I have tried unblock, and nothing seems to help.
Frequently when I connect my Android phone to my bluez 5.47 device I
see (btmon):
> HCI Event: Number of Completed Packets (0x13) plen 5
#36 [hci0]
5.709020
Num handles: 1
Handle: 1
Count: 1
< ACL Data TX: Handle 1 flags 0x00 dlen 16
#37 [hci0]
5.714589
L2CAP: Connection Response (0x03) ident 4 len 8
Destination CID: 64
Source CID: 81
Result: Connection refused - security block (0x0003)
Status: No further information available (0x0000)
This is using connecting from Android 7 to Bluez 5.47.
[bluetooth]# info DC:74:A8:05:39:77
Device DC:74:A8:05:39:77
Name: John Cell Phone
Alias: John Cell Phone
Class: 0x005a020c
Icon: phone
Paired: yes
Trusted: yes
Blocked: no
Connected: no
LegacyPairing: no
UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
UUID: PANU (00001115-0000-1000-8000-00805f9b34fb)
UUID: NAP (00001116-0000-1000-8000-00805f9b34fb)
UUID: Handsfree Audio Gateway (0000111f-0000-1000-8000-00805f9b34fb)
UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: Vendor specific (936da01f-9abd-4d9d-80c7-02af85c822a8)
Modalias: bluetooth:v0075p0100d0200
[bluetooth]# show
Controller 00:23:A7:49:67:FB
Name: MTCDT-pan-Bluez
Alias: MTCDT-pan-Bluez
Class: 0x00020000
Powered: yes
Discoverable: yes
Pairable: yes
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: NAP (00001116-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d052F
Discovering: no
$ bluetoothctl -v
5.47
======================================================
Hi Luiz,
On Wed, Nov 15, 2017, Luiz Augusto von Dentz wrote:
> > Frequently when I connect my Android phone to my bluez 5.47 device I
> > see (btmon):
> >
> > > HCI Event: Number of Completed Packets (0x13) plen 5
> >
> > #36 [hci0]
> > 5.709020
> > Num handles: 1
> > Handle: 1
> > Count: 1
> > < ACL Data TX: Handle 1 flags 0x00 dlen 16
> >
> > #37 [hci0]
> > 5.714589
> > L2CAP: Connection Response (0x03) ident 4 len 8
> > Destination CID: 64
> > Source CID: 81
> > Result: Connection refused - security block (0x0003)
> > Status: No further information available (0x0000)
> >
> > This is using connecting from Android 7 to Bluez 5.47.
>
> I think this might be due to not having a default agent set which is
> needed if the devices is not trusted so it would require agent
> authorization.
It could also be the USB HCI race between ACL data and HCI events. It's
hard to say for sure though since the complete HCI log was not provided.
Johan
Hi John,
On Tue, Nov 14, 2017 at 11:45 PM, John Klug <[email protected]> wrote:
> I have tried unblock, and nothing seems to help.
>
> Frequently when I connect my Android phone to my bluez 5.47 device I
> see (btmon):
>
> > HCI Event: Number of Completed Packets (0x13) plen 5
>
> #36 [hci0]
> 5.709020
> Num handles: 1
> Handle: 1
> Count: 1
> < ACL Data TX: Handle 1 flags 0x00 dlen 16
>
> #37 [hci0]
> 5.714589
> L2CAP: Connection Response (0x03) ident 4 len 8
> Destination CID: 64
> Source CID: 81
> Result: Connection refused - security block (0x0003)
> Status: No further information available (0x0000)
>
> This is using connecting from Android 7 to Bluez 5.47.
I think this might be due to not having a default agent set which is
needed if the devices is not trusted so it would require agent
authorization.
>
> [bluetooth]# info DC:74:A8:05:39:77
> Device DC:74:A8:05:39:77
> Name: John Cell Phone
> Alias: John Cell Phone
> Class: 0x005a020c
> Icon: phone
> Paired: yes
> Trusted: yes
> Blocked: no
> Connected: no
> LegacyPairing: no
> UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
> UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
> UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
> UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
> UUID: PANU (00001115-0000-1000-8000-00805f9b34fb)
> UUID: NAP (00001116-0000-1000-8000-00805f9b34fb)
> UUID: Handsfree Audio Gateway (0000111f-0000-1000-8000-00805f9b34fb)
> UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
> UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
> UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
> UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
> UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
> UUID: Vendor specific (936da01f-9abd-4d9d-80c7-02af85c822a8)
> Modalias: bluetooth:v0075p0100d0200
>
> [bluetooth]# show
> Controller 00:23:A7:49:67:FB
> Name: MTCDT-pan-Bluez
> Alias: MTCDT-pan-Bluez
> Class: 0x00020000
> Powered: yes
> Discoverable: yes
> Pairable: yes
> UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
> UUID: NAP (00001116-0000-1000-8000-00805f9b34fb)
> UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
> UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
> UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
> UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
> Modalias: usb:v1D6Bp0246d052F
> Discovering: no
>
> $ bluetoothctl -v
> 5.47
> ======================================================
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--
Luiz Augusto von Dentz