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article by Dennis Levenhagen
Firewalls can be placed in the wrong direction and you can have a lot of them. It is possible that you can not access your network or the Internet in any case.
software firewalls This type of firewall works with virtually any security and anti-virus software. Usually it is installed with the program and you have to do anything. You can also separate a firewall if you wish.
Hardware firewalls This is a physical product you can buy. The best are not purchased in the average store. You must either buy them online or through a dealer. They offer protection against many types of attacks. These include virus and spyware attacks. It checks data packets according to certain criteria. If certain criteria is met, it can not let that information get on your computer or through the network. These units serve as a wireless router and can, if necessary. Although it can be expensive, that possibly secondary when it comes to the protection of your network. Outgoing traffic is also blocked when certain criteria is met. Many companies block all e-mail that contains an attachment as an example.
many firewalls Some people do not know that you install too many firewalls. Windows has its own firewall. When you install an antivirus program they usually have one too. Most companies have installed a hardware firewall. If you install all these firewalls can not necessarily guarantee that you will not be more than if you had only one or none are protected. You can conflict with each other. This could mean that you have not protected or that you can not reach your network or use the Internet.
What should I do? If you have an anti-virus program that you should disable your Windows Firewall. This would be enough protection if you are the only computer on the network. If you have a large network of computers, you should install a hardware firewall. If you do not come to the internet or do something you have to do, you need a way to the hardware firewall in that configure can find the traffic. This is best left to professionals because of the complexity.
As a final note. Firewalls can be tricky to set up. If you do not even figure it out, find a professional that can help you. Most hardware firewalls can configure how you want it. Software firewalls can be a different story. About the author Dennis is a Microsoft Certified A + Technician with more than 15 years experience. He is a very informative blog computer at that solve many computer problems just as general computer tips, reviews and advice. See: http://www.pcinfospace.com
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