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What is in this tutorial:
First something about my situation at home. I am connection to a local network. I want to share my ADSL connection with somebody on this local network, for which I reserved a 486SX computer. In this computer I have put two network interface cards (NIC). One goes to my HUB and one goes into the ADSL modem. I understand that everyone's situation may be different, but understand that this tutorial is based on my situation.
I've started from scratch, so I formatted my harddisk en installed the latest release of freeSCO. While setting up I've chosen for option E (the Ethernet Router). Some important settings which you have to keep in mind are:
It's necessary to extract the file fspptp.tgz (fspptp.tgz) and to put it in the right place. This is done by downloading the file, copying it to disk. The following steps require that you have the disk containing fspptp.tgz in the floppy diskdrive of the freeSCO box.
mount -t vfat /dev/fd0 /fd cd /fd cp * /mnt/router/fix/ cd /mnt/router/fix zcat <fspptp.tgz | star rm fspptp.tgz |
It is now necessary to REBOOT the computer.
To create a connection to mxstream you'll have to create some files. It's possible to use the XS4All script as an example (xs4all-script). Although this script needs a couple of changes. This is what I did:
Put your KPN mxstream username and password in /mnt/router/etc/ppp/pap-secrets, e.g.:
# Secrets for authentication using CHAP # client server secret IP addresses KPN-username * KPN-password * |
Put the following in /mnt/router/etc/ppp/options.adsl:
idle 0 debug noauth user KPN-username defaultroute |
Hopefully this was succesful. I want to point out that freeSCO has no VI or VIM, but uses EDIT instead.
To those who expect me to actually explain in detail how you may configure a firewall, I have some bad news. Because I won't do that, actually. A firewall is based on rules and those rules are different in every situation. So, instead I'd like to direct you to the following page: (nog te zoeken), so that you may figure out for yourself how to configure your firewall.
So, what do I want to say here? Well, I told you to disable firewalling at the installation of freeSCO. This is the part I spent a lot of time on, just to find the right settings. Because you've disabled firewalling freeSCO will pass all traffic and is completely open to the outside world. But because you need a VPN connection, that is not quit correct. A VPN connection demands encryption (masquerading) which you have to enable, or else the VPN connection won't work at all. The next 3 commands enable the encryption:
ipfwadm -I -i accept ipfwadm -F -i accept -m ipfwadm -O -i accept |
To establish a connection, the file /mnt/router/etc/ppp/pap-secrets has to be copied to /etc/ppp/pap-secrets at least once. And the firewall commands (see above) have to be executed. I still have to figure out why freeSCO clears the contents of /etc/ppp/pap-secrets everytime after a reboot.
Now you may try the following command:
pptp 10.0.0.138 file /mount/etc/ppp/options.adsl |
If everything went well, you have got a connection to the VPN of mxstream!
You may want to check this by pinging to 10.128.1.6 or to www.start.mxstream.nl.
As freeSCO does not support a scripting language (e.g. perl) the login script of XS4All is not usable. This means you'll have to manually login to your ISP using a browser.
As freeSCO also doesn't have a internet browser is assumable that you setup a client. In my case this is a MS-Windows based client. You need to do two changes to the settings to be able to connect to www.start.mxstream.nl:
You will now be able to surf to www.start.mxstream.nl and login to your provider :)
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Mark Bleeker