Thomas Hauck Jana Server 2.x through 2.2.1, and 1.4.6 and earlier, allows remote attackers to cause a denial of service (resource exhaustion) via a large number of FTP PASV requests, which consumes all available FTP ports.Referenceshttp://archives.neohapsis.com/archives/bugtraq/2002-07/0329.htmlhttp://www.securityfocus.com/bid/5325http://www.iss.net/security_center/static/9687.php