Technical Tips: Meaning of ‘.FMAV, .FMET, .FMEX' for AntiVirus Definition package in service updates

Description

This article describes the meaning of different types of AntiVirus definition files that are provided in the Fortinet Support Portal service update.

Scope

FortiMail.

Solution

AntiVirus definition can be manually updated in FortiMail by downloading the AntiVirus definition file from the Fortinet Support.

In the Fortinet support portal, there are 3 difference files name ending with ‘FMAV, FMET, FMEX’, such as the example below.

FMAV is a default AntiVirus database used to update the AntiVirus definition. FMET and FMEX correspond to the AntiVirus Extended database and AntiVirus Extreme database, respectively.

If using the Extended database, upload both FMAV and FMET. If using the Extreme database, upload FMAV, FMET, and FMEX.

Note: FMAV is not included in FMET/FMEX, so FMAV is needed.

Related article:

Technical Tip: How to manually update Antivirus definition on FortiMail