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Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter76 Configuring Logging
Configuring Logging
Step1 Choose Configuration > Device Management > Logging > Event Lists.
Step2 Click Add to display the Add Event List dialog box.
Step3 In the Name field, enter the name of the event list. No spaces are allowed.
Step4 In the Event Class/Severity area, click Add to display the Add Class and Severity Filter dialog box.
Step5 Choose the event class from the drop-down list. Available event classes change according to the device
mode that you are using.
Step6 Choose the severity level from the drop-down list. Severity levels include the following:
Emergency (level 0, system is unusable)
Note Using a severity level of zero is not recommended.
Alert (level 1, immediate action is needed)
Critical (level 2, critical conditions)
Error (level 3, error conditions)
Warning (level 4, warning conditions)
Notification (level 5, normal but significant conditions)
Informational (level 6, informational messages only)
Debugging (level 7, debugging messages only)
Step7 Click OK to close this dialog box.
Step8 In the Message ID Filters area, click Add to display the Add Syslog Message ID Filter dialog box.
Step9 In the Message IDs field, enter a syslog message ID or range of IDs (for example, 101001-199012) to
include in the filter.
Step10 Click OK to close this dialog box.
The event of interest appears in the list. To change this entry, click Edit.
Generating Syslog Messages in EMBLEM Format to a Syslog Server
To generate syslog messages in EMBLEM format to a syslog server, perform the following steps:
Step1 Choose Configuration > Device Management > Logging > Syslog Server.
Step2 To add a new syslog server, click Add to display the Add Syslog Server dialog box. To change an existing
syslog server settings, click Edit to display the Edit Syslog Server dialog box.
Note You can set up a maximum of four syslog servers per security context (up to a total of 16).
Step3 Specify the number of messages that are allowed to be queued on the ASA when a syslog server is busy.
A zero value means an unlimited number of messages may be queued.
Step4 Check the Allow user traffic to pass when TCP syslog server is down check box to specify whether
or not to restrict all traffic if any syslog server is down.