Which aspect is NOT related to the general function of firewalls?

The function of firewalls is primarily to monitor, filter, and control incoming and outgoing network traffic based on predetermined security rules. This is crucial in protecting networks from unauthorized access and potential threats.

The aspect that is not typical of how firewalls function is the idea that all traffic is allowed by default. In fact, the standard practice for firewalls is to block all traffic by default unless explicitly allowed through security policies. This approach follows the principle of least privilege, ensuring that only the necessary traffic is permitted while blocking everything else until specific access is granted.

The other aspects, such as monitoring and filtering incoming traffic, blocking unauthorized access attempts, and establishing security policies for networks, are integral to a firewall's operation and overall security architecture. These functions work together to create a secure environment by managing and controlling network traffic effectively.