Tcpdump: Difference between revisions

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(Created page with "== tcpdump == tcpdump -i <network_interface> -s 0 -w <file> Capture packets to host <ref>https://stackoverflow.com/questions/19960784/tcpdump-capture-packets-to-target-host</ref> tcpdump -i any -s 0 -w <file> host 10.1.1.1 tcpdump -i <network_interface> -s 0 -w <file> host 10.1.1.1 Capture packets and specify both IP and port <ref>https://serverfault.com/questions/1025292/how-to-specify-both-ip-address-and-port-in-tcpdump</ref> tcpdump -i enp1s9 dst 192.168.6.1 a...")
 
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Capture packets and specify both IP and port <ref>https://serverfault.com/questions/1025292/how-to-specify-both-ip-address-and-port-in-tcpdump</ref>
Capture packets and specify both IP and port <ref>https://serverfault.com/questions/1025292/how-to-specify-both-ip-address-and-port-in-tcpdump</ref>
  tcpdump -i enp1s9 dst 192.168.6.1 and src 192.168.6.2 and src port 80
  tcpdump -i enp1s9 dst 192.168.6.1 and src 192.168.6.2 and src port 80
== nfs ==
tcpdump -i eth0 -nn port 2049


== ipv6 ==
== ipv6 ==

Revision as of 21:42, 3 November 2026

tcpdump

tcpdump -i <network_interface> -s 0 -w <file>

Capture packets to host [1]

tcpdump -i any -s 0 -w <file> host 10.1.1.1
tcpdump -i <network_interface> -s 0 -w <file> host 10.1.1.1

Capture packets and specify both IP and port [2]

tcpdump -i enp1s9 dst 192.168.6.1 and src 192.168.6.2 and src port 80

nfs

tcpdump -i eth0 -nn port 2049

ipv6

tcpdump -t -n -i eth0 -s 512 -vv ip6 or proto ipv6

keywords