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🦑what is 3389 port detailed introduction by undercode
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1) 3389 originally refers to the 3389 port of the computer, which is generally used to refer to the remote desktop and can be modified. It is not a Trojan horse program, but if it is not necessary, the hacker base recommends shutting down the service. Originally refers to the 3389 port of the computer

2) Because it belongs to the initial port of the remote desktop of WINDOWS [can be modified]

3) 3389 is generally used to refer to the remote desktop

4) Microsoft's remote desktop is set to facilitate the majority of computer administrators to remotely manage their own computers,

5)But as long as there is a management password, 3389 can provide services for anyone with a management password ...

6) Most hackers like to open a 3389 on the broiler,

7) Because 3389 is the normal service of the system, it is also very convenient to use.

8) It can achieve the same effect as the remote control software such as Grey Pigeon, the main thing is that it is a normal service ...

9) 3389 is easy to get through various scanning tools (such as superscan \ x-scan, etc.). Because some computer users lack security awareness, they often leave the administrator \ new account password blank, so that rookies can use mstsc.exe to log in to others in GUI mode. In order to prevent others from using 3389 to log in to the computer, it is best to set a password for each account or close the port with a firewall. 3389 is recommended to close.

🦑 To close port 3389:

10 ) Firstly, port 3389 is the port opened by the remote management terminal of windows. It is not a Trojan horse program. Please make sure whether the service is opened by yourself. If it is not necessary, it is recommended to close the service.

11) win2000 server Start-> Programs-> Administrative Tools-> Terminal Services is found in the service, select the property option to change the startup type to manual, and stop the service.

12) win2000 pro start-> Settings-> Control Panel-> Administrative Tools-> find Terminal Services service item in the service, select the property option to change the startup type to manual, and stop the service.

13) How to close windows xp: Right-click on my computer and select Properties-> Remote, remove the ticks in the two options box of Remote Assistance and Remote Desktop.

14) Close port 3389 through the registry

15) start operation

Type regedit to open the registry

[HKEY_LOCAL_MACHINE \ System \ control \ Terminalserver \ wds \ rdpwd \ tds \ tcp branch, select the key value named portnumber, change its 3389 to other (such as 1234) look at my operation here, there are 2 control controlcontrol001 One by one advanced controlSET001 then controlSET002

16) Below we are looking at currentcontrolset

[HKEY_LOCAL_MACHINE \ System \ currentcontrolset \ control \ Terminalserver \ winstations \ RDP-Tcp \ PortNumber branch should have one or many similar subkeys, the same change his value 3389 to other (such as 1234)

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