Quick test: try opening with tshark and forcing raw payload as Ethernet (if you suspect it is Ethernet with extra header):
: If you cannot upgrade your analysis tools, avoid using the any interface during capture. Instead of tcpdump -i any , specify a single physical interface like eth0 or wlan0 to use a more standard link type.
Running tcpdump -i any -w file.pcap on modern Linux distributions (like Ubuntu 22.04+ or recent Kali Linux). How to Fix the Error
Quick test: try opening with tshark and forcing raw payload as Ethernet (if you suspect it is Ethernet with extra header):
: If you cannot upgrade your analysis tools, avoid using the any interface during capture. Instead of tcpdump -i any , specify a single physical interface like eth0 or wlan0 to use a more standard link type. -pcap network type 276 unknown or unsupported-
Running tcpdump -i any -w file.pcap on modern Linux distributions (like Ubuntu 22.04+ or recent Kali Linux). How to Fix the Error Quick test: try opening with tshark and forcing