[Pool] OVH enabled VAC on all port 123 packets

Erwan David erwan at rail.eu.org
Tue Feb 25 06:58:12 UTC 2014

On Mon, Feb 24, 2014 at 11:33:49PM CET, James Hartig <fastest963 at gmail.com> said:
> In case you missed it, OVH enabled VAC on port 123 packets to prevent their
> network from assisting in DDoS attacks utilizing NTP amp.
> I run my pool server behind OVH and haven't seen any issues yet. They
> appear to only be filtering monlist commands, yet allowing queries and
> peers. I checked openntpproject for the /24 I'm on ( and
> there's no results, but, on other similar networks there are still
> offenders
> http://openntpproject.org/search2.cgi?botnet=yessir&search_for=
> .
> Thanks,

What do you mean by 'VAC' ?

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