If I were to just uncomment the firewall rules in /etc/ppp/ip-up would it make a good generic firewall for dialup or would I >have to change parts of it ? From my own point of view it looks as >though it's a bit too simple and I need to add something to it.
I have had much the same discussion. IMHO, regardless of the quality if the generic script, I would create something new, or modify it - to help understand the workings of firewalling :-)
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