TAILIEUCHUNG - Home Network Security

Home computers that are connected to the Internet are under attack and need to be secured. That process is relatively well understood, even though we do not have perfect solutions today and probably never will. Meanwhile, however, the home computing environment is evolving into a home network of multiple devices, which will also need to be secured. We have little experience with these new home networks and much research needs to be done in this area. This paper gives a view of the requirements and some of the techniques available for securing home networks | Volume 06 Issue 04 Published November 15 2002 ISSN 1535-766X Intel Technology Journal Interoperable Home Infrastructure Home Network Security A compiled version of all papers from this issue of the Intel Technology Journal can be found at http technology itj Home Network Security Carl M. Ellison Corporate Technology Group Intel Corporation Index words firewall UPnP wireless VPN security home networking ABSTRACT Home computers that are connected to the Internet are under attack and need to be secured. That process is relatively well understood even though we do not have perfect solutions today and probably never will. Meanwhile however the home computing environment is evolving into a home network of multiple devices which will also need to be secured. We have little experience with these new home networks and much research needs to be done in this area. This paper gives a view of the requirements and some of the techniques available for securing home networks. INTRODUCTION First there was a single Personal Computer PC in a few homes with no connection to the outside world. Now we have computers in most homes and most have Internet connections to the outside world. The next step already happening is not one computer but rather a large network of devices in a home. Some of these are mobile devices which will be brought into the home by guests friends hired employees maintenance personnel employed by service providers and other strangers. As these changes happen the security needs of the home user also change. In the days of the disconnected single PC the primary security threat was from virus contamination on floppy disks. With continuous connectivity to the Internet many new attack channels have been opened e-mail attachments executable code or scripts fetched from Web pages active penetrations at lower networking levels etc. while floppies have all but disappeared closing that older channel. To the extent that these existing .

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