Do not rely on one solution; combine firewalls with intrusion detection systems (IDS) and strong authentication.

Use firewalls to isolate critical systems or vulnerable IoT devices, ensuring that a compromise in one area does not allow unrestricted access to the entire network. Types of Firewalls You NEED to learn about FIREWALLS!

Funnel traffic through a single, controlled point, such as a hardware firewall, rather than allowing unregulated direct connections.

This essay explores key concepts in building effective firewalls, incorporating best practices from industry experts. Key Principles for Building Firewalls

Create strict rules that deny all traffic by default and only allow specific, necessary traffic.