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Thursday, July 24, 2008

Secure a PC on Broadband

With more and more people opting for Braodband connections, more and more people are opening their computers to potential security issues. By connecting a computer directly to a cable modem, you are potentially exposing your PC to all kinds of security issues. The use of a basic router will immediately stop all BROADCAST packets bouncing around the network that could possible start a program on your PC.

Jot down the current network settings Start by getting your current network settings.

This can be done by opening a Command Window (DOS) and typing in IPCONFIC /ALL

Find a Cheap Router ( wired is best if you don't have the need for wireless ). Searching Froogle will give you plenty of options.

If you're not going to use the wireless function, disable it completely using the manufacturers instructions.
Plug the ethernet cable that came with the router into the WLAN port on the router.
Plug the other end of the ethernet cable into the ethernet port on the cable modem.
Connect the router power supply to the router
Connect an ethernet cable to 1 of the LAN ports on the Router and the other end into your computer.
Turn on your computer

If the router(most do) has a DHCP server built into it, your PC will get an IP address for the router.
After the computer has finished starting up, try and visit a web site to see if your computer has gotten a connection.
Check your network settings as in STEP 1, if you do not have a DNS setting, you may have to manually enter using the manufacturers instructions.

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