A firewall is a specialized program used to protect a computer's OS from various viruses and hacker attacks. It also monitors the likelihood of connecting to malicious connections by blocking them. This way you can protect your personal information. Always built into Windows by default, unlike third-party software called firewalls.
A firewall is required to perform the following tasks:
Some users give up using a firewall after installing an antivirus program. To make sure that the software copes with the task at hand, it is enough to check the current tasks and files with which the antivirus works.
When choosing a firewall, you need to pay attention to several important criteria:
In some cases, a firewall can block the Internet, but this problem can be solved. First, decide how many resources are blocked and whether there is a connection to the network itself. Therefore, it is recommended to take a few simple steps in turn:
In some cases, a simple reboot of the device is sufficient, if it does not help, try the other recommendations.
It is very easy to configure the program to work continuously, you just need to enable the program to work after the first start of the computer. Depending on the current OS, the interface may change slightly, but the principle remains the same. You just need to click the "Enable" button and select for which network you plan to use the firewall.
Internal services are configured in the same place. If necessary, you can adjust the operation of applications by adding them to exceptions or control the operation of the device exclusively on a public network. It all depends solely on your online activity and desire.
You cannot remove the built-in firewall, but you can disable all of its monitoring functions if necessary and also enable it again.