call back password modem

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From - Thu Jan 13 06:52:37 2000
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Message-ID: <387DBC6E.F724EC8A@aplawrence.com> 
Date: Thu, 13 Jan 2000 06:52:14 -0500
From: Tony Lawrence <tony@aplawrence.com>
Organization: A.P. Lawrence
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To: tt <teppot@usa.net>
Subject: Re: modem
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tt wrote:
> 
> sco 5.05
> 
> How can i set call back passwd on my dial in line

Call back or dial-in?

A call-back password is usually a modem feature- the more
expensive Multitech's have call-back passwords and numbers
stored in internal registers.  That's (IMHO) really the
easiest way to do it- it's transparent to the OS- you just
configure an ordinary dial-in setup; getty never even knows
anything strange has happened.

You can do callback with "ct" but it's much more of a pain.

If it's dial-up passwords you want, you do that by editing
/etc/d_passwd to be sure that the shell your dial-in users
will be using is listed (only /bin/sh and uucico are listed
by default).  You assign the passwd by doing

passwd -m sh (or ksh or csh or each in turn).

Finally, in /etc/dialups (it doesn't exist; you create it),
add the device that you want protected: /dev/tty2A

Note that this doesn't really have anything to do with
dial-up: you could list /dev/tty08 in there and be
challenged when you try to login on alt-F8 - in fact, that's
an easy way to check that you did it all correctly.

-- 
Tony Lawrence (tony@aplawrence.com)
SCO articles, help, book reviews, tests, 
job listings and more : http://www.ApLawrence.com

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