I am in the process of deploying a linux RAS solution in at least 17
sites. I am using Digi Acceleport Xem cards and PORTS modules to
connect to any modms the users have now, in addition I am using Digi
DataFire RAS 24 PT1 cards for high speed access.
I use mgetty to control the serial ports. Our users fall into 3
categories, Terminal Emulation users, PPP users, and both. I use the
AutoPPP function of mgetty to launch pppd which then uses the PAP
protocol to authenticate the users. This requires the updating of
/etc/passwd and /etc/ppp/pap-secrets for ppp users. I use the "login"
option of pppd to get a utmp/wtmp entry (thats why I need to update both
files. I wrote a web based interface so that my remote administrators
could easily add and delete and maitnaint users.
So you need serial hardware (digi does a great job supporting linux) and
the drivers for the hardware, you need to control the serial ports, I
use mgetty, you need pppd if you are going to do ppp access. And you
have to decide what to do with terminal emulation users. Do you give
them a shell? If I have a user classified as just a PPP user, I use
/bin/false for a shell. Then if they try to login using terminal
emulation they get kicked out. I have also written a pseudo-shell in
perl to handle other terminal emulation users. If a user should have a
telnet command as an autocommand, I use a line in /etc/passwd for their
shell something like /dialbin/telnet -8 -E telnet.foo.bar, then the
/dialbin/telnet is really a bash script that sets up an environment and
launches telnet.
Let me know if I can help...
---------------------- Reply Separator ----------------------
Subject: Re: Remote Access Service
Author: Mohan P <[EMAIL PROTECTED]>
Date: 2/9/00 5:56 PM
Hi,
I introduce myself as Mohan P, working as network administrator.
Initially
I was administering Windows NT server and I had setup RAS on it for
remote
dialin, I am very much aware that the same is possible in Linux also.
Can someone kindly throw light on how can I achieve this. My
server runs
on Red Hat linux 6.1, I had gone through quit a few documents on it, but
things just didn't seem to work.
Thanx
Regards
Mohan P
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