Difference between revisions of "Tcpdump example with useful flags"
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# tcpdump -w - | tee capture.pcap | tcpdump -r - (write to file and standard output the same time) | # tcpdump -w - | tee capture.pcap | tcpdump -r - (write to file and standard output the same time) | ||
# tcpdump -s0 -C 100 -W 10 (full packet size, split files into 100MB, and circular buffer using 10 files) | # tcpdump -s0 -C 100 -W 10 (full packet size, split files into 100MB, and circular buffer using 10 files) | ||
| + | # tcpdump -A -i any -vv (dump packets on screen in ASCII, handy for web traffic) | ||
Latest revision as of 14:17, 1 September 2024
tcpdump - Network packet capture (Sniffer)
# tcpdump -n -i eth0 net 10.1.1.0/24 and host 10.2.2.2 and port 80 # tcpdump -n -i eth0 'host 10.1.1.1 and (port 80 or 443)' # tcpdump -w - | tee capture.pcap | tcpdump -r - (write to file and standard output the same time) # tcpdump -s0 -C 100 -W 10 (full packet size, split files into 100MB, and circular buffer using 10 files) # tcpdump -A -i any -vv (dump packets on screen in ASCII, handy for web traffic)