tcpdump

a powerful command-line packet analyzer

Software package · tcpdump.org

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What tcpdump’s own pages say

What it says it doesa powerful command-line packet analyzer tcpdump.org
Open sourceYes tcpdump.org
Licensetcpdump and libpcap are under a 3-clause BSD license . tcpdump.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.