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Forum Discussion
steveoelliott
Nov 30, 2014Luminary
CHRONYD Errors: Can't synchronise: no reachable sources
Any idea what these are? Going through my logs today, I see these periodically... Feb 6 06:30:36 despair chronyd[3235]: Selected source 209.249.181.22 Feb 6 08:34:24 despair chronyd[3235]: Can't...
StephenB
Nov 30, 2014Guru - Experienced User
Well, the NAS is rejecting the packets, which is the good news. NTP is a very old protocol, and not as secure as it should be. Since fast responses are essential to its operation, it is not the easiest protocol to secure. http://blog.cloudflare.com/understandin ... s-attacks/ provides some information, but there's not much that a client can do except reject/ignore packets from servers it isn't using.
You probably should escalate to netgear support, as there could be security issues in their servers (though there are other possibilities).
You could find alternative NTP servers in your geography, and see if that changes anything.
You probably should escalate to netgear support, as there could be security issues in their servers (though there are other possibilities).
You could find alternative NTP servers in your geography, and see if that changes anything.
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