What are firewalls?

In the construction industry, the firewall is a non -burn wall that prevents the spread of fires throughout the building. For example, houses can have a firewall between the garage and the rest of the house to prevent garage fires from other rooms. Like firewalls used in homes and buildings, computer firewalls act as a barrier between computers in the network. For companies with a computer network or for individuals with permanent internet connection (for example via DSL or cable), the firewall is critical. Without a firewall, intruders in the network could probably destroy, manipulate or access files on your computer.

Firewalls can come in the form of hardware or software. Without getting into complex details of how firewalls work, just say that this function with a set of filters that are constantly monitored by the network operation. Whenever one of the filters launches the information packet, the firewall prevents him from browsing from trying to prevent damage. Firewally of course sometimes bThey locate operation and, through a constant improvement process, the filters can be adapted to improve their efficiency.

Many computer users who have access to the Internet via a broadband router may benefit from firewall. The router itself can be configured to serve as a firewall; Any dangerous network attacks are stopped on the router to save any bad effects on the computer. Such a hardware firewall can be further strengthened by a secondary defense line in the form of a software firewall; You can never be too safe when using the Internet!

If you would like more detailed information about Firewall, how they work or how to configure them, etc. Visit the link listed in the below part of the source.