User Authentication Setting the Authentication to 1 in the server configuration file enables user authentication. The server response with a standard HTTP challenges which instruct user browser to ask for user name and password. The user must have an account in the server in order to get database services. A user group represents a group of users who has special privileges. User group is granted access rights in the server configuration file.
Access right is represented by a single character.
For instance, r means read, w mean write, etc. You can define any number of groups in the server configuration file. A user is assigned to a user group when an account is created. Similarly, each database access operation has access rights attached to it. The rights in a user group must cover all rights required by an operation.