A form of firewall that controls input/output or system calls of an application or service
Also known as application layer firewall
3 identifiers linking application firewall across the web's reference databases
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An application firewall is a form of firewall that controls input/output or system calls of an application or service. It operates by monitoring and blocking communications based on a configured policy, generally with predefined rule sets to choose from. The two primary categories of application firewalls are network-based and host-based.