On 4/11/02 5:45 AM D.Stout_at_EU.HNS.COM said...
> Has anybody else had an IGMP DoS attack starting at 5:23 CET ?
> Does anybody know what causes this ?
> What are the implications of this (other than pure bandwidth
>consumption)
>
> I will continue to search for info, but please help me if you know what
>this is.
While you might be using multicast on your LAN, are you actually wanting
to use that over your WAN link? Does you upstream support it? _Very_
few do. If you're not wanting mcast in or out of your WAN link, block
it.
Justin
--
Justin Shore, ES-SS ES-SSR Pittsburg State University
Network & Systems Manager Kelce 157Q
Office of Information Systems Pittsburg, KS 66762
Voice: (620) 235-4606 Fax: (620) 235-4545
http://www.pittstate.edu/ois/
Warning: This message has been quadruple Rot13'ed for your protection.
----------------------------------------------------------------------------
This list is provided by the SecurityFocus ARIS analyzer service.
For more information on this free incident handling, management
and tracking system please see: http://aris.securityfocus.com
Received on Apr 11 2002