"This week I'm going to tell you about a top-secret tool. It can be real handy at times, under the right conditions. But I don't want you to use it. It's too dangerous. I want you to use other tools instead. So snap to, you fellow explorers of the CLI-scape, let's try to figure out what I'm talking about. Follow me down this hole in the ground.
"Netcat is often described at the 'Swiss Army knife' of Internet tools, because it can do a lot of different things, from copying files, to forwarding ports, to logging into the shell or executing programs remotely. The big problem with Netcat is that it's not secure. DO NOT USE IT OVER THE INTERNET. On your home LAN, behind a good firewall, it's OK. But otherwise, forget it..."
