How to disable ports to prevent viruses and hacker intrusion

By default, many windows ports are open. When you access the Internet, network viruses and hackers can connect to your computer through these ports. To change your system to a copper wall, close these ports. Next we will introduce how to disable these Network Ports in WINXP/2000/2003: Step 1, click "start" menu/settings/control panel/management tools, and double-click to open "Local Security Policy ", select "IP Security Policy, on the local computer", right-click the blank position in the right pane, and select "create IP Security policy" (as shown in the right figure) in the shortcut menu ), A wizard is displayed. Click "Next" in the Wizard to name the new security policy. Then, press "Next" to display the "Secure Communication Request" screen, remove the hooks on the left of "Activate default rules" on the screen. Click "finish" to create a new IP Security Policy. Step 2: Right-click the IP Security Policy. In the "properties" dialog box, remove the hook on the left of "use add wizard" and click "add" to add a new rule, then, the "new rule attributes" dialog box appears. Click the "add" button on the screen to bring up the IP Filter list window. In the list, remove the check on the left of "use add wizard, then, click "add" on the right side to add a new filter. Step 3: Go to the "Filter Properties" dialog box. First, you will see addressing. Select "any IP Address" as the source address, select "my IP Address" as the target address, and click the "protocol" tab, in the "select protocol type" drop-down list, select "TCP" and enter "135" in the text box under "to this port ", click the "OK" button (such as the picture on the left) to add a filter to shield the TCP 135 (RPC) port, which can prevent the outside world from connecting to your computer through port 135. Click "OK" and return to the filter List dialog box. A policy has been added, repeat the preceding steps to add ports 135, 139, 445, 593, 1025, 1028, 2745, 3127, 3389, UDP 3874, 6129, 123, 135, 137, and 138 ports 1048, 1124, 1900, 2587, 2588, 4500, 9730, and, create a filter for them and click "OK. Step 4: In the "new rule attributes" dialog box, select "new IP Filter list" and click a dot in the circle on the left to indicate that the IP address has been activated, click the filter action tab. On the "Filter Operations" tab, remove the hooks on the left of "use add wizard" and click "add" to add the "Block" Operation (right ): on the "Security Measures" tab of "New Filter operation properties", select "Block" and click "OK. Step 5: Enter the "new rule attributes" dialog box and click "New Filter operation". A dot is added to the circle on the left to indicate that the operation has been activated. Click "close" to close the dialog box; return to the "new IP Security Policy attributes" dialog box, tick the left side of the "new IP Filter list", and click "OK" to close the dialog box. In the "Local Security Policy" window, right-click the newly added IP Security Policy and select "Assign ". If the system prompts a problem, start, set, control panel, management tools, and services, and set IPSec services to "automatic ". After the restart, the above network ports on the computer are closed, and viruses and hackers can no longer connect to these ports, thus protecting your computer. We have not heard of any patch downloads.