So last night, I was told to change the permissions of /dev/ttyS3 to 
crw-rw----, and it was good. But This morning when I tried to connect, the 
permissions had changed back to crw-r-----! I did not reboot or anything; the 
computer was on all night. So I changed it back again. Then, I noticed that 
my speed had dropped to 3.1k. (I've got a 56k modem, so this is roughly 
cutting the speed in half.) I looked at the permissions and sure enough, they 
had changed back to crw-r-----! What's going on? I checked what processes 
were running, and the only one that seemed remotely possible was lisa, KDE's 
LAN Information Server (I don't know why that's running, so I stopped it 
removed it from /etc/init.d.)
        :Peter