David,
See below.

David wrote:

 > Hi,
 >
 > I'm trying to get a good understanding of the new security model.
 > I've read the security proposal (several times) and I've been
 > perusing the configuration files.  There are a couple of things I'm
 >  not clear on.  These are the things that are obvious to me.
 >
 > 1) there is a many-to-many relationship between users and roles
Yes, although this is dictated by the implementation.  In the case of 
the implementation distributed with Jetspeed, their is many-to-many 
relationship between users and roles.

 >
 > 2) there is a many-to-many relationship between roles and permissions
Yes, although this is dictated by the PortalAuthentication 
implementation.  In the case of the registry implementation distributed 
with with Jetspeed, their is many-to-many relationship between roles and 
actions.  For a security reference, you can define actions based on 
roles and users.

 >
 > But I'm not clear on what is the definition of a "Security ID"?  How
 >  is it really different from a role?
A security ID, also called called a security reference, describes 
allowable actions for specific users and roles.  See the "default" 
security entry in security.xreg for an example of a security-entry that 
grants different actions based on and role.

 > Also, what is the difference
 > between actions and permissions.  It seems like they are the same
 > thing.
Yes, action and permissions are the same.

 > And is it true that groups are not implemented with this
 > new security model?
Not completely true, although I do now know the complete answer to this 
question.

 >
 > Thanks
 >
 > -Dave
 >
 >

Paul Spencer


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