IMHO, software firewall's suck. Get a hardware firewall such as a router.
As for free web space, do you have a static IP? If so, set up your own server. I have my own and a few people here do as well. It's not that hard to do.
(hide) If you need to find an older message from the selected user, click on his Profile and use the "show this user messages" link at the page top. (konec) (show all tips)