60 Seconds of WIP, 7 September 2023

Run Your Own Mail Server has finally forced me to write a bit about netcat versus telnet.

Netcat is a flexible network tool that, among other things, allows you to connect to arbitrary TCP/IP ports. We’ll use it for testing services. Over the decades netcat has been forked, reimplemented, and served as inspiration for other programs that also call themselves netcat. These variants made no effort to make their added features compatible with other variants. Your Unix might provide a netcat-alike s...