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Last active November 12, 2019 04:00
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simple tcpdump traffic size analysis
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readme.md

capture traffic to specific host over specific time

timeout 10h tcpdump -n -e host 127.0.0.1 -w /tmp/traffic_10h.log

get cumulated size from all traffic - tcpdump version 4.9.2

tcpdump -e -n -r /tmp/traffic_10h.log tcp | sed -r -E -n "s/(^.*, length) ([0-9]{1,4}):(.*)/\2/p" | awk '{sum+=$1; print sum}' | numfmt --to=iec-i --suffix=B --padding=7
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