Understanding System Log Messages - Cisco FirePOWER ASA 5500 series Configuration Manual

Chapter 42 Monitoring the Security Appliance

Understanding System Log Messages

This section describes the contents of system log messages generated by the security appliance. It
includes the following topics:
•
•
System Log Message Format
System Log messages begin with a percent sign (%) and are structured as follows:
%PIX|ASA
Field descriptions are as follows:
PIX|ASA
Level
Message_number A unique 6-digit number that identifies the system log message.
Message_text
Severity Levels
Table 42-3
Table 42-3
Level
Number
0
1
2
3
4
5
6
7
The security appliance does not generate system log messages with a severity level of 0 (emergencies).
Note
This level is provided in the logging command for compatibility with the UNIX system log feature, but
is not used by the Cisco ASA .
OL-10088-01
System Log Message Format, page 42-23
Severity Levels, page 42-23
Level Message_number: Message_text
Identifies the system log message facility code for messages generated by the Cisco
ASA . This value is always PIX|ASA .
1-7. The level reflects the severity of the condition described by the system log
message. The lower the number, the more severe the condition. See
more information.
A text string describing the condition. This portion of the system log message
sometimes includes IP addresses, port numbers, or usernames.
lists the system log message severity levels.
System Log Message Severity Levels
Level Keyword Description
emergencies System unusable.
alert Immediate action needed.
critical Critical condition.
error Error condition.
warning Warning condition.
notification Normal but significant condition.
informational Informational message only.
debugging Appears during debugging only.
Cisco Security Appliance Command Line Configuration Guide
Configuring and Managing Logs
Table 42-3 for
42-23