Advantages And Disadvantages

Advantages of a software firewall

Free or cheap to install
Easy to install (Usually involves set up wizard)
Specialist skills not needed for configuration
Levels of access can be set

Disadvantages of a software firewall

May slow down applications
May be heavy on system resources
Can be difficult to remove
Every host needs to be updated regularly (patches)
No centralised management

Advantages of a hardware firewall

Centralised management possible
Less interference; can be maintained without affecting other areas of network and does not slow down applications (Anand Software and Training Private Limited, 2002-2007)

Disadvantages of a hardware firewall

Expensive to purchase
Specialist knowledge may be required to install and configure
Takes up physical space
Hard to upgrade

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