INTERNET FIREWALLS

INTRODUCTION :

The Internet has made large amount of information available to the average computer user at home, in business and education. For many people, having access to this information is no longer just an advantage, it is essential.

By connecting a private network to the Internet can expose critical or confidential data to malicious attack from anywhere in the world. The intruders could gain access to your sites private information or interfere with your use of your own systems. Users who connect their computers to the Internet must be aware of these dangers, their implications and how to protect their data and their critical systems.

Therefore, security of network is the main criteria here and firewalls provide this security. The Internet firewalls keep the flames of Internet hell out of your network or, to keep the members of your LAN pure by denying them access the all the evil Internet temptations.