packet inspection
dive into the deep of network traffic
literature:
start with the network models
:
- OSI Model
- The OSI basic model was standardized as ISO/IEC 7498 in 1983
- The industry recommended standart
- TCP/IP
- Almost all networks in use today have standardized on the TCP/IP model
- Also know as the DoD model (Department of Defense)
the seven layer OSI model:
layer | name | protocols |
---|---|---|
layer 7 | application layer | https smtp ftp ssh |
layer 6 | presentation layer | ascii mpeg jpeg midi |
layer 5 | session layer | netbios sap sdp nwlink |
layer 4 | transport layer | tcp udp spx |
layer 3 | network layer | ip ipx |
layer 2 | datalink layer | ethernet token-ring fddi appletalk |
layer 1 | physical layer | wired wireless |
19-12-2020