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Tool for network monitoring and data acquisition

Tcpdump allows you to dump the traffic on a network. It can be used to print out the headers of packets on a network interface that matches a given expression. You can use this tool to track down network problems, to detect "ping attacks" or to monitor the network activities.



Verified by

Verified on


Verified on

29 June 2021


License, see also bsd2 or bsd3

Leaders and contributors

See the CREDITS file in the distribution for a complete list Contributor
The Tcpdump Group Maintainer

Resources and communication

AudienceResource typeURI
Bug Tracking
Ruby (Ref)
Debian (Ref)

Software prerequisites

Required to uselibpcap


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