Logs and Alerts
89
■
Dropped ICMP
When enabled, log messages showing blocked incoming
ICMP packets are generated. This is enabled by default.
■
Network Debug
When enabled, log messages showing Ethernet
broadcasts, ARP resolution problems, ICMP redirection
problems, and NAT resolution problems are generated.
This category is intended for experienced network
administrators. This is disabled by default.
■
Alert Categories
Alerts are events, such as an attack, which may warrant
immediate attention. When an event generates an alert,
a message is immediately sent to the e-mail account
defined in the
Send alerts to
box on the
Log Settings
window (see page 85
).
■
Attacks
When enabled, all log entries that are categorized as an
Attack
are generated as an alert message. This is enabled by default.
■
System Errors
When enabled, all log entries that are categorized as a
System Error
are generated as an alert message. This is
enabled by default.
■
Blocked Web Sites
When enabled, all log entries that are categorized as a
Blocked Web Site
are generated as an alert message.
This is disabled by default.
Use Log Redundancy Filters
Prevents duplicate consecutive log messages from being
generated. Because of network retry mechanisms,
duplicate consecutive messages are common. If you select
the
Use Log Redundancy Filters
check
box, a log entry
identical to the previous entry is not generated. This is
enabled by default.
Click
Update
to send the configuration data to the Internet
Firewall.
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