| Why do you need to protect your computer with a | | | | worms, and viruses. The firewall will not always block |
| firewall? Does a firewall really help? A firewall is a | | | | virus in emails or malwares from attacking and |
| program or hardware that provides your computer | | | | infiltrating your computer. You also need to have |
| protection from anonymous hackers, worms, and | | | | updated antivirus software installed in your computer |
| viruses that try to invade your computer through the | | | | to double the security and increase the protection. |
| Internet. It is a barrier that protects your computer. | | | | Firewalls use different combinations of the three |
| The firewall scans the things that go through your | | | | ways to control the inflow and outflow of traffic in |
| Internet access point to filter your computer from | | | | the network: |
| anomalies based on how you customized the | | | | Packet filtering refers to the analysis of small chunks |
| settings. If you are lucky, your antivirus firewall | | | | of data. The firewall scrutinizes the header |
| software program may already have an integrated | | | | information which holds the source, destination IP |
| firewall solution. | | | | addresses, and the ports. Packets or small bits of |
| A firewall's task is tantamount to an actual, physical | | | | data that pass through the filters are sent to the |
| firewall which keeps fire from spreading to other | | | | requesting system while all the other data are |
| areas or even your home. | | | | rejected. |
| When using your computer at home, or you have a | | | | Proxy service. In the proxy service, the information |
| network of computers, or you are using your | | | | or data from the Internet is reclaimed by the firewall |
| computer for business, it is essentially important to | | | | and launched to the requesting system and from the |
| turn on your firewall. The firewall has two variations. | | | | requesting system to the firewall. |
| One is hardware and the other is a software | | | | Stateful Inspection does not scrutinize the insides of |
| program. The hardware firewall is a piece of | | | | the packets, rather, it evaluates key parts of the |
| electronic device which is usually used by businesses | | | | packet to the information in the trusted database. |
| handling large networks. Computers used at home | | | | Make sure that your computer runs with a firewall. If |
| usually use the software firewall. | | | | you can, you should also try using an all-in-one |
| The firewall is needed especially if you have a DSL | | | | security suite such as an antivirus firewall software |
| service or a cable modem for Internet connection. | | | | program that works both as virus protection and |
| But, having your firewall turned on does not mean | | | | firewall. |
| you are completely and fully protected from hackers, | | | | |