Tcpdump cheat sheet: Difference between revisions
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=== Display | === Display packets from A.B.C.D on interface eth0, no name resolution === | ||
<pre>tcpdump -i eth0 -s 0 -nnn host | <pre>tcpdump -i eth0 -s 0 -nnn host A.B.C.D</pre> | ||
| | ||
=== Save packets to tracefile <filename> on interface eth0 with | === Save packets to tracefile <filename> on interface eth0 with exclusion of ssh === | ||
<pre>tcpdump -i eth0 -s 0 -w <filename> port not 22 | <pre>tcpdump -i eth0 -s 0 -w <filename> port not 22 | ||
</pre> | </pre> | ||
Revision as of 13:23, 21 April 2020
Display packets from A.B.C.D on interface eth0, no name resolution
tcpdump -i eth0 -s 0 -nnn host A.B.C.D
Save packets to tracefile <filename> on interface eth0 with exclusion of ssh
tcpdump -i eth0 -s 0 -w <filename> port not 22
Save icmp packets to tracefile <filename> on interface eth0
tcpdump -i eth0 -s 0 -w <filename> icmp
Packets from host A.B.C.D on port 1234
tcpdump -i eth0 -s 0 host A.B.C.D && port 1234
Packets on port 1234 for 10 minutes (dump tracefile <filename> once after 600 seconds)
tcpdump -i eth0 -s 0 -G 600 -W 1 -s 0 -w <filename> port 1234
Stop
<Ctrl>-C