> I believe it was also only processed on the transmitted traffic, not the received. I believe you're correct, although it's been ~25 years... Which explains

> I believe it was also only processed on the transmitted traffic, not the received. I believe you're correct, although it's been ~25 years... Which explains why the command above isn't exactly correct, IIRC. What you had to do was send a CTCP ECHO containing the "+++ATH0" to a channel -- or an individual user, but sending it to an entire channel full of people was a helluva lot more fun! Anyways, I don't recall the exact command nowadays but it was /CTCP #channel ECHO Goodbye +++ATH0 or something very similar. As long as the "victim's" IRC client wasn't ignoring those CTCP commands, it would "echo" the text and, as expected, command their modem to hang up. Perhaps it shouldn't have worked... but I promise you that it absolutely did. (Also, you could do the same thing by putting the "command" into the payload of an (ICMP) "ping" -- and that's a completely different thing from the "ping of death" that was discovered in that same era.) -- https://en.wikipedia.org/wiki/Client-to-client_protocol https://en.wikipedia.org/wiki/Client-to-client_protocol