Hi everyone 👋 Now, before we dive into the nitty-gritty of things such as IP addresses, subnets, firewalls, and protocols, I have one question to start off with you. What, according to you, was the first-ever message ever communicated through a computer network? No, not "Hello, world." And not something deep, either. Quite simply, it was "LO". One of the researchers at UCLA was typing the word "LOGIN" to the computer at the Stanford Research Institute, located about 350 miles away. The L arrived. The O arrived. He typed the G, and the system at Stanford crashed. The message that was sent for the first time through a computer network was a sign of an inevitable failure. The two letters that emerged from that failure, however, have changed the entire history of networking. That happened on October 29, 1969.…