On Wed, Jun 20, 2018, 5:33 PM Mike <deb...@norgie.net> 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. > > Mike. >
123 udp allowed both ways. The destination is resolved do dns ok. Ping still fails, unreachable,sendmsg operation not permitted. >
