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NTP synchronization frequency

papali

Hi all, how can I determine how often my UTM Sophos synchronizes time with the public NTP servers listed in the Management, System Settings, Time and Date, Synchronize Time with Internet Server tab?


Thanks 1000 in advance.



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  • 0

    ntpdc can provide statistics. I'm pretty sure sophos didn't change the adaptive scheme used in vanilla ntpd.

  • 0 in reply to Alan Brand

    Hi  , the commands I launch from ntpdc go into time-out

    <M> sophosutm:/var/mdw/scripts # ntpdc
    ntpdc> host 127.0.0.1
    current host set to 127.0.0.1
    ntpdc> peers
    127.0.0.1: timed out, nothing received
    ***Request timed out
    ntpdc> sysinfo
    127.0.0.1: timed out, nothing received
    ***Request timed out
    ntpdc> exit

    Instead I found ntpq..

    <M> sophosutm:/var/mdw/scripts # ntpq
    ntpq> host 127.0.0.1
    current host set to 127.0.0.1
    ntpq> sysinfo
    associd=0 status=0615 leap_none, sync_ntp, 1 event, clock_sync,
    system peer:        0.europe.pool.ntp.org:123
    system peer mode:   client
    leap indicator:     00
    stratum:            2
    log2 precision:     -20
    root delay:         4.261
    root dispersion:    67.610
    reference ID:       178.215.228.24
    reference time:     e70e467a.e412b052  Thu, Nov  3 2022 14:54:02.890
    system jitter:      4.033772
    clock jitter:       0.870
    clock wander:       0.000
    broadcast delay:    -50.000
    symm. auth. delay:  0.000
    ntpq> peers
         remote                             refid                       st t when poll reach   delay   offset  jitter
    ==============================================================================
     LOCAL(0)                         .LOCL.                     11 l  104  128    1    0.000    0.000   0.001
    +ntp72.kashra-se             93.238.129.164    2 u   13   16   77   11.205   -2.174   0.375
    -85.199.214.99                 ( .GPS.                    1 u   48   16   74   34.513   -5.698   0.486
    +0.europe.pool.ntp.org   .CTD.                       1 u   11   16  177   11.319    3.530   0.431
    *1.europe.pool.ntp.org   .CTD.                       1 u   10   16  177    3.720   -0.587   0.664

    Then, the poll column is the one that indicates the polling intreval? Then the utm synchronizes every 16 seconds?

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