Adrian von Bidder wrote:
On Friday 09 September 2005 19.32, Brad Knowles wrote:
The bigger problem is that many abusive clients become even more
abusive when they are denied access. Many sites in the pool are
already doing firewall-type things locally, and they have found that
when they firewall an abusive client, the situation goes from bad to
worse.
I see this claimed again and again, and always people speak up to deny it.
My experience, too, is that blacklisted clients (drop at firewall) go away
after quite a short time; I've never seen them go berserk.)
Yes, *some* clients may go berserk after being blocked at the firewall, but
apparently not 'many'.
Enough clients go berserk when they don't get a response that I can
tell whenver my ntp server isn't responding to queries since the number
of incoming packets doubles.
Like last saturday on this graph: http://vash.nonexiste.net/~FT/ntp-week.png
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