Over the weekend, Microsoft issued a new advisory concerning the Remote Desktop Protocol (RDP) found in Windows 2000, Windows Server 2003, and Windows XP (both Home and Professional editions). Only computers with RDP services enabled are affected; these include Terminal Services in Windows 2000 and Windows Server 2003 and Remote Desktop Sharing and Remote Desktop Assistance in Windows XP. The reported vulnerability in RDP could lead to a denial of service attack, effectively crashing your computer. There is no patch currently available. Instead, Microsoft recommends using a firewall, specifically to block port 3389, which is used by RDP services, as well as disabling Terminal Services in Windows 2000 and Windows Server 2003 and disabling Remote Desktop in Windows XP Professional. Remote sessions should be carried out using secure Internet Protocol Security (IPSec) or Virtual Private Network (VPN) instead.