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to protect a computer or network from unauthorized access
Firewall
That's called a firewall.
That sounds like a firewall.
Make sure you have a firewall setup, good antivirus, and don't go anywhere bad or suspicious.
Windows Firewall
A firewall is a device made to either allow or deny transmissions from other computers (particularly from the Internet) to protect the computer from unauthorized access. A firewall is necessary because, as was said, it blocks unauthorized access by hackers and disallows any files that may contain harmful data like viruses and malware.
The firewall controls what programs can access the internet and what programs from the internet can access the computer what is a firewall ?How does it work? http://computer.howstuffworks.com/computer-internet-security-channel.htm Is a security program which protects your computer from unauthorized access through the Internet. It resides on your PC and filters traffic coming and going from your computer http://www.Microsoft.com/protect/computer/firewall/faq.mspx
Make sure a password has been set on the computer and make sure its one that you know is easy to memorize but hard for others to find out. firewall - software firewall is a program that is stored into the computer which protects the computer from unauthorized incoming and outgoing data. virus protection program - that helps stop or detect and fix virus problems from happening.
to understand this question, we must first understand what a firewall does. A firewall is a security system that limits the exposure of a computer or computer network to attack from crackers. This means that all a firewall does is prevent other computers from easily accessing it. If you have a software that is a firewall, then it is looking for hackers trying to get into your computer and terminating those connections. A hardware firewall could be anything, such as a router. A router is a great example of a firewall because it turns all the connections from your public IP address and assigns each computer it is connected to a private ip address, making it hard for hackers to access you computer. Your computer itself may also have something similar in it which would be considered a firewall.
The function of a firewall is to block websites from being able to access your computer fully and download worms/viruses/scripts that could harm you computer. It also blocks programs you have on your computer from accessing the Internet unless you allow it to. The function a filter is to block your computer from accessing websites that has inappropriate material and/or could download spyware or other harmful programs onto your computer
This "wall" is refereed to a firewall. A firewall helps to prevent unauthorized access to computers. The program works off of a set of rules or criteria, that determines if an attempted access to the internet should be permitted or denied. In basic terms a firewall acts as a gate between your computer and the internet, determining what goes in and out.