[CentOS] how to set ntpd listen only ?

MontyRee chulmin2 at hotmail.com
Fri Jun 12 04:17:01 UTC 2009

Thanks for your kind answer.



> Look into the "restrict" commands in ntp.conf to implement security
> policies on NTP. You can find information on how it works on "man
> ntp_acc".

The default restrict config likes below.


restrict default nomodify notrap noquery

If I setup ntpd service as a client not server, above options are sufficient?

I would like to deny any ntpd query packets except reply packets from others because of client.


but it seems that other clients can query the date. 



Thanks in advance.


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