> I left httrack alone when the internet connection
> was lost even though it wasn't downloading anything.
> It seemed like it started where it left off when I
> got the connection back but I'm not sure.

This is probably a feature of the dialup/PPP manager, keeping on hold the
universe, and letting TCP sessions continue upon reconnect.

It is then probably safe not to pause httrack at all, and wait for the
connection to be up again in this case.