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Hardware Firewall


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#1 fpt22

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Posted 12 February 2006 - 05:59 PM

Hi, is it worth investing in a high priced router like Cisco for home use. They say their security system is very good. I know there expensive, but would the high level of security and peace of mind be worth the money.
Thanks for any advise.

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#2 quietman7

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Posted 13 February 2006 - 09:48 AM

A hardware firewall is really a software firewall running on a dedicated piece of hardware or specialized device (router). It can provide a strong degree of protection from most forms of attacks coming from the outside. Hardware firewalls are easy to configure and they can protect every machine on a local network. A hardware firewall typically uses packet filtering to examine the header of a packet to determine its source and destination addresses. This information is compared to a set of predefined or user-created rules that determine whether the packet is allowed (forwarded) or denied (dropped) on particular ports. They tend to treat any kind of traffic traveling from the local network out to the Internet as safe which can be a security risk.

With a software firewall you can specify which applications are allowed to communicate over the Internet from your computer. Programs that are not explicitly allowed to do so are either blocked or else the user is prompted for confirmation before the traffic is allowed to pass. Software firewalls generally offer the best measure of protection against Trojans and worms but they are harder to configure and must share resources with other running processes which can decrease system performance.

Firewall FAQs
Home PC Firewall Guide
Understanding and Using Firewalls
Comparing Firewall Features
Directory Of Firewalls
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#3 fpt22

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Posted 13 February 2006 - 04:25 PM

Thanks for the advise quietman7, interesting reading, very good links.

#4 quietman7

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Posted 13 February 2006 - 08:13 PM

Your welcome fpt22.
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