Open Letter to D-Link about their NTP vandalism

Tue Apr 11 16:00:58 UTC 2006

To keep this operational: Operationally the network operator should 
contact a lawyer before doing something like this.

Purposely and knowingly sending bad data in order to do harm is a 
counter-attack. As such it might be vigilantism, which is illegal in 
most countries. Or it might be self-defense, which is not illegal. 
Might. Contact a lawyer.

John

At 07:36 PM 4/10/2006, Simon Lyall wrote:

>On Mon, 10 Apr 2006 Valdis.Kletnieks at vt.edu wrote:
> > One particular piece of crapware of the tucows archive variety would retry
> > once per second if it hadn't heard a response - but a ICMP Port Unreachable
> > would trigger an *immediate* query, so it would basically 
> re-query at whatever
> > the RTT for the path was.
>
>I've said in other forums the only solution for this sort of software is
>to return the wrong time (by several months). The owner might actually
>notice then and fix the problem.
>
>Just not returning anything means the time still works on the querying
>device (especially if it uses multiple servers) and the problem will not
>be noticed and it will continue.
>
>--
>Simon J. Lyall  |  Very Busy  |  Web: http://www.darkmere.gen.nz/
>"To stay awake all night adds a day to your life" - Stilgar | eMT.