TWC (AS11351) blocking all NTP?

William Herrin bill at
Tue Feb 4 20:01:09 UTC 2014

On Tue, Feb 4, 2014 at 2:48 PM, Majdi S. Abbas <msa at> wrote:
>         Are you willing to warrant the source, destination and lawful
> purpose of every single frame exiting your network?

Yes, no and no respectively. As a BGP leaf node, I can guarantee that
no packets leave my network from a source address that isn't mine.

The destination I can't control -- my software will respond to any
apparently legitimate external query. As for legal, even if I'm
fortunate enough to never have a customer hijacked into a botnet,
there are a vast number of legal systems in the world and no practical
way to be sure that a given communication is legitimate in all of

But by golly I have total control over the source address in packets
leaving my network.

Bill Herrin

William D. Herrin ................ herrin at  bill at
3005 Crane Dr. ...................... Web: <>
Falls Church, VA 22042-3004

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