'Why is the port on the first step of TCP 3 way handshake different to the second and third step?
I have used Wireshark to capture the packets of three-way TCP handshake, however I have noticed a slight anomaly. In wireshark, the capture frame shows:
56421 -> HTTP(80) [SYN]
HTTP(80) -> 56419 ]SYN, ACK]
56419 -> HTTP(80) [ACK]
Why is the first Port 56421 and the second and third Port 56419?
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