What is a firewall in computer network? & its types.
What is a firewall in a computer network? & its types.
Guys are you looking for "what is a firewall". If yes, you have chosen the perfect post. Today I will give you complete information about Firewall in simple words.
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What is Firewall?
Due to which the virus of the patient's body does not reach the doctors' body and thus they are protected from this virus. It is a type of safety shield. Similarly, firewall technology is used to protect computers and systems from viruses, hackers, and other harmful software, sites, applications.
Type of Firewall:
•Hardware firewall :
When various computers are connected to the same network through a modem or router and the firewall system is activated, then the firewall system starts working in all those computers and all those computers are protected from malware and harmful data.
•Software Firewall :
Apart from this, many types of Antivirus software such as - Quickheal, Avast, etc. are also present in the device by default which protects the systems and devices from the virus. They are also known as Software Firewall.
Use of Firewall :
The web is good but it is dangerous also. Many times using the internet, some unintentional data, files, applications enter our computer system which can delete all our data or collect our personal and secret data and pass it on to the hacker. So you may have to suffer a great loss.
The virus can destroy the entire system by entering our computer system. To avoid this danger, we use a Firewall on the computer. It prevents any undesirable data or files from entering our system without our permission and keeps our system safe.
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