Snort mailing list archives

ERROR: Cannot decode data link type 127


From: Paul Li <paul () scybersecurity com>
Date: Tue, 6 Jun 2017 23:11:29 -0400

I used mac80211_hwsim create a virtual interface, looks like the following

wlan0     Link encap:UNSPEC  HWaddr
02-00-00-00-00-00-3A-30-00-00-00-00-00-00-00-00
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

When I ran snort as the following

sudo snort -A console -c /etc/snort/snort.conf -i wlan0

After all the information printed out, I've got the following error:
...
pcap DAQ configured to passive.
Acquiring network traffic from "wlan0".
Reload thread starting...
Reload thread started, thread 0x7ff2ead91700 (11756)
ERROR: Cannot decode data link type 127
Fatal Error, Quitting..

Any thought?

Thanks,
Paul
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