ANALYSIS OF FIREWALL TECHNOLOGY IN COMPUTER NETWORK SECURITY

In computer security, a firewall is a device that blocks illegal access to an organization’s network. Firewalls can be implemented in both hardware and software, or a combination of both. Firewalls frequently used to prevent illegal internet users from accessing private networks connected to the Internet, especially intranets. In computer networking the term firewall is not only expressive of a general idea. It has come to mean some very accurate things. The firewall keeps track of every file entering or leaving the network in order to detect the source of viruses and other problems that might enter the network. This paper explores analysis of Firewall technology.