CVE-2000-1182
WatchGuard Firebox II allows remote attackers to cause a denial of service by flooding the Firebox with a large number of FTP or SMTP requests, which disables proxy handling.
Date published : 2001-01-22
http://www.securityfocus.com/bid/1953
http://archives.neohapsis.com/archives/bugtraq/2000-11/0224.html