Hi again,
I discovered strange behavior when using ntpd with asymetric keys and 
IFF scheme. I have server and client configured as below:

client:
        crypto pw 130 ident IFF
        enable auth
        keysdir /etc/ntp
        server 192.168.1.200 autokey minpoll 4 maxpoll 4 noselect

server:
        enable auth
        crypto pw 140 randfile /root/.rnd
        restrict 192.168.1.210 notrust
        keysdir /etc/ntp

After a few days working correctly I've noticed today something like 
that in ntpq on the client:


     remote           refid               st  t  when poll reach     
delay   offset     jitter
==========================================================
 192.168.1.200   .CRYP.          16 u  11h   16           0    0.000    
0.000   0.000


The interesting thing is that after restarting ntpd on client everything 
works correctly again. I didn't change any configuration of ntp or keys, 
it was just working for a few days continuously.

Did anyone saw something like that before ?

Thank you,
best regards,
Grzegorz Daniluk
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