Keep Hackers Out: Part One, Personal Edition - Page 9

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Hardware Firewalls vs. Software Firewalls

PROS

PROS

Inexpensive

Inexpensive

Stops most hackers when used correctly

Stops most hackers when used correctly

Works at the port level

Works at the application level

Can protect multiple PCs

Ideal for one machine with many users

Nonintrusive

Analyzes incoming and outgoing traffic

Uses a dedicated, secure platform

Convenient for travelers, mobile workers

Hides PCs from the outside world

Easy to update

Doesnt affect PC performance

CONS

CONS

Can be complicated for beginners

Can be complicated for beginners

Difficult to customize

Doesnt hide a PC from the outside world

Ignores most outgoing traffic

Can be intrusive

Inconvenient for travelers

Shares OS vulnerabilities

Upgrades only via firmware

Affects PC performance

Creates a potential bandwidth bottleneck

Must be uninstalled in case of a conflict