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tcpreplay, tcprewrite and tcpdump cheat sheet
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| Visualization (tcpdump, tshark) | |
| tcpdump -qns 0 -X -r file.pcap | |
| tcpdump -qns 0 -A -r file.pcap | |
| tcpdump -X -r file.pcap | |
| tshark -r file.pcap -V | |
| Packet manipulation (tcprewrite) | |
| Port: tcprewrite --portmap=OLDPORT:NEWPORT -i in.pcap -o out.pcap | |
| Dest IP: tcprewrite --dstipmap=OLDIP:NEWIP -i in.pcap -o out.pcap | |
| Regardless of Dest IP: tcprewrite --dstipmap=0.0.0.0/0:NEWIP -i in.pcap -o out.pcap | |
| Packet manipulation (tshark) | |
| Extract based on flow: tshark -nr input.pcap -Y "tcp.stream eq 1" -w stream.pcap | |
| Packet replay (tcpreplay) | |
| Loop file: tcpreplay -i eth0 --loop=10 final.pcap |
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