[Bug 499394] [NEW] ntp server didn't support mssntp

[Matthieu Patou]

Public bug reported:

Binary package hint: ntp

Current version of ntp (4.2.4p6+dfsg-1ubuntu5.1) in ubuntu do not
support MS SNTP extension.

This extension is needed by Windows workstation in order to trust ntp source from AD server.
Lately the Samba project made great improvement in the next version of Samba: Samba4 which is supposed to be a real replacement to Microsoft Active Directory. In order to act completely as an Domain Controller the Samba4 server must be able to act as a ntp server with the MS SNTP extension.

Version 4.2.6 of ntp (released on 12/12/09)  now include patches for
allowing this extension but must be complied specifically with the
option --enable-ntp-signd to effectively  build this extension.

Building this extension do not mean that it wil be active by default, in fact it has to be opted in by adding the following directive to 
ntp.conf:
restrict foobar mssntp

Where foobar is either default or a  network address.

** Affects: ntp (Ubuntu)
     Importance: Undecided
         Status: New

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ntp server didn't support mssntp
https://bugs.launchpad.net/bugs/499394
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