Modify server telnet port to server security

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In the case of hackers, scan port intrusion is a common means, the bulk scan database, weak password, such as 1433 (Mmsql database default port), 3306 (MySQL database default port), and so on, and the first step of batch scan intrusion is to scan 3389 telnet port, through this port, You can determine whether the IP is alive, is not the server, is not a WAN, so through the first step of the filter, you can get some useful IP data information. And to penetrate more deeply

1. Start-run-regedit-OK. Open the registry.

2. Expand HKEY_LOCAL_MACHINE, expand System, expand CurrentControlSet, expand Control, expand Terminal Server, expand WDS, expand Rdpwd, expand TDs, click TCP, Select the Portnamber value and right click Modify.

3. Select Decimal, and then see the numeric data (default is 3389), modified to other, such as 5000. Next, you have to change one.

4. Expand HKEY_LOCAL_MACHINE, expand System, expand Currentcontro1set, expand Control, expand Tenninal Server, expand Winstations, Select RDP. Locate and select the Portnamber value and right-click to modify it. Also select decimal, modify numeric data. It's the same as the top. After modification, save.

This will be modified, save well, restart the server before it takes effect. and then log in. Fill in the IP: port number, so that you can connect. Although the trouble is some, it is worthwhile to be safe.

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