Antivirus Protection - Fortinet FortiGate FortiGate-1000A Administration Manual

About FortiGate Antivirus Firewalls

Antivirus protection

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Figure 1: FortiGate-1000A (top) and FortiGate-1000AFA2 (bottom)
The FortiGate-1000A is a high performance solution that delivers gigabit throughput
with exceptional reliability for the most demanding large enterprise and service
provider environments. The FortiGate-1000AFA2 optionally provides 2 ports featuring
FortiAccel technology enhancing small packet performance. All FortiGate-1000A
products deploy easily in existing networks and can be used for antivirus and content
filtering only or can be deployed as a complete network protection solution. High
Availability (HA) operation and redundant hot-swappable power supplies ensure non-
stop operation in mission-critical applications. The FortiGate-1000A is kept up to date
automatically by Fortinet's FortiGuard network, which provides continuous updates for
FortiGuard Subscription Services that ensure protection against the latest viruses,
worms, trojans and other threats around the clock.
FortiGate ICSA-certified antivirus protection scans web (HTTP), file transfer (FTP),
and email (SMTP, POP3, and IMAP) content as it passes through the FortiGate unit.
FortiGate antivirus protection uses pattern matching and heuristics to find viruses. If a
virus is found, antivirus protection removes the file containing the virus from the
content stream and forwards a replacement message to the intended recipient.
For extra protection, you can configure antivirus protection to block specified file types
from passing through the FortiGate unit. You can use the feature to stop files that
might contain new viruses.
FortiGate antivirus protection can also identify and remove known grayware
programs. Grayware programs are usually unsolicited commercial software programs
that get installed on PCs, 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.
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Introduction
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