Packets

Mar 12, 2020

Print a summary of the transmitting hosts present in the output from tcpdump:

tcpdump >packet-summaries
[Ctrl-C]
cat packet-summaries | egrep ^.{16}IP | awk '{ print $3 }' | sed 's/\(.*\)\..*/\1/g' \
                     | sort | uniq -c | sort -n