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Remote access server

Posted on 2003-02-21
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Last Modified: 2010-04-20
Hi all

could anyone guide me in the right direction for information on setting up a dial in server for approx 80 users.I am new to linux and need a good easy to digest piece of litrature.
I'm running redhat 8 and want to allow access to a database of info over a leased line to home users.
any info would be greatly appreciated.

Thanks
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Question by:justcoin
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XoF earned 200 total points
ID: 7996711
Hi justcoin,

you'll need the ppp-daemon pppd and for example mgetty which listens on the serial port and takes incoming calls.

for configuring mgetty locate its configuration directory (In case of SuSE it should be /etc/mgetty+sendfax; I don't know if that's the place for RH too)
edit/create mgetty.config:

debug 4
speed 115200
port-owner root
port-group uucp
port-mode 0660


then edit/create login.config:

/AutoPPP/       -       a_ppp   /usr/sbin/pppd file /etc/ppp/options.server

that's been all for mgetty; now locate the pppd-configuration directory, most likely it is /etc/ppp


edit/create options.server:
##------ begin
+pap
modem
debug
proxyarp
defaultroute
replacedefaultroute

## Use only one of the following two options
## only if remote system shall set your ipaddress
noipdefault
## alternatively if you want to set local and remote IP:
<local_IP>:<remote_IP>

ipcp-accept-local
ipcp-accept-remote
##------ end


edit/create pap-secrets:

"<login-name>"        *       "<passwd>"      *


that should be all.
Now you have to start mgetty via
/usr/sbin/mgetty -x 1 -D -s 115200 -m '"" AT-M1X0 OK \c' /dev/ttySx

whereby ttySx is ttyS0 for com1, ttyS1 for com2....
The AT-commands might differ for your modem, it's the command for taking the call

alternatively, for not having to run mgetty manually you could start it automatically within your inittab, which should look like this:

mo:235:respawn:/usr/sbin/mgetty -x 1 -D -s 115200 -m '"" AT-M1X0 OK \c' /dev/ttySx



for further information take a look on "man ppp" and "man mgetty"


HTH,

-XoF-
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Author Comment

by:justcoin
ID: 8007598
Thanks XoF

good info.
will this work for an adsl connection if i replace com1 for eth0? I will set up a leased line for this and get a static ip. do you know of any similar setups?


thanks again
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LVL 7

Expert Comment

by:XoF
ID: 8010186
Nope, you won't be able to setup a dialin server using dsl, since dsl is not connection oriented. dialin only works with modems or ISDN adapters, dialing into a dsl line is physically impossible.

what exactly do you want to achieve? Perhaps a simple ssh setup will we a solution?

-XoF-
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