A great student blog for your feed reader. Kris is so insightful. Her 'How to Prevent another Da Vinci post was nominated in the edublogs as a 'most influential post'. She recently moved to her own server and lost a lot of readership.
Coffee-addicted, wanderlust-afflicted, existential teen writer/debater seeks an intellectual escape and the complete works of Voltaire. Static characters and stilted dialogue need not apply. Ratpack fan a plus.
Most only deal with authenticating the user, which allows for two levels of security: logged in and not logged in. For many sites, a finer degree of control is needed to control where users can go and what they can do. Creating an access control list (ACL) system will give you the flexibility for granular permissions.