Verify DNS record would be a good start and make sure the internal Web server is patched as well (MS01-033)... Keep us posted... -----Original Message----- From: Carlos Mauricio Perez Cortes [mailto:mauriciop@xxxxxxxxxxxx] Sent: Friday, August 10, 2001 9:32 AM To: [ISAserver.org Discussion List] Cc: Sistemas Subject: Urgent Help!!! IP spoofing attacks Importance: High http://www.ISAserver.org This is a multi-part message in MIME format..