Using telnet to Test Open Ports

What is Telnet? In a nutshell, Telnet is a computer protocol that was built for interacting with remote computers. The word “Telnet” also refers to the command-line utility “telnet”, available under Windows OS and Unix-like systems, including Mac, Linux, and others. We will use the term “Telnet” mostly in the context of the telnet client software. Telnet utility allows users

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