An application designed specifically to prevent unwanted access to or from a private network is called a firewall. In computing, an external network that is thought to be unreliable and insecure is shielded from trusted, secure internal networks by a firewall. It can be a hardware appliance, a software program, or a combination of the two. To guarantee authorization, every message coming into or going out of the intranet needs to be filtered by the firewall. Any message that does not satisfy the required security standards is reported to the firewall and is blocked.
Reasons Why We Need Firewall Configuration
A firewall's configuration is essential for maximizing network security. Just as a web browser is a tool for navigating the online environment, it also acts as a conduit for unauthorized programs like malware, spyware, and viruses to infiltrate your system. This is where the value of a firewall configuration is seen, as it serves as a barrier to keep malicious elements out of your computer and the network port. Firewall configuration, all things considered, removes the possibility of data loss and security breach.