FortiGate Administration Guide - FirewallShop.com

FortiGuard - Web Filter
Web Filter
Off-site URLs
Override Duration
To create an override for categories, go to Web Filter > FortiGuard - Web Filter >
Override.
Figure 302:New Override Rule - Categories
This option defines whether the override web page will display the
images and other contents from the blocked offsite URLs.
For example, all FortiGuard categories are blocked, and you want
to visit a site whose images are served from a different domain.
You can create a directory override for the site and view the page.
If the offsite feature was set to deny, all the images on the page
will appear broken because they come from a different domain for
which the existing override rule does not apply. If you set the
offsite feature to allow, the images on the page will then show up.
Only users that apply under the scope for the page override can
see the images from the temporary overrides. The users will not
be able to view any pages on the sites where the images come
from (unless the pages are served from the same directory as the
images themselves) without having to create a new override rule.
Enter the duration in days, hours, and minutes. When displayed in
the override list, the expiry date of the override is calculated.
Type
Categories
Classifications
Select Categories.
Select the categories to which the override applies. A category
group or a subcategory can be selected. Local categories are also
displayed.
Select the classifications to which the override applies. When
selected, users can access web sites that provide content cache,
and provide searches for image, audio, and video files.
FortiGate Version 3.0 MR5 Administration Guide
438 01-30005-0203-20070830