>_ linuxcommand.dev
Startseite › tcpdump
Monitoring

tcpdump

Network packet sniffer

Ubuntu CentOS Debian SUSE Fedora RHEL macOS
Verified: 2026-03-04
Syntax
$tcpdump [options] [expression]
Optionen
-i
-w
-r
-n
-v
Examples
$tcpdump -i eth0
$tcpdump port 80
$tcpdump -w capture.pcap
$tcpdump -r capture.pcap
See also
wireshark tshark nmap
Typical use cases
?
Standard usage
tcpdump --help
Note Capture network packets for analysis.
Export