Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Hardware and Communications and other Home Office topics.
Both Cable and DSL lines are open as long as your computer is turned on. That has certain security ramifications. DSL providers will assign you a fixed IP address; a cable company typically assigns you a "floating" IP address, each time you log on. The "floating" address probably gives you a bit of added security from hackers, but you'll want to get a personal firewall system, just to be on the safe side.