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NG-Firewall - Coggle Diagram

- - - - Permit
      - Deny
  - - - Kiểm tra bằng cách so sánh gói tin với Rule
      - IP src/dst, protocol, port src/dst
      - layer 2,3
    - - Layer 2,3,4
    - - Application-Proxy Gateways
      - phức tạp cao, layer 2->7, chủ yếu layer 7
      - Deep Packet inspection
- - - - Deep Packet Inspection inspects all traffic moving through a device
    - - Intrusion Prevention can find and block, application vulnerabilities, worms or Trojans.