My ADSL experience

My setup of rp_pppoe on debian 2.2.
Firewall script I use for connecting to ADSL
Firewall script I do use for modem connections.
How to detect ADSL line problems.
This is somewhat experimental specilaly the last part about telnet authentication. I never succeeded in making this work and suspect that this protocol is not supported any more.
How to handle line and modem problems
Check this to avoid my problems.
A CERT warning about security bugs with the Alcatel Speedtouch modem.
By following the links in this document you can find a lot of inside information about the speedtouch modems.