Telnet Protocol Analysis

Telnet is a well know protocol known to every IT Administrator. Besides being a clear-text protocol where it sends all of its communications in plain text, Telnet is interesting in the way it communicates.

Every character we type on the terminal is sent in a single IP Packet, right, a single packet is used for every character.

A quick look at Wireshark capture shows the below.

• The capture is for a Telnet login from 192.168.0.2 to 192.168.0.1
• fake/user (userid/password)