What is firewall?

How Firewalls Work?

Top Firewalls

History of Firewalls

Types of firewalls



Firewalls Descriptions

Kerio firewall

ZoneAlarm Free

OutPost Firewall PRO

McAfee Personal Firewall

Sygate Personal Firewall

Norton Personal Firewall 2006


Prisma Firewall

Shield Pro FIrewall

SoftPerfect Personal Firewall

firewall home

Firewall, Firewalls

Firewall: While the term "firewall" creates a powerful visual picture, in reality, it doesn't involve any fire or pyrotechnics. A computer firewall is used to protect a networked server or client machine from damage by unauthorized users. The firewall can be either hardware or software-based.

A router is a good example of a hardware device that often has a built-in firewall. Software programs that monitor and restrict external access to a computer can also serve as firewalls. A network firewall allows only certain messages from the Internet to flow in and out of the network. So, I guess in a way it really is like a wall of fire. Well, sort of.

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