Fortinet FortiGate 50A - Manual (Page 253)

Logging and reporting Filtering log messages
FortiGate-50A Installation and Configuration Guide
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Log message levels
Table 23 lists and describes FortiGate log message levels.
Filtering log messages
You can configure the logs that you want to record and the message categories that
you want to record in each log.
To filter log entries
1 Go to Log&Report > Log Setting.
2 Select Config Policy for the log location that you selected in “Recording logs” on
page 251 .
3 Select the log types that you want the FortiGate unit to record.
Table 23: FortiGate log message levels
Levels Description Generated by
0 - Emergency The system has become unstable. Emergency messages not
available.
1 - Alert Immediate action is required. NIDS attack log messages.
2 - Critical Functionality is affected. DHCP
3 - Error An error condition exists and
functionality could be affected.
Error messages not available.
4 - Warning Functionality could be affected. Antivirus, Web filter, email filter, and
system event log messages.
5 - Notice Information about normal events. Antivirus, Web filter, and email filter
log messages.
6 - Information General information about system
operations.
Antivirus, Web filter, email filter log
messages, and other event log
messages.
Traffic Log Record all connections to and through the interface.
To configure traffic filtering, see
“Adding traffic filter entries” on page 256 .
Event Log Record management and activity events in the event log.
Management events include changes to the system configuration as well
as administrator and user logins and logouts. Activity events include
system activities, such as VPN tunnel establishment and HA failover
events.
Virus Log Record virus intrusion events, such as when the FortiGate unit detects a
virus, blocks a file type, or blocks an oversized file or email.
Web Filtering Log Record activity events, such as URL and content blocking, and exemption
of URLs from blocking.
Attack Log Record attacks detected by the NIDS and prevented by the NIDS
Prevention module.
Email Filter Log Record activity events, such as detection of email that contains unwanted
content and email from unwanted senders.
Update Record log messages when the FortiGate connects to the FDN to
download antivirus and attack updates.