Re: Yahoo offline because of attack (was: Yahoo network outage)

[John Payne <john+nanog () flea ibm net>]

On Wed, Feb 09, 2000 at 12:02:42PM +0100, Havard.Eidnes () runit sintef no wrote:
> May I suggest that we all get off our collective butts and do
> something about these items?  Even by going so far as to proactively
> probe our customer networks and/or extracting info from the list
> available from the above site?

... and actively use the logs to contact peers when they're used as amplifiers
against you, rather than just filtering?

Does anyone have a CIDR to broadcast address script handy?
(the network address is part of the CIDR format :-)


-- 
John Payne                              jcapayne () att com
OpenNet Infrastructure Team, AT&T Global Network Services 
Mailpt C2E, c/o IBM North Harbour, PO Box 41 Portsmouth, PO6 3AU
Tel - +44 (0)23 9256 1977, Fax - 23 9221 0543