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@pgwillia
Last active August 3, 2016 17:02
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tcpdump basic usage
# tcpdump -s 1514 port 80 -w capture_file
# tcpdump -r capture_file
# tcpdump host 1.2.3.4
# tcpdump src 2.3.4.5
# tcpdump dst 3.4.5.6
# tcpdump net 1.2.3.0/24
# tcpdump icmp
# tcpdump port 3389
# tcpdump src port 1025
# tcpdump dst port 389
# tcpdump src port 1025 and tcp
# tcpdump udp and src port 53
# tcpdump portrange 21-23
# tcpdump less 32
# tcpdump greater 128
# tcpdump > 32
# tcpdump <= 128
tcpdump -nnvvXSs 1514
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