There are two types of firewalls: hardware firewall and software firewall. A hardware firewall is a device that is between the Internet / network connection and the computer / s on the network. A software firewall is also known as a personal firewall. Software firewalls are installed on individual computers. Many people use a combination of hardware and software firewall, since everyone has a unique blanket of protection.
If your home or business has morethan three computers, all sharing an Internet connection, you should be using a hardware firewall, such as to protect this device the entire network. A hardware firewall acts as a barrier between the Internet and all computers, the Internet connection, providing protection from hackers, spyware, worms, and the curious. In most cases, a hardware firewall for a network more economical than buying software firewall software licenses for each computer on the network.Hardware Firewalls vary in price depending on how many computers they protect and the type of features included.
Software firewalls are great for protecting individual computers. They are often referred to as "personal firewalls, because they observed on all data entering and leaving the PC and also protection for personal data. A software firewall is a must for any laptop computer that is used on public networks such as those you would find at airportsHotels and cafes. Because the software firewall is installed on the laptop itself, it is always protected, no matter where you are, on whose network.
It is a relatively new type of firewall, the firewall is a hardware, but it is designed to provide protection for computers only. This firewall is a PCI card that installs internally into any available PCI slot on a computer. It also comes as a PC card for laptops, fitting into a PCMCIA slot.Firewall cards are designed for business networks, and are designed to work with a firewall Policy Server, the manipulation, impenetrable protection for office PC's and mobile users.
Regardless of what type of firewall you choose - hardware or software - one thing is certain: If you use the Internet to your computer or laptop, you MUST have firewall protection to connect. Firewalls keep out intruders and malware, and your personal information not protected by a firewall, even if youdo not think you protect something of value, is just asking for trouble!
More and more people begin to use both a hardware firewall and a personal firewall from the ever-increasing security risks of internet usage. This is a good idea for those who have a lot of time online, because each type of firewall is a unique kind of protection. With hardware and software firewalls, you get the absolute best protection against hackers, hidden spyware, viruses,and identity theft.
A firewall should be your first line of defense when it comes to computer security, but by no means should it be your only protection. Even with a good firewall, you need to use product and anti-virus and anti-spyware.
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