Fortinet FortiGate 50A User Manual download pdf (Page 225)

FortiGate-50A Installation and Configuration Guide Version 2.50

FortiGate-50A Installation and Configuration Guide 225

Antivirus protection

You can enable antivirus protection in firewall policies. You can select a content profile

that controls how the antivirus protection behaves. Content profiles control the type of

traffic protected (HTTP, FTP, IMAP, POP3, SMTP), the type of antivirus protection and

the treatment of fragmented email and oversized files or email.

This chapter describes:

• General configuration steps

• Antivirus scanning

• File blocking

• Blocking oversized files and emails

• Exempting fragmented email from blocking

• Viewing the virus list

General configuration steps

Configuring antivirus protection involves the following general steps.

1 Select antivirus protection options in a new or existing content profile. See “Adding

content profiles” on page 167.

2 Select the Anti-Virus & Web filter option in firewall policies that allow web (HTTP),

FTP, and email (IMAP, POP3, and SMTP) connections through the FortiGate unit.

Select a content profile that provides the antivirus protection options that you want to

apply to a policy. See “Adding content profiles to policies” on page 169.

3 Configure antivirus protection settings to control how the FortiGate unit applies

antivirus protection to the web, FTP, and email traffic allowed by policies. See:

• “Antivirus scanning” on page 226,

• “File blocking” on page 227,

• “Blocking oversized files and emails” on page 228,

• “Exempting fragmented email from blocking” on page 228.

4 Configure the messages that users receive when the FortiGate unit blocks or deletes

an infected file. See “Replacement messages” on page 133.

5 Configure the FortiGate unit to send an alert email when it blocks or deletes an

infected file. See “Configuring alert email” in the Logging and Message Reference

Guide.

Note: For information about receiving virus log messages, see “Configuring logging”, and for

information about log message content and format, see “Virus log messages” in the Logging

Configuration and Reference Guide

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Fortinet FortiGate 50A User Manual Page 225