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Trying to setup kbluetoothd with my bluetooth headset, I had it connected not that long ago and after a reboot and using the bluetooth headset on another machine it no longer authenticates. It doesnt ask me for the pin either, and I cant seem to setup a new pin using the bluez-pin with bzaddr. I've also tried most of the other pin utils including making a .bash script file.
Perhaps some protocol or authentication type is missing I just cant tell. Unless the device itself has been altered by being paired with a windows machine. Take a look below for the config/debugging info.
Below is hcidump -X -V:-
shodan:/etc/bluetooth# hcidump -V -X
HCI sniffer - Bluetooth packet analyzer ver 1.23
device: hci0 snap_len: 1028 filter: 0xffffffff
> HCI Event: Connect Request (0x04) plen 10
bdaddr 00:0D:44:2F:8C:C0 class 0x20040c type ACL
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
bdaddr 00:0D:44:2F:8C:C0 role 0x01
> HCI Event: Command Status (0x0f) plen 4
Accept Connection Request (0x01|0x0009) status 0x00 ncmd 1
> HCI Event: Link Key Request (0x17) plen 6
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
bdaddr 00:0D:44:2F:8C:C0 key C9295D90AF0463360C848B55881C2A11
> HCI Event: Command Complete (0x0e) plen 10
Link Key Request Reply (0x01|0x000b) ncmd 1
status 0x00 bdaddr 00:0D:44:2F:8C:C0
> HCI Event: Connect Complete (0x03) plen 11
status 0x05 handle 1 bdaddr 00:0D:44:2F:8C:C0 type ACL encrypt 0x00
Error: Authentication Failure
You can see the link key requests taking place, Connect Complete, but then Authentication Failure, this is repeat continously.