Assignment 2 Types of Firewalls

In: Computers and Technology

Submitted By ClintonTodd
Words 643
Pages 3
Assignment 2
Types of Firewalls

A firewall is a network security system that filters the incoming and outgoing traffic on a computer network. Filtering allows what is wanted on a network and denies what is not wanted. Anywhere a computer is used to interact with and exchange resources with other computers, will require using a firewall. Four types of firewalls to consider are personal, commercial, appliance, and software firewalls. What each firewall is designed to do, along with any special requirements for using them, will be discussed as well. Personal firewalls are designed to protect individual computer systems or small networks. Personal firewalls allow a security policy to be defined for individual computers. Personal firewalls are useful to protect computers that can be moved across different networks. With a personal firewall, a laptop computer can be used at public Wi-Fi hotspots where strict security is required. The same laptop can also be used in the workplace where minimal protection is needed due to a conventional firewall usually already in place on a trusted intranet. Most personal firewalls usually do not require special training or certifications before being used. They usually have a friendly user interface, such as a graphical user interface, or GUI, which allows for easier use. Commercial firewalls are designed to provide protection for medium sized to large sized business networks. Most commercial firewalls are more complex than personal firewalls. Therefore, commercial firewalls usually require some form of special training and certifications. An appliance firewall, also known as a hardware firewall, is actually a hardware device that is dedicated to support the functions of the firewall software that is running on it. This type of firewall only needs one or more network connections and a power source to be used.…...

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