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608 B
608 B
tcpdump
Dump traffic on a network
- capture the traffic of a specific interface
tcpdump -i {{eth0}}
- capture all TCP traffic showing contents (ASCII) in console
tcpdump -A tcp
- capture the traffic from or to a host
tcpdump host {{www.example.com}}
- capture the traffic from a specific interface, source, destination and port
tcpdump -i {{eth0}} src {{192.168.1.1}} dest {{192.168.1.2}} and port 80
- capture the traffic of a network
tcpdump net {{192.168.1.0/24}}
- capture all traffic except traffic over port 22 and save to a dump file
tcpdump -w dumpfile.pcap not port 22