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Setting up Linux to accept calls

Posted on 1998-08-22
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Last Modified: 2010-03-18
Hi All!I have a Red Hat 4.2 Box at the school.  The box is connected to a 56K Leased Line.  I want to be able to give acces the teachers, so they can call from their home and connect to the linux box and be able to start a PPP connection so they can use the internet. It's like the school been an ISP just for the teachers.  I have one modem available.  We do not expect a lot of incoming calls.
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Question by:dmarte
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alexbik earned 800 total points
ID: 1586528
Hi,

First of all, you need to install PPP. Since you have a leased line up and running, I assume you already have. Then install mgetty. It's a program that waits for incoming calls and answers them. Compile it with the Auto_PPP option. This enables your users to login from W95 boxes without a loginscript. The IP address assignment is done through /etc/ppp/options.ttySx (the name of the tty your modem is connected to). If you do not have a spare IP address available, you need to use 'local' IP numbers, like 192.168.x.x. In that case you will also need IP masquerading, as described in the masquerading mini howto. Leave a comment if you need help on this one. If you have installed all this, all users with an account on that machine should be able to dial in.

Alex.
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