Fortinet FortiGate-800 User Manual download pdf (Page 286)

286 Fortinet Inc.

Blocking oversized files and emails Antivirus protection

3 Type the Age Limit (TTL) in hours to specify how long files are left in quarantine.

The maximum number of hours is 480. The FortiGate unit automatically deletes a file

when the TTL reaches 00:00.

4 Type the maximum file size in MB to quarantine. The FortiGate unit keeps the existing

quarantined files that are larger than the file size limit. The FortiGate unit does not

quarantine new files that are larger than the file size limit. The file size range is 1-499

MBytes.

Enter 0 for unlimited file size.

5 Select a Low Disk Space option to specify the method for handling additional files

when the FortiGate hard disk is running out of disk space.

You can select overwrite oldest file or drop new quarantine files.

6 Select Apply.

Blocking oversized files and emails

You can configure the FortiGate unit to buffer 1 to 15 percent of available memory to

store oversized files and email. The FortiGate unit then blocks a file or email that

exceeds this limit instead of bypassing antivirus scanning and sending the file or email

directly to the server or receiver. The FortiGate unit sends a replacement message for

an oversized file or email attachment to the HTTP or email proxy client.

Configuring limits for oversized files and email

To configure limits for oversized files and email

1 Go to Anti-Virus > Config > Config.

2 Type the size limit, in MB.

3 Select Apply.

Note: The Quarantine Blocked Files option is not available for HTTP or FTP because a

filename is blocked at request time and the file is not downloaded to the FortiGate unit.

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Fortinet FortiGate-800 User Manual Page 286