#32 Stratum level for client


It's seems that changing STRATUM level provided to ntp client will be very usefull.
I know this feature was already been requested, but...
I am a network engineer and use NetTime during installation of Cisco Call Manager. This product needs to have a NTP server with stratum lower that 5 to be valid.
Why don't use automatically stratum level (ie external NTP server stratum minus 1) for NetTime's client ?
Thanks a lot


  • Mark Griffiths

    Mark Griffiths - 2014-04-01

    The reason why it doesn't use an automatic stratum level is that the relevant RFC recommends that SNTP clients (such as NetTime) shouldn't act as servers to full NTP implementations and so should have higher stratum levels.

    I'll look at adding this into the next version with a suitable warning that the server should only be used for clients under your own control and should be firewalled off so that other servers on the Internet can't try to sync to it.

  • Gilles

    Gilles - 2014-04-01

    Hi Mark,
    Thank you for your reponse.
    If you want to secure this fonctionality, may be you can shadow it and allow it only with special registry key for advertised person that know exactly what they do.
    NetTime is very usefull for me thanks again for your dev.
    Best regards.

    • Mark Griffiths

      Mark Griffiths - 2014-04-02

      That makes a lot of sense so I think I'll do it that way.


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