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Firewall Basics

A firewall is a layer of protection between a computer and the outside world. It’s designed to keep unauthorized users, such as hackers and criminals, out of your computer.

A firewall can also help protect your computer from malware and other online threats.

There are three main types of firewall:

Application firewall: This type of firewall protects specific applications on your computer.

This type of firewall protects specific applications on your computer. Network firewall: This type of firewall protects your computer’s network traffic.

This type of firewall protects your computer’s network traffic. System firewall: This type of firewall protects all the files on your computer.

Application Firewall

An application firewall helps protect specific applications on your computer. This type of firewall is usually installed on your computer’s main system drive.

Application firewalls can use a variety of techniques to block unauthorized access to your applications. They can also monitor and block malicious software.

Application firewalls are usually easy to set up and use. They’re also a good choice if you only need to protect a few applications.

Network Firewall

A network firewall helps protect your computer’s network traffic.

A network firewall can act as a barrier between your computer and the outside world. It can also protect your computer from malicious software that Targets your network.

Network firewalls can be either hardware or software based. They’re usually more complex to set up than application firewalls and require a more advanced level of computer knowledge.

System Firewall

A system firewall helps protect all the files on your computer.

System firewalls are usually installed on your computer’s system drive.

System firewalls can protect your computer from a wide range of threats. They can also protect your computer from unauthorized access.

System firewalls are usually more complex to set up than application or network firewalls.

Conclusion

Firewall basics include understanding the three main types of firewalls, understanding how they work, and choosing the right one for your needs.