Message-ID: <412DA511.9090309@lawatsch.at>
From: Philip Lawatsch <philip@lawatsch.at>
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To: Michael Schmidt <schmidt@nue.et-inf.uni-siegen.de>
CC: bluez-users@lists.sourceforge.net
Subject: Re: [Bluez-users] Limit communication to serveral devices
References: <412D99CA.5050209@nue.et-inf.uni-siegen.de>
In-Reply-To: <412D99CA.5050209@nue.et-inf.uni-siegen.de>
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Sender: bluez-users-admin@lists.sourceforge.net
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Date: Thu, 26 Aug 2004 10:53:37 +0200

Michael Schmidt wrote:
> Hi Philip,
> 
>> Call me paranoid but I would like to know if there is any way to limit 
>> all types of communication to just several devices by checking with 
>> the hardware addresses.

>> I do understand that even this is no guarantee for anything, but I'd 
>> for sure feel better  :) 

> When assessing your level of security (and evaluating address 
> filtering), keep in mind that it's not too difficult to masquerade BT 
> device addresses. You only neeed to look up the Axis OpenBT stack source 
> code to figure out how to adjust the device address of certain Ericsson 
> and CSR-based modules.
> 
> Clearly, your main line of defense should be a strong BT PIN.

Of course, I totally agree (and stated that in my previous mails).

However, the last thing I want to see is some sort of warchalking (or 
bluechalking?) outside my flat ...

Next thing on the list is using vpn over ppp over bluetooth :)


kind regards Philip


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