Tcpdump listen on all interfaces

#1 · 18/10/2020, 9:22 am

Problem

User wants to debug outgoing and incoming traffic on multiple interfaces

Solution

tcpdump -i any

Note

any tcpdumps such as port, type, dest etc. can be applied

#2 · 18/10/2020, 9:23 am

Examples

Debug Fluentd sending data to logz.io on multiple interfaces

sudo tcpdump -i any tcp port 24224 -X -s 0 -nn