From mboxrd@z Thu Jan 1 00:00:00 1970 From: dave@horsfall.org (Dave Horsfall) Date: Mon, 13 Mar 2017 16:58:30 +1100 (EST) Subject: [TUHS] attachments: MIME and uuencode In-Reply-To: References: <201703121813.v2CIDtRH099094@tahoe.cs.Dartmouth.EDU> Message-ID: On Sun, 12 Mar 2017, Paul Winalski wrote: > Back in the day plain ASCII wasn't really secure, either. There were > bugs in the firmware of the VT100 and other smartish terminals that > would cause strange behavior if certain malformed control sequences were > received. For example, causing the bell (actually a loud beep) to sound > continuously until the terminal was power-cycled. There was one > sequence that stored bad data into the user preferences area of the > EPROM. That bricked the terminal by causing it to go into a reset/crash > loop. DEC ended up modifying VMS Mail to filter out ASCII control > characters by default when it displayed email messages. You could still > display the unfiltered text, but you had to explicitly ask for that to > be done. Giggle... Back when "packet radio" was popular in the Amateur ("ham") radio world, we used to send each other ASCII bombs. Just program say F1 (the "help" key under Messy-Dog) to do a "FORMAT /Y C:" and wait... -- Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."