A firewall is a security barrier between your computer and the computers you connect to, when you connect to the Internet, you are exposed to the outside world. Then the ports on your computer are opened and closed. We mostly use port 80. You may have heard a word called port 80. It is through that port that we often connect to the Internet. There are many other ports. A firewall is used to close the ports that are open and useless. A firewall must be on your computer if you connect to the Internet.
If there was no firewall…
If you don’t have a firewall on your computer, your computer can be attacked in a moment, and computer viruses, worms, trojans, etc. will find your computer and get installed on it.
Types of firewalls
Mainly we find two types of firewalls, hardware firewalls and software firewalls, hardware firewalls are the firewalls in your routers, software firewalls are the firewall software that you have installed externally, if a hacker comes to your computer, then you are safe from all these. I want to come in.
Which firewall is good?
I mean to install one of the two virus guards, Kaspersky or Bitdefender, both of them have a very good firewall included, so now you know the value of a firewall, so don’t forget to install a firewall, if it comes with Windows, you can also install the virus guard Isn’t it good…