RE: time update through UDP port 123
- From: "Don McCall" <DMcCall@xxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 22 May 2002 13:54:02 +1000
Hi Soltan
This is what I have done and it works fine. Instead of the names I have
used the IP addresses of the servers.
On the ISA under protocol rules there is a protocol rule called
<?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" />
âServer name Time accessâ This allows access outside for the NTP
protocol for Server name to request time synchronisation from an NTP
server. In this case we are using CSIRO NTP server here in Sydney
Then under packet filters there is a custom filter,
âDomain time allowâ allows NTP send receive to CSIRO NTP on port 123 UDP
NOTE the local Host is the outside interface of the ISA server
-----Original Message-----
From: Zoltan Szaraz [mailto:szaraz@xxxxxxxxxxx]
Sent: Wednesday, 22 May 2002 7:37 AM
To: [ISAserver.org Discussion List]
Subject: time update throught UDP port 123
Hi,
Where can I define to allow to use port NTP (123 UDP) only one computer
from LAN to only one computer (server) in Internet?
I find only in Protocol rules, where I can modify only IP from LAN and
for every destination.
I need to define only one IP for destination.
zoltan szaraz
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