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State Diagram Updated 8/11/2026

TCP Connection State Machine Diagram

State diagram of the TCP connection lifecycle, showing how a socket moves through states such as LISTEN, SYN_SENT, ESTABLISHED, FIN_WAIT, CLOSE_WAIT, and TIME_WAIT during setup and teardown.

tcpstate machinenetworkingconnection lifecyclesocket states
13 nodes 16 connections

How can I use this state diagram?

Download the TCP Connection State Machine Diagram as a PNG or SVG, or open it in the studio to edit your own copy. To draw a similar state diagram from a description, use the state diagram generator; for notation and a step-by-step walkthrough, read how to draw a state diagram; and browse more state diagram examples for related layouts.

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