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TCP Header: Networking & TCP/IP Tutorial. Another GeekyVid

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TCP Header: Networking & TCP/IP Tutorial. Another GeekyVid

Today we examine the TCP header in great detail
let’s look at the location of TCP in the TCP/IP stack
resides in the transport layer which is layer 4
note the transport layer contains UDP and TCP
you going to either use TCP or UDP but not both. TCP is much more complex because it’s connection oriented

Let’s examine the fields in detail
source port
destination port
sequence number
acknowledgment number
HL EN
Reserved
URG
ACK
PSH
RST
SYN
FIN
window size
checksum
urgent pointer
options+ padding

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