Samba 4 NTP Server Abilities

Andrew Bartlett abartlet at
Sun Sep 18 20:39:49 MDT 2011

On Sun, 2011-09-18 at 14:23 -0500, Ted Salmon wrote:
> Hello,
> I see that Samba 4.0 has a built in NTP server however when I try to
> query it the server does not respond at all.  I have verified
> connectivity from the client using telnet to the server on port 37 and
> received garble (as with the regular NTP server) then a closed
> connection by the host. Is the NTP server specific for Win32 machines
> or are there any special parameters that need to be added to smb.conf
> to allow for its functionality?

Samba 4.0 does not have an NTP server, but instead we worked with the project to support being the authenticator for MS-SNTP packets.
To use the server, the clients must be marked with mssntp in the ntp

restrict foobar mssntp

Where foobar is either default or a network address.

Andrew Bartlett

Andrew Bartlett                      
Authentication Developer, Samba Team 

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