"Firewall rules" are a set of guidelines or instructions that a firewall uses to determine what traffic is allowed to pass through and what traffic is blocked. Full definition
Additionally created firewall rules for required traffic flow and also HIPS exceptions for known applications triggering false positive alerts. (resumemycareer.com)
The project's wiki also hosts a «security hardening» guide to create firewall rules for common scenarios. (techradar.com)
Ensure proactive security via firewall rule changes, load balancer configuration changes and VPNs. (jobhero.com)