Cisco ASA / PIX Logging Facilities

Finland midnight sun (photo by mproe)When setting up a Cisco ASA or PIX to send logs to a remote syslog server, you need to specify which facility to use. This can cause a bit of disconnect since the syslog server configuration uses names and the logging facility command in the Cisco Adaptive Security Appliance Software accepts only numbers. (Note: This is true of all ASA software versions up to and including 8.0(3), the most recent version at the time of this writing.)

Below is a chart mapping Cisco ASA facility numbers to syslog facility names.

ASA / PIX Facility Number Syslog Facility Name


16 LOCAL0 17 LOCAL1 18 LOCAL2 19 LOCAL3 20 LOCAL4 21 LOCAL5 22 LOCAL6 23 LOCAL7

The default facility used by the Cisco ASA is 20 (LOCAL4).

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