Fortinet 100A - Manual (Page 297)

Antivirus Grayware
FortiGate-100A Administration Guide 01-28007-0068-20041203
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Figure 158:Example threshold configuration
You can enable oversized file blocking in a firewall protection profile. To access
protection profiles go to Firewall > Protection Profile, select Anti-Virus > Oversized
File/Email and choose to pass or block oversized email and files for each protocol.
Further file size limits for uncompressed files can be configured as an advanced
feature via the CLI. See
“CLI configuration” on page 299 .
Grayware
Grayware programs are unsolicited commercial software programs that get installed
on computers, often without the user’s consent or knowledge. Grayware programs are
generally considered an annoyance, but these programs can cause system
performance problems or be used for malicious means.
The FortiGate unit scans for known grayware executable programs in each category
you enable. The category list and contents are added or updated whenever your
FortiGate unit receives a virus update package. New categories may be added at any
time and will be loaded with the virus updates. By default, all new categories are
disabled. Grayware is enabled in a protection profile when Virus Scan is enabled.
Grayware options
Grayware categories are populated with known executable files. Each time the
FortiGate unit receives a virus and attack definitions update, the grayware categories
and contents are updated.
Figure 159:Sample grayware options