Application Level Filtering Snort:  Allows to set up rules that pass a packet on to another service. Commercial firewalls  Include application level
{"Image DocumentName": "Application Level Filtering", "Image ImageDescription": "Snort: Allows to set up rules that pass a packet on to another service. Commercial firewalls. Include application level filters for many products. Use non-disclosure agreement to obtain proprietary protocols.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}