Firewall design and intrusion prevention
Firewall design and intrusion prevention Firewall design is more than blocking traffic. A solid plan aligns security goals with practical rules, reliable monitoring, and scalable deployment. The result is protection that adapts to users, apps, and cloud services without slowing work. Principles of a strong design Default-deny posture: block by default and allow only what is truly needed Clear segmentation: separate zones with purpose, using firewalls and VLANs Least privilege: each rule has a precise purpose and scope Change discipline: document, test, and review changes before going live Visibility: centralized logs and metrics for fast detection A well-documented policy foundation helps teams avoid gaps and accidental openings. Regular reviews and automated checks keep rules clean as threats evolve. ...