onfigure TCP/IP security on Windows 2000:

--Select "Network and Dial-up Connections" in the control panel.

--Right-click the interface you use to access the Internet, and then click "Properties".

--In the "Components checked are used by this connection" box, click "Internet Protocol (TCP/IP)", and then click "Properties".

--In the Internet Protocol (TCP/IP) Properties dialog box, click "Advanced".

--Click the "Options" tab.

--Click "TCP/IP filtering", and then click "Properties".

--Select the "Enable TCP/IP Filtering (All adapters)" check box.

--There are three columns with the following labels:

TCP Ports

UDP Ports

IP Protocols

--In each column, you must select the "Permit Only" option. >

--Click OK.

2. Download the MS03-026 security patch for Windows 2000 from Microsoft at: http://download.microsoft.com/download/0/1/f/01fdd40f-efc5-433d-8ad2-b4b9d42049d5/Windows2000-KB823980-x86-ENU.exe

3. Install or update your anti-virus signature software. Look below for direct links to Microsoft Virus Information Alliance (VIA) partners or contact your own anti-virus vendor's web site. You will also find direct links to anti-virus removal tools for this worm. 
