2014-03-01 04:25:34 +00:00
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# tcpdump
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> Dump traffic on a network
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- capture the traffic of a specific interface
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`tcpdump -i {{eth0}}`
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- capture all TCP traffic showing contents (ASCII) in console
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`tcpdump -A tcp`
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- capture the traffic from or to a host
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2014-03-02 07:20:23 +00:00
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`tcpdump host {{www.example.com}}`
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2014-03-01 04:25:34 +00:00
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- capture the traffic from a specific interface, source, destination and port
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`tcpdump -i {{eth0}} src {{192.168.1.1}} dest {{192.168.1.2}} and port 80`
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- capture the traffic of a network
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`tcpdump net {{192.168.1.0/24}}`
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2014-08-18 10:04:06 +01:00
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- capture all traffic except traffic over port 22 and save to a dump file
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2014-03-27 18:46:32 +00:00
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2014-08-18 10:04:06 +01:00
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`tcpdump -w dumpfile.pcap not port 22`
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2014-08-18 07:22:39 +01:00
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