Chandan Laskar wrote:

Hi,

We are planing to deploy Network Time Server in our Organization.

According to the architecture , Stratum 2 server will be responsible to
provide correct time to Stratum 3 server and client ( Other servers) will
synchronize with Stratum 3 server for obtaining correct time. Stratum 2
server will synchronize with Stratum 1  server.

We will use NTP 4.2.6p3

Is it mandatory to open UDP port 123  between Stratum 2 and Stratum 3
server also between Stratum 3 and Client Machine for time synchronization?


Can we use any customized port instead of UDP 123 for time
synchronization?

You _can_ change the port number, but only by patching and costum compiling your own version of the NTP source code.

I.e. the answer is effectly: "No, you cannot change: Port 123 is the time sync port!"

Terje

--
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"

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