Home User Security Guide
Source: Help Net Security - Posted by Benjamin D. Thomas   
Host Security I know many of you have received some nice to tech toys for Christmas recently, so its time to talk about making them secure and keeping them that way. I know many of you have new computers in your homes, but how many of you realize that this computer is already vulnerable? How can this be? How can a brand new computer be vulnerable? There are many reasons for this.

You should not connect your computer directly to the Internet. You should, instead, use a network firewall or firewall router. A network firewall or firewall router is a hardware device that users can install between the computers on their Local Area Network (LAN) and their broadband device (cable/DSL modem). By blocking inbound access to the computers on the LAN from the Internet at large (yet still allowing the LAN computers' outbound access), a hardware-based firewall can often provide sufficient protection for a user to complete the downloading and installation of necessary software patches. A hardware-based firewall provides a high degree of protection for new computers being brought online.

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