tcpdump: Difference between revisions
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=== Flags === | === Flags === | ||
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|+ Tcpdump flags | |+ Tcpdump flags | ||
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Revision as of 16:16, 10 May 2025
Tcpdump prints out a description of the contents of packets on a network interface that match the boolean expression. Many flags need root permissions to run.
Install
# apt install tcpdump
Flags
| Flag | Description |
|---|---|
| -D | List all interfaces. |
| -C | Max file size to save, all files will have subsequent numbers. |
| -W | Limit the limit the number of files, use with -C. |
List all interfaces
# tcpdump -D
File size and file limits
# tcpdump -C300 -W4
