[rsbac] CAP learning mode and RC learning mode

Michał Purzyński michal at rsbac.org
Wed Sep 30 12:19:28 CEST 2009

Definitely i can see the RC learning mode per role as 1.5 feature.  
Maybe one of the best :)
There's quite much to learn and to think about in the design process  
to make it both useful and secure.

Sent from my iPhone

On Sep 30, 2009, at 11:00 AM, Amon Ott <ao at rsbac.org> wrote:

> On Tuesday 29 September 2009 wrote Amon Ott:
>> On Tuesday 29 September 2009 wrote Javier J. Martínez Cabezón:
>>> Hi amon, thanks for your answer and thanks for CAP learning mode, in
>>> RC learning mode users should take it just as a starting point after
>>> analize their system and setting the necessary roles and types and  
>>> we
>>> could advice it, RC learning mode will add necessary rights to the  
>>> new
>>> created role to the necessary types (it will save a lot of time of
>>> review logs looking for DENIED AEF answers). We could add an  
>>> advise to
>>> the user to be careful with the policies generated at this way.
>> Just had the idea that RC learning mode could be enabled per role,  
>> so you
>> will only mess up single roles. E.g. create a new role and let it  
>> learn the
>> rights to your existing types.
> Current svn now also contains a simple, global RC learning mode.  
> Kernel
> parameter rsbac_rc_learn will set all missing rights of all existing  
> roles to
> types.
> Of course, all learning modes are strictly optional, disabled in  
> kernel config
> by default and turned off by default.
> Learning mode per role is planned, but needs a new on-disk version  
> of the role
> list, so there is no way back to a previous RSBAC version. This  
> means that it
> probably goes into a new RSBAC 1.5 only. Alternatively, we could  
> split the
> role list into two, adding some small overhead if learning is  
> enabled and
> adding a set of extra functions to access the new list.
> Amon.
> -- 
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