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Date: Fri, 14 Dec 2001 02:23:32 +0300 (MSK)
From: Yar Tikhiy <yar@comp.chem.msu.su>
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Subject: bin/32816: ntpd/ntpdc incompatibility across the last two versions
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>Number:         32816
>Category:       bin
>Synopsis:       ntpd/ntpdc incompatibility across the last two versions
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 13 15:30:00 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Yar Tikhiy
>Release:        FreeBSD 4.4-STABLE i386
>Organization:
Moscow State University
>Environment:

Machine A runs ntpd and ntpdc 4.0.99b
Machine B runs ntpd and ntpdc 4.1.0-a

>Description:

If the older ntpdc is used to talk to the newer ntpd or vice versa,
a packet format error occurs.  That's while no such incompatibility
has been announced.

>How-To-Repeat:

yar@A$ ntpdc B
ntpdc> peers
***Server reports a format error in the received packet (shouldn't happen)

>Fix:

At least, document the incompatibility.
>Release-Note:
>Audit-Trail:
>Unformatted:

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