Enable Telnet on Windows 7

Edited by Jefrey Matias, Lynn, Melsan, Anonymous and 2 others

Telnet is a network protocol that allows a computer to access another computer or any other device that is connected to the same network. Telnet is usually command line based.

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Enable Telnet on Windows 7

  1. 1
    Click on "Start", on the lower left side of the screen.
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  2. 2
    Go to "Control Panel".
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  3. 3
    Look for "Programs and Features", and click on it.
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  4. 4
    Now click on "Turn Windows Features On or Off".
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  5. 5
    Look for the item that says "Telnet Client" and click next to it to put a check mark on it.
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  6. 6
    Click "OK".
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Telnet a Device

  1. 1
    Click on "Start".
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  2. 2
    Click on "Run".
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  3. 3
    In the open field, type the letters "cmd" and press "Enter".
    A black screen will appear.
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  4. 4
    Now you need to type the word "telnet", followed by the device IP address.
    (Ex:telnet 192.168.1.1)
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Understanding Telnet

Telnet is a Network Protocol used for Local Area Network (LAN) to give bidirectional inactive text oriented communication using virtual terminal conjunction. Data of a junkie is interspersed in band via Telnet control information in eight-bit byte data conjunction above TCP (Transmission Control Protocol).

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Telnet was created in 1969 with RFC15 that is standardized as IEFT (Internet Engineering Task), as the Internet standard of STD 8, which is the first Internet standards. Telnet provides command line interface (an operating system) to a remote host. Network equipment and operating systems with TCP/IP stack support the Telnet service for remote access configuration (countenance for Windows NT).

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Telnet is defined as a client that implements part protocol. Client applications for Telnet are virtually present in all computer platforms, such as Windows, Mac, Linux and any others. Telnet can be used to change your password, commonly that the user will be doing "Telnetting" to a UNIX-like server or even on a network device (like routers) to obtain the full-screen manager.

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During its development in 1969, common users networked their computer departments for academic, private and government research facilities up to its largest scale. During the band-width explosion in 1990, the number of people that had access to the internet was rising, and so was the number of people who were attempting to manage other user's servers that had encryption and alternatives.

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SANS Institute (computer experts and security) recommends user login and passwords for the following reasons:

  1. 1
    Telnet is manageable by other users without security such as passwords.
    Though it was not practical to have during that time, users who have access on the same network or routers can intercept packets.
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  2. 2
    All information will be carried out since there is no encryption.
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  3. 3
    Confidential information is discoverable over the years used by Telnet.
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The first release of its security as Secure Shell or SSH was in 1995, and that offers many functions of Telnet, along with a strong addition of encryption to hinder confidential/sensitive data from being accessed. However, implementations of Telnet do not support the extension of SASL or Simple Authentication and Security Layer that has little interest in implementing Secure Shell.

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Tips Tricks & Warning

  • When you try to telnet and get an error that says "Command is not recognized as an internal or external command," you will need to enable telnet before attempting to use it again.
  • If you have problems with any of these steps, ask a question for more help, or post in the comments section below.

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Article Info

Categories : Networking

Recent edits by: Alma, Anonymous, Melsan

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