for UTC time 6
   minutes, 27 seconds after 9 pm on 6 November 1985 is 19851106210627Z.

(In other words, kerberos will be fine working across time zones)

On Wed, 2003-02-12 at 14:18, bacolod at wrote:
> got it (the NTP part)...
> Does Kerberos also work on UTC?  Is there any special configuration required to make Kerberos work across differnt time zones?
> Thanks for the quick reply.
> -bacolod
> On Wed, 12 Feb 2003 10:54:05 -0800 Lawrence MacIntyre <lpz at> wrote:
> >NTP works on UCT (Universal Coordinated Time) and uses offsets to
> >determine the local time.  (In other words, kerberos will be fine
> >working across time zones).
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     Lawrence MacIntyre     865.574.8696     lpz at
                Oak Ridge National Laboratory
Center for High Performance Information Infrastructure Technology
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