Syslog message severity levels

The syslog message severity levels define the importance of system messages.
Syslog message severity levels

Level Number

Severity Level

Description

0

emergencies

You cannot use the system.

1

alert

You need to take immediate action.

2

critical

The system has critical conditions to be addressed.

3

error

Error conditions.

4

warning

The system has warnings you should review.

5

notification

The system reports significant events you should monitor.

6

informational

Informational messages only.

7

debugging

The system generates only debugging messages

Log at this level only temporarily, when debugging issues. This log level can generate many messages, which might affect system performance.

Note

Firewall Threat Defense does not generate syslog messages with a severity level of zero (emergencies).