Firewall Security Is Essential For Your Computer

A firewall is a software application which provides online security to your system from hackers

. A computer without a firewall security can be misused by a hacker for spamming, sending spywares, steal the personal and financial information of the owner and perform intrusion to other computers associated with the network.

The name firewall originated from the construction industries. Construction engineers performs wall making between two buildings so that during the emergency of fire in any building, other building remain safe. We can say that firewalls security work as a barrier, as a line of defense for prevention against fire. Just like that, firewall security in the computer world is line of defense for prevention against invasions by the intruders.

There are a large amount of individuals who work as hackers in the world of internet to make some fast cash. A computer system with no firewall security invites these people for invasions. In todays world with high Internet connectivity it is very easy for the hackers to achieve their targets in a short span of time. Thus, firewall security is an important issue and must be given preference before anything else.

Hackers enter in your system by doing a scan for open ports. These ports or doorways are a path for the entry and exit of traffic from your computer. Firewall security provides the advantage to open the ports according to your choice and helps in blocking of other ports which are of no use to you. It happens sometimes that you are going to add some functionality messenger or wants to play an online game. For that configuration of firewall can be performed to create exceptions to permit these applications.

It is important to know that addition of any functionality makes reduction in online security. It is therefore better to allow an exception which is of urgent requirement and remove after completion of your task.

Firewall security will protect your system from the invasion of hackers and prevents:

Unauthorized access to your system

Unauthorized installation of unwanted applications on your system or other computers associated with your network

Loss of personal information from being going out of your system

System from spamming, spywares, malwares, adwares and saves intrusion against other computers on the network

by: maria876

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