Firewalls are network security devices or software that monitor and control incoming and outgoing network traffic based on predetermined security rules Helping users set up and configure firewall rules to control traffic and enforce security policies. Diagnosing and resolving issues related to firewall configuration, rule conflicts, performance problems, and connectivity issues. Reviewing and optimizing firewall rules to improve security posture and performance while minimizing false positives and negatives. Advanced features: Assisting with the configuration of advanced firewall features such as intrusion detection and prevention systems (IDPS), virtual private networks (VPN), and application-layer filtering.