Chapter 7 Firewall for FortiOS 5.0 : GUI & CLI - What You May Not Know
  
GUI & CLI - What You May Not Know
The Graphic User Interface (GUI) is designed to be as intuitive as possible but there are always a few things that are left out because to put all of that information on the interface would clutter it up to the point where it wouldn’t be graphical and intuitive anymore.
This section is made up of knowledge that will make working with the both of the management interfaces easier because you wont have to find out about things like field limitations through trial and error. Some of it has to do with changing in how navigation in the GUI has changed.
The section includes the topics:
Mouse Tricks
Changing the default column setting on the policy page
Naming Rules and Restrictions
Character Restrictions
Length of Fields Restrictions
Object Tagging and Coloring
Numeric Values
Selecting options from a list
Enabling or disabling options
To Enable or Disable Optionally Displayed Features