Using the Web-based Manager : System requirements
 
System requirements
Supported web browsers
The FortiManager Web-based Manager is compatible with the following web browsers:
Microsoft Internet Explorer 9.0
Mozilla Firefox 13.0, and 14.0
Monitor settings for Web-based Manager access
Fortinet recommends setting your monitor to a screen resolution of 1280x1024. This allows for all the objects in the Web-based Manager to be viewed properly.