Telnet Protocol

Protocol Description

Telnet is a text-oriented protocol typically used to connect to remote devices via a command line interface. The protocol is one of the oldest protocols still in use -- it was developed in 1969.

Full Name

Teletype Network

ProTips

You should not see the Telnet protocol on your network and any activity should be investigated. The secure SSH protocol is a good alternative to Telnet.

Known Ports

  • TCP 23 - Telnet port.

Category

Infrastructure

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Protocol Detection

Do you know how much Telnet traffic flows through your network? Netify's protocol detection engine and reporting provides insights to help manage your network.

What gets measured, gets managed.

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