A TCP segment is made up of a TCP header and a data section. Source Port : A source port is a high numbered port chosen from a special section of ports known as ephemeral ports. A source port is needed so that when the web server replies, the computer making the original request can send this data to the program that was actually requesting it. It is in this way that when it web server responds to your requests to view a web page that this response gets received by your web browser and not your word processor. Destination Port : port on which the client in request the data( The destination port is the port of the service the traffic is intended for ) Sequence Number :This is a 32-bit number that's used to keep track of where in a sequence of TCP segments this one is expected to be.There are limits to the total size of what we send across the wire. In Ethernet frame, it's usually limited in size to 1,518 bytes, but we usually need to send way more data than that. At the transp...
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