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What does a port number mean? Who set the numbers 3389, 5005, and 8080? Understand port mapping and port conflicts all at once
Helping my cousin set up remote desktop port mapping, and when entering external port 13389, he asked why, and I realized I had always only half understood port numbers. Find the IP address and the port, then the room. The 65,535 accounts are divided into three tiers. I organized the frequently overlapping household accounts into a list, and 8,080 was occupied in three steps to find the real culprit....
