You need to learn TCP/IP. It's so much part of our life. Doesn't matter if you are studying for cybersecurity, or networking or something else. Learn TCP/IP.

// MENU //
00:00 ▶ Intro
01:32 ▶ The beginnings of TCP
03:57 ▶ Three way handshake
07:20 ▶ SYN meaning/explanation
08:50 ▶ Port numbers
09:58 ▶ What actually happens in the handshake
14:19 ▶ Common starting TTL values
15:04 ▶ Why we need SYN numbers
16:11 ▶ What actually happens in the handshake (cont'd)
19:00 ▶ Q&A (SYN,SYNACK,ACK Sequence numbers Increments Tips)
33:01 ▶ History of TCP
34:44 ▶ TCP options
36:56 ▶ TCP flags
41:53 ▶ TCP Window window size and scale
59:04 ▶ MSS (Maximum Segment Size)
59:49 ▶ SACK (Selective Acknowledgement)
01:00:13 ▶ Conclusion

// PCAP File //
Wireshark TCP pcap file: https://www.dropbox.com/s/l5p8ofik86z...

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