Category protected, however, individuals posts are not & buddypress pages too

Heya fab people,

Have a few questions I'd like to ask regarding the membership plugin.
I've been working with it and notice that even though category is protected (for stranger)
For instance, check

The individuals posts related to the category is not:

Been trying to find a work around for this by playing with permalink settings, without any success though.
So I thought I post it up here to get any insights.

Also, one thing I notice is even though I restrict access to the buddpress pages, they are all still accessible to strangers.

I'm using Wordpress 3.0.4 multi site enabled and buddypress 1.2.7.

Thanks for the help!