(1- opening........................................ 22- teacher fanweidao's sniffer course materials........................................ 53- my own views........................................ 284- basic principles of sniffing........................................ 345-sniffer (sniffer) introduction........................................ 516-sniffer Introduction (I) ............................... introduction to the use of 667 sniffer (II)............................... 818 sniffer learning TCP........................................ 1019 sniffer principle........................................ 12810 basic use and examples of Sniffer Pro (I)..................... 13210 basic use and examples of Sniffer Pro (II)........................ 151)