Packet Captures: Difference between revisions
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|Capture packets with proper readable timestamp || tcpdump -n -tttt -i eth0
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|Read packets only longer or smaller than N bytes || tcpdump -w capture.pcap greater 1024<br />tcpdump -w capture.pcap less 1024
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|Receive only the packets of a specific protocol type || tcpdump -i eth0 arp
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|Capture TCP communication packets between two hosts || tcpdump -w comm.pcap -i eth0 udp and \(host 172.20.68.176 and host 172.24.173.9\)
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|Filter Packets – Capture all the packets other than arp and rarp || tcpdump -i eth0 not arp and not rarp<br />'and' 'or' and 'not' condition are used to filter the packets
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