This will clean up the timestamp and avoid name resolution: tcpdump -ttttnnr capture.pcap "host 192.168.1.10 It is recommended to use the following commandline to speed up reading existing pcap files. produced by tcpdump -w capture.pcap -s 1550), you can utilize -r flag combined with the same filter: tcpdump -r capture.pcap "host 192.168.1.10" In case you need to filter a previously saved pcap file (e.g. Here is a simple example to capture LIVE packets coming to and from 192.168.1.10: tcpdump -i eth0 -ttttnn "host 192.168.1.10" To include a filter append a quoted filter string in the command line. Tcpdump can be configured to only capture traffic according to specified filter. There are several tools and techniques used to simplify searching and extraction of useful data from captured data. Packet filtering is an important skill when capturing and managing large network dumps.
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