| It is a well known fact that computers without firewalls | | | | provide firewalls. Users may disable the Windows |
| are vulnerable to attacks from hackers, spyware and | | | | Firewall and install a new one as per his desire. It is |
| viruses. Hence, you should ensure a secure internet | | | | very important to install a firewall if you have a small |
| connectivity by installing a firewall on your computer. | | | | computer network at home or office. This can be |
| Making use of internet security firewalls, is one the | | | | done by installing a firewall in every computer in the |
| best ways to protect your computer. Firewall is | | | | network. If any computer in the network gets infected |
| security software which operate in such a way that it | | | | with virus, it cannot move on to infect other computers |
| can stop unauthorized access to the network or | | | | in the network if each and every computer in the |
| internet whereas it allows authorized communication to | | | | network is protected by a firewall. |
| take place. If there is an attept to access to the | | | | Firewalls are of two types, namely software and |
| network or the internet, it will allow the user to allow, | | | | hardware. Software Firewalls block any unauthorized |
| block, and encrypt the attempt that is taking place. It is | | | | communication on your computer. Hardware Firewall is |
| one of the best ways to stay protected from virus or | | | | installed between the computer and the modem or the |
| spyware or malware that tries repeatedly to connect | | | | router which does not allow any illicit communication to |
| to the internet or network. | | | | take place. One cannot imagine a computer that is |
| Even though you have an antivirus and antispyware | | | | present on a network or connected to the internet |
| installed, it is still necessary to install a firewall on your | | | | without a firewall. Some of the leading antivirus |
| computer. Windows XP and Vista come with in-built | | | | manufacturing brands like AVG, Symantec and |
| internet security firewalls. Always ensure that it is | | | | McAfee sell firewalls online. Please check if your |
| turned on. Many leading antivirus companies also | | | | computer has a firewall or not. |