TCP Header Flags
In the last lesson, we discussed eight fields of the TCP header. Let's now discuss the last few!
We'll cover the following...
TCP headers have eight 1-bit flags that are imperative to signaling in the protocol.
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Each 1-bit flag is crucial to make the protocol work.
Flags
Let’s have a quick look at what each flag is meant for.
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The eight flags used in TCP headers.
The first four discussed below, namely ACK, RST, SYN, and FIN are used in the establishment, maintenance, and tear-down of a TCP connection.
ACK
This flag is set to ...
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