After much back and forth, it appears that most people *also* have no idea how TCP ports are actually implemented at the lowest levels.https://twitter.com/EmilyGorcenski/status/1026939399395831810 …
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Like, say there were only 16 ports, I could imagine the port number being implemented like a rotation mod 17 or something like that. Not dissimilar to how QAM works for example
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Exactly. Here's a TCP layout. UDP is generally similar but without the flow control part.pic.twitter.com/ApemPvTtmX
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So there are 65,536 TCP ports on each IP address?
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0 is reserved, I believe, so 65535.
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Yea, it's first and second. 16 bits, network order (big-endian) https://en.wikipedia.org/wiki/Transmission_Control_Protocol#TCP_segment_structure …
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This is the answer I need! Now off to discover what makes a wine a port and what the difference is between a port and a harbor
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