Has anyone else gotten hit by this and know how to stop it? the new dats from McAffee have not effect....of course...and I can't find a tool anywhere. Does anyone have any ideas? Wes Vaux, CCNA, CCDA Network Security Engineer, 9000 Regency Pkwy Ste 500 Cary, NC 27511 t 919.463.6782 f 919.463.1290 Global Knowledge Experts Teaching Experts http://www.globalknowledge.com -----Original Message----- From: Daniel Senie [mailto:dts@senie.com] Sent: Wednesday, August 20, 2003 12:37 PM To: nanog@merit.edu Subject: Re: To send or not to send 'virus in email' notifications? Notifications from virus scanners is backscatter, just the same as the backscatter generated by Smurf attacks. The virus scanners are contributory technology in the conduct of a denial of service attack in exactly the same way as having directed broadcasts enabled on your routers was (read RFC 2644 for the details). Please let's stop building technology that aids in the conduct of DoS attacks.