Re: openbsd telnet to serial
By: bbsing to phigan on Thu Nov 27 2025 18:01:12
> Re: openbsd telnet to serial
> By: phigan to bbsing on Wed Nov 26 2025 05:43:54
>
> > Re: openbsd telnet to serial
> > Have you tried using a raw connection into it instead of telnet? Try this
for science.. make sure you have netcat (nc)
> > installed.
> > Create a file called raw.sh with this in it:
>
> > settings=$(stty -g)
> > stty raw -echo
> > nc $1 $2
> > stty $settings
>
> > then 'chmod +x raw.sh' and then './raw.sh ipaddress port'. Just one thing
to note, when you finally disconnect, you need to
> > hit
> > a
> > key to return to your prompt.
>
> > The reason for this is telnet does some negotiation on connect, and you're
not running telnetd. Your client says "Hey, let's
> > agree
> > on some stuff!" but your server isn't listening for that.
>
>
So somehow I have to get my modem to use telnetd as the program instead of going
to getty, then when a client telnet's to my system the password will not appear
when the client types it.
freebsd handbook doesn't mention this behavior about ttys and dialin specifier,
or just a std.9600 specifier.
A new adventure.
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