SoftAir Technologies: Firewall

Dear members,
Most of us can't know about Firewall and its importance at time when we surf internet. This lesson will give you knowledge about Firewall and its importance and after read this lesson you able to tell every one about Firewall.......

Firewall :-

INTRODUCTION:
Many peoples who not know (What is Firewall?).Firewalls are computer security system that protects ur office/home PCs or ur Network from Intruders, Hackers and Other Malicious Code.Firewalls Protects u from offensive Softwares that may come to reside on ur systems or from prying hackers.In a day and age when online security concearnsare the top priority of the computer users.Firewalls provide you with the necessary safety and protection.

How do they work:

Firewalls are setup at every connection to internet.therefore Subjecting All data Flow to careful monitoring.Firewalls can also be turned to follow rules.These Rules are Simply Security Rules, that can be setup by ur self or by the Network Administrator to allow traffic to their webservers,Ftp servers,Telnet servers there by giving the computer owner/administrator immense control over the traffic that flows in & and out of their Networks.

Rules will decide who can connect to internet,what kind of connections can be made,which or what kind of files can be transmitted in out.Basically all traffic in & out can be watched and controlled thus giving the Firewall Installer a high level of security or protection.

Types Of Firewalls.
1.Software:
New Generation Operating systems are come with Built in Firewalls or u can buy a Firewall software for the computer that access the internet or act as a gateway to ur home Network.
2.Hardware:
Hardware Firewalls are usually Router with built in Ethernet card and hub.Your computer or computers on your Network connect to this Router & access the web.

IMPORTANT FIREWALL PRODUCTS:
Some important Products that you can check out are:
1).Mcafree Internet Security