My last name contains the character sequence "rz".
Back in the BBS days this would trigger a Zmodem transfer on certain clients. It made a lot of people upset.
Back in the BBS days this would trigger a Zmodem transfer on certain clients. It made a lot of people upset.
If you could get that sent over to someone else, their session would be abruptly terminated.
(Hayes patented requiring a no-data-sent time between the +++ and the ATH0. Avoiding the patent but being otherwise compatible introduced the vulnerability. In-band signalling is usually bad.)