This 18″x24″ color poster (see below) depicts the fields of the TCP header and includes details on:
– TCP options
– Relative Sequence Numbering in Wireshark
– TCP Flag settings (including Nonce, CWR, and ECE)
– Hot Wireshark filters for TCP analysis
– SYN, SYN/ACK, and ACK header structures
– Retransmissions vs. Out-of-Order designations in Wireshark
– Window Scaling functionality
– Header padding requirements
– Sequence and Acknowledgment function
– Selective Acknowledgment function
– Initial Round Trip Time (iRTT) measurement in Wireshark
