In the trailer department we carry Jet Co, Haulass, and Dynaweld. We also have an assorted inventory of used cars, Ford, Chevy, Mercury, and GMC, Volkswagen, Honda, Dodge and Nissans, Trucks, Vans and SUVâs.
In short, please. :-). Authentication = login + password (who you are). Authorization = permissions (what you are allowed to do). Short auth is most likely to refer either to the first one or to both.
Usually, PAM (Pluggable Authentication Modules) are used as low-level authentication schemes into a high-level application programming interface (API), which allows programs that rely on authentication to be written independently of the underlying authentication scheme. Authorization. Authorization verifies what you are authorized to do. For example, you are allowed to login into your Unix server via ssh client, but you are not authorized to browser /data2 or any other file system. Authorization occurs after successful authentication. Authorization can be controlled at file system level or using various application level configuration options such as chroot(2). Usually, the connection attempt must be both authenticated and authorized by the system.