Search:

you could use neotrace if you can find a copy as neoworx where taken over by mcaffe, however it features a graphical route tracer which shows the attackers location on a world map, and also some...

for extra security you may want to protect sbin snd certan critical files in /etc

you could try configuring the MSN file transfer as a service in inetd or somthing similar.

you should try querying the modem using iether kppp or minicom to check for shure. or check it on your distros hardware database.