Re: [maemo-users] Bluetooth visibility

2006-07-26 Thread Nils Faerber
Collin R. Mulliner schrieb:
> FYI: I'm currently working on a Bluetooth configuration panel which
> should solve some of your problems. About the security of the OBEX

Ah, cool!
Looking forward to it!

> server, this can be easily solved through the requirement of pairing.
> My sobexsrv for example supports this (the Bluetooth config panel will
> also allow sobexsrv configuration).

Well, this was just an example for "a" service. Later we'll hopefully
see more than just OBEX. What I wanted to say with this example is that
the 770 is currently, Bluetooth-wise, a booring device, no services
offered at all. So most Bluetooth hackers will turn away from it
quickly. But the more services we get the more possibility we get that
some service might be broken or volnerable.

Anyway, good to see that actually people are aware of it ;)

> Collin
Cheers
  nils faerber

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Re: [maemo-users] Bluetooth visibility

2006-07-26 Thread Collin R. Mulliner
FYI: I'm currently working on a Bluetooth configuration panel which
should solve some of your problems. About the security of the OBEX
server, this can be easily solved through the requirement of pairing.
My sobexsrv for example supports this (the Bluetooth config panel will
also allow sobexsrv configuration).

Collin

On Wed, 2006-07-26 at 16:24 +0200, Nils Faerber wrote:
> Hi!
> I just discovered (by accident) that my 770 is practically almost always
> visible via Bluetooth. I am not sure if I really want this...
> 
> More description...
> I have enabled the feature that connections are *not* dropped when the
> cover is closed. This enables carrying the device around and stay
> connected to IM and VOIP - very nice.
> But at the same time the Bluetooth interface is now always up and the
> device is also always visible.
> 
> Well, I asked for it since I enabled the "stay connected" option but at
> least for Wifi I can decide when to disconnect and thus down the Wifi
> interface. Not so with the Bluetooth interface.
> 
> I have two concerns about this.
> One is security. Currently the 770 does not offer any services but one
> could install e.g. a BT-OBEX server to accept OBEX transfers. In that
> case and the 770 being always visible makes the device an easy target
> for hackery.
> The second concern is about power consumption. I guess that the
> Bluetooth device consumes more power if it is kept visible (and up) than
> it would if being down (and not visible).
> 
> Basically what is missing is a simple way for the user to switch the
> Bluetooth on and off, same as it is for a long time in mobile phones.
> 
> Maybe as an idea for a IT2006-2 edition ;)
> 
> Cheers
>   nils faerber
> 
--
Collin R. Mulliner <[EMAIL PROTECTED]>
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info/pgp: finger [EMAIL PROTECTED]
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[maemo-users] Bluetooth visibility

2006-07-26 Thread Nils Faerber
Hi!
I just discovered (by accident) that my 770 is practically almost always
visible via Bluetooth. I am not sure if I really want this...

More description...
I have enabled the feature that connections are *not* dropped when the
cover is closed. This enables carrying the device around and stay
connected to IM and VOIP - very nice.
But at the same time the Bluetooth interface is now always up and the
device is also always visible.

Well, I asked for it since I enabled the "stay connected" option but at
least for Wifi I can decide when to disconnect and thus down the Wifi
interface. Not so with the Bluetooth interface.

I have two concerns about this.
One is security. Currently the 770 does not offer any services but one
could install e.g. a BT-OBEX server to accept OBEX transfers. In that
case and the 770 being always visible makes the device an easy target
for hackery.
The second concern is about power consumption. I guess that the
Bluetooth device consumes more power if it is kept visible (and up) than
it would if being down (and not visible).

Basically what is missing is a simple way for the user to switch the
Bluetooth on and off, same as it is for a long time in mobile phones.

Maybe as an idea for a IT2006-2 edition ;)

Cheers
  nils faerber

-- 
kernel concepts  Tel: +49-271-771091-12
Dreisbachstr. 24 Fax: +49-271-771091-19
D-57250 Netphen  Mob: +49-176-21024535
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