Hi Freek, >>> I am trying to monitor the traffic between my linux system and an external >>> bluetooth system using the command "hcidump -i hci0 -w filename". I only >>> catch some traffic from the host to the external device, but nothing from >>> the device to the host. I analyze the file using wireshark. >> >> you need a newer Wireshark version. I remember it had some issues with >> correctly decoding the base packet types. Double check with btmon or >> hcidump that all traffic is actually in the file. > > I finally found the cause. The bluetooth communication was between an > application of a normal user and the device. I used hcidump from the same > user. Now that I use hcidump as root I get all the traffic. Silly mistake. > > I would propose to put some text in the man page of hcidump about using the > command only as root. Maybe it should be installed in sbin instead of bin. just start using btmon instead of hcidump. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html