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Re: Ntp not working

On Wed, Jun 20, 2018, 5:33 PM Mike <debian@xxxxxxxxxx> wrote:
On Wed, Jun 20, 2018 at 04:50:34PM +0300, David Baron wrote:
> Attached ntp.conf
> Attached service.text

OK, so your NTP servers are:

pool 0.debian.pool.ntp.org iburst
pool 1.debian.pool.ntp.org iburst
pool 2.debian.pool.ntp.org iburst
pool 3.debian.pool.ntp.org iburst

What happens if you do:

ping 0.debian.pool.ntp.org


Most likely you are blocking UDP/123.  However, if you fail to resolve
the IP when you ping it, you have a DNS issue.


123 udp allowed both ways.
The destination is resolved do dns ok.
Ping still fails, unreachable,sendmsg operation not permitted.