What is a firewall's primary function?

A firewall's primary function is to monitor and control network traffic. This is achieved by setting rules that determine which data packets can enter or leave the network. By evaluating incoming and outgoing traffic based on predetermined security rules, a firewall helps to protect networked devices from unauthorized access and potential threats. This is crucial for maintaining network security, as it serves as a barrier between trusted internal networks and untrusted external networks, like the internet.

While firewalls can help mitigate some forms of attacks, such as blocking malicious connections that may be used in phishing attempts, their main role does not specifically target phishing attacks or focus on user access management. Encryption and access management are important aspects of cybersecurity, but they are not functions performed by a firewall. The primary role of a firewall remains centered on managing traffic to ensure the safety and integrity of the network.