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Tutorials on various IT applications.

Examples of tcpdump command usage

Purpose	Command
Capture from specific source IP	`tcpdump src 1.1.1.1`
Capture to specific destination IP	`tcpdump dst 1.0.0.1`
Capture packets to or from a specific subnet	`tcpdump net 1.2.3.0/24`
Generate HEX output	`tcpdump -X`