TCP/IP and tcpdump

The SEC503 TCP/IP and tpdump Cheatsheet is an excellent resource for students of SEC503: Intrusion Detection In-Depth. In addition to information on TCP and tcpdump usage, it includes quick-reference material on commonly used acronyms, UDP header, ARP, DNS, ICMP, and IPv4 header. 

This easy-to-reference cheat sheet would also be useful to students of SEC401, SEC573, SEC560, FOR572, and MGT512.
September 2, 2021