Reply To: I want to detect new TCP Session open.

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#5641

Vadim Smirnov
Moderator

I think you’d better reference some book or RFC for this question. In general TCP session established in three steps:
1) SYN-packet (TCP packet with SYN flag set) from client to server.
2) ACK-SYN packet from server to client
3) ACK packet from client to server.