Hello.

On 25.03.2014 08:21, col wrote:

> a few weeks ago i spun up an NTP server using a droplet (VPS) with
> DigitalOcean.

I did the same with a node in Singapore. No problems until today.

But now they (or their upstreams) started blocking NTP at the network
edge. I confirmed that with UDP traceroutes on ports 123 (blocked) and
124 (goes through) from either side.

http://www.pool.ntp.org/scores/128.199.243.248

I opened a support ticket and wait for a response from the networking
team. I suspect a misfired attempt at stopping DoS attacks and hope they
refine the filters soon.

> http://www.pool.ntp.org/scores/188.226.191.87

Looks like they don't filter NTP in Amsterdam.

Does anyone else have a Digital Ocean server and sees NTP filtered?


Hauke.

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