TCP Connection (PlantUML State)
Simplified TCP connection states.
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@startuml
[*] --> Closed
Closed --> Listen : open (passive)
Closed --> SynSent : open (active)
SynSent --> Established : SYN+ACK
Listen --> Established : SYN / ACK
Established --> CloseWait : FIN
CloseWait --> Closed : close
Established --> FinWait : close
FinWait --> Closed : ACK
@enduml