This page refers to the fields available on the Clients section, Web Access page of Global Settings.
Tick where Client Web Access is being used. Unticking will remove the Web Access page from the "Clients" section.
Tick if Client Web Mail is going to be used.
Login Attempts - Enter the number of incorrect Login attempts before the Client is locked out.
Timespan (mins) - Enter the Timespan of the incorrect Login attempts before the Client is locked out.
Lockout (mins) - Enter the lockout time after the incorrect login attempts.
Enter the minimum length that a User's Password can be.
Tick to force the user to enter a Strong password.