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Protocol decoders
Protocol decoders
FortiGate IPS User Guide Version 3.0 MR7
01-30007-0080-20080916
01-30007-0080-20080916
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Protocol decoders
This section describes:
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Protocol decoders
The FortiGate IPS uses protocol decoders to identify the abnormal traffic patterns
that do not meet the protocol requirements and standards. For example, the
HTTP decoder monitors the HTTP traffic to identify any HTTP packets that do not
meet the HTTP protocol standards.
that do not meet the protocol requirements and standards. For example, the
HTTP decoder monitors the HTTP traffic to identify any HTTP packets that do not
meet the HTTP protocol standards.
On the Intrusion Protection > Signature > Protocol Decoder page, you can
view the decoders and the port numbers the protocol decoders monitor.
view the decoders and the port numbers the protocol decoders monitor.
Upgrading the IPS protocol decoder list
The Intrusion Protection system protocol decoders are upgraded automatically
through the FortiGuard Distribution Network (FDN) if existing decoders are
modified or new decoders added. The FDN keeps the protocol decoder list up-to-
date with protection against new threats such as the latest versions of existing
IM/P2P as well as against new applications.
through the FortiGuard Distribution Network (FDN) if existing decoders are
modified or new decoders added. The FDN keeps the protocol decoder list up-to-
date with protection against new threats such as the latest versions of existing
IM/P2P as well as against new applications.