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Subject: openbsd telnet to serial Date: Mon Nov 24 2025 21:36:11
From: bbsing To: All

I've been trying to understand why when I telnet to my openbsd to a modem hooked
 to the serial port, the password is echoed at the login prompt.

This happens from any linux client I've used to telnet to the openbsd system ove
r the serial port.

Same behavior happens with a linux system.

My setup is really simple.
modem is set to auto answer ats0=1

/etc/boot.conf has the following:
set tty com0

/etc/ttys has the following:
console "/usr/libexec/getty std.9600"   vt220   on secure

----------------------------------------------------------

Does anyone know why the password is shown, and how to get it to not echo when t
he user types it in?

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