How to control various ports in Win2000 system?

In Start-Run, enter cmd to open the command line interface, enter the command [netstat -ano] and press enter, and all port occupancy will be displayed.

You can also turn on the 360 Traffic Firewall to view local processes and port usage.

Ports are not used for non-program purposes. It's better to find a program with the corresponding function.

Control Panel - Windows Firewall - Exceptions - Add Port, write the port name as you like, enter the port number and you're good to go.

When installing 2000 and XP, the computer will have the ports open by default when installing the operating system, so you don't have to worry about this.

Win7, Win8, Win10 process.

1. Open Control Panel - System & Security - Windows Firewall, and click on the left side to start or disable Windows Firewall.

2. Select Start Firewall and click OK.

3. Click Advanced Settings.

4. Click Inbound Rule to create a new rule.

5. Select the port, Next.

6. For a specific local port, enter 445 and go next.

7. Select Block Connection, Next.

8. Profile, Select All, Next.

9. The name can be entered arbitrarily and completed.

The process flow of the XP system.

1. Open Control Panel, Security Center, Windows Firewall, and select Enable 2. Click Start, Run, enter cmd, and confirm the following three commands: net stop rdr, net stop srv, and net stop netbt

1. First of all, open the control panel of your computer, and then find the firewall in the control panel;

2. Select Advanced Settings on the left side of Firewall Settings;

3. In the advanced security settings, we click to select the inbound rule on the left;

4. Select and click New Rule in the right sidebar;

5. When to apply the rules, select all by default;

6. Port name and description, self-proposed;

7. After exiting, we will see the created inbound rule, which is allowed by the port.

1. Select "System Security" in the control panel;

2. Select Windows Protective Wall;

3. Click "Advanced Settings";

4. Select "Inbound Rules";

5. Click "Operation" and select "New Rule".

6. Click "Protocols & Ports", select "Ports", and then click "Next".

7. Write the port number you want to open;

8. Select "Allow Connection" and click "Next".

9. Press the default selection, no operation is required, click "Next";

10. Name the port name, click Finish, that is, the operation is completed;

Try logging out and logging in again, using your administrator account to see if you can enter the system?

But it is estimated that it should be locked, in this case, one is that you find the network manager to help you install it, and the other is to crack the administrator password.

As for cracking the password, the easiest way is to enter DOS, and delete a text file named SAM under the C drive.

You can see it by logging in with the admin user or add your users to the admin group (with the admin login, set in the Control Panel, User Management).