Application Layer OSI
The layer we see ## Functions - Habndaling 1. HTTP 2. FTP 3. DNS 53
4. POP3
Common devices [Layer 7
Firewalls](../../../Network/Ref_OSI/L7_FireWalls) - WAF Web
application Firewall - Reverse Proxies Load Balancers -
Next Gen Firewalls Load Balancers