Microsoft Internet Security and Acceleration (ISA) Server 2000 Web Proxy allows remote attackers to cause a denial of service via a long web request with a specific type.Referenceshttp://www.securityfocus.com/archive/1/176912http://www.securityfocus.com/archive/1/177160https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-021http://www.securityfocus.com/archive/1/179986http://www.securityfocus.com/bid/2600https://exchange.xforce.ibmcloud.com/vulnerabilities/6383http://www.ciac.org/ciac/bulletins/l-073.shtml