- Opening
- SYN starts the call from the client (state NEW)
- SYN + ACK the server answers
- ACK the client answers the server's SYN (state ESTABLISHED)
- Closing
- FIN from both ends
- ACKs to respond as packets arrive
- Error – a RST is sent (e.g., packets arriving for a non-existent
connection)
© 2002 David Anselmi