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This article introduces how to annotate the remote Desktop Protocol RDP, the content is very detailed, interested friends can refer to, I hope it can be helpful to you.

First of all, understand the meaning of remote desktop: it is convenient for windows server administrator to manage the server remotely based on graphical interface.

Remote Desktop is based on RDP (Remote Desktop Protocol remote Desktop Protocol).

The following is a note about the remote Desktop Protocol RDP

Concept

Remote Desktop Protocol (RDP) is a multi-channel (multi-channel) protocol that allows users (called clients or 'local computers') to connect to computers that provide Microsoft terminal services (called servers or 'remote computers'). Most versions of Windows have the software required by the client. Some other operating systems also have these client-side software, such as Linux, FreeBSD, Mac OS X. Server computers listen to the data sent to TCP port 3389.

The design of RDP is based on the ITU T.share protocol (also known as T.128). Since its development, each version is roughly

Version 4. 0: this is the first version. Along with Terminal Services (Terminal Services), it appears in Windows NT 4. 0 Server, Terminal Server Edition.

Version 5. 0: provided by Windows 2000 Server. Many new features have been added, including printing to client printers, improvements in network bandwidth use, and so on.

Version 5.1: provided by Windows XP Professional. Support 24-bit color display and sound support.

Version 5.2: provided by Windows Server 2003, including console mode connections, session directory, and references to client resources. Both Windows CE 5.0 and 6. 0 have client-side parts of this version. (Windows CE has no function as a server)

Version 6. 0: this is the latest version and must have Windows Vista or Windows Server 2008. Includes many major improvements, most notably the ability to use a single application remotely instead of the entire desktop; and 32-bit color display support.

Function

A variety of display support, including 8, 15, 16, 24, 32 bit color.

128bit encryption, using RC4 encryption algorithm (this is a default encryption method; older clients may use weaker encryption strength).

Support TLS (Transport Layer Security) (formerly known as SSL).

Voice steering (redirection) support allows users to execute applications with sound on a remote computer, but direct the sound to the client computer to listen.

The file system turns to support, and the user can reference the file system on the local (client) computer while using the remote computer.

The printer turns to support, and when using a remote computer, you can use printer output on the local (client) computer, including printers directly connected to the client computer or network shared printers.

Communication ports move to support, and applications on remote computers can use serial ports or parallel ports on local (client) computers.

Windows clipboard data can be exchanged between remote and local computers..

Advantages

Clients compatible with remote desktop protocols can be executed on a variety of operating systems, and RDP client functions are even listed as one of the kernel functions on many Linux systems. In addition, users don't have to have a broadband network to connect to their remote computer desktops. RDP can update five to six pictures per second, even on 56K dial-up networks.

-end of the note-

How to use it:

Open the remote desktop service on the server: right-click "my computer"-"remote"-"remote Desktop" before ticking, OK. The default administrator user has remote Desktop permissions, so you only need to set a password for administrator to connect. Note: if the server is moved or switched on and off, please remove the hook and load it again when it does not take effect.

Use the remote Desktop connection tool (the mstsc component provided for the software) to connect on the client. Click "mstsc" in "run" to make sure. Type the server name or IP address in the remote Desktop connection tool.

So through the screenshot below, we know that the default port opened for remote desktop is 3389.

Through the screenshot below, we find that the open port of the server can be found through the scanning tool, which makes it clear that our server opens the service of remote desktop.

So what happens if port 3389 is modified? How to modify it?

Modify the registry in two steps:

Step 1: modify the DWORD value here to other ports such as: 4000

Corresponding key: "PortNumber" under HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Control\ Terminal Server\ Wds\ rdpwd\ Tds\ tcp

Step 2: modify the DWORD value here to other ports such as: 4000 ditto.

Corresponding key: "PortNumber" > under HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Control\ Terminal Server\ WinStations\ RDP-Tcp

* the modified figure is as follows:

Step 3: restart the server (the settings made for the computer (that is, modified the content under HKEY_LOCAL_MACHINE) must restart the computer for it to take effect.

Step 4: connect on the client

* pay attention to the writing: many novice friends ignore the colon, resulting in a failure to connect!

* after connecting, it is found that the port has changed and the port scanning tool can not find out which regular services are available on your server! It's much safer!

This is the end of the notes on how to implement the remote Desktop Protocol RDP. I hope the above content can be of some help and learn more knowledge. If you think the article is good, you can share it for more people to see.

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