|Re: [chrony-users] Run chrony without acting as a NTP server|
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On Wed, Jan 08, 2014 at 12:26:06PM -0800, Bill Unruh wrote:
> Note that you CAN use the port directive to tell chrony to listen to
> a non-standard port, rather than 123. Thus noone else in the world would then
> know which port to attack. With the directive port 0 not even you would know,
> since chrony would ask the kernel for a random port.
Yes, you can get a "client only" mode by letting the kernel assign the
local NTP port randomly. I think that's what openntpd does. Also, the
cmdmon port (323) doesn't need to be open to outside. In the config
file that would be:
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