Lab 1 Β· Securing Data Flow Across the OSI Model
OSI 7-Layer Packet Tracer & Security Inspector
Simulate packet encapsulation top-to-bottom and evaluate inline controls including Router ACLs (L3), Stateful Firewalls (L4), and Web Application Firewalls (L7).

Business Scenario: Your organization is exposing internal web applications to external partners. Where should security controls inspect payloads without degrading network throughput?












