Explanation of Firewall

Question

Give a brief explanation of the term Firewall.

Answer 1

The firewall is as much as the great walls of the Fort to block enemies coming in the territory. These are devices or Software that denies access to your computer from anything external. It stops intruders, hackers and other malicious evils from accessing your computer and get any critical information like Credit Card details, Bank Account Details, Identification Information or even your Business critical detailed information. It is highly sensible to have a Firewall device or simple software loaded onto your computer from such kind of evils. Despite using firewall, one has to make sure that appropriate antivirus software or antispyware software is installed and appropriately run on the computers to make sure absolute security on Internet, failing that you always vulnerable to attacks from Internet.