ASA5505:Syslogging messages
ciscoasa(config)# sh logging
Syslog logging: enabled
Facility: 20
Timestamp logging: enabled
Standby logging: disabled
Debug-trace logging: disabled
Console logging: disabled
Monitor logging: disabled
Buffer logging: level warnings, 55 messages logged
Trap logging: level notifications, facility 20, 31 messages logged
Logging to inside 192.168.1.2
History logging: disabled
Device ID: disabled
Mail logging: disabled
ASDM logging: level informational, 1071 messages logged
As you can see informational (level 6) messages are 1071!! Well that’s only started for 1hour!
I can set logging to:
1. asa5505 itself which is referred to as buffer:
ciscoasa(config)# logging buffered ?
configure mode commands/options:
<0-7> Enter syslog level (0 – 7)
WORD Specify the name of logging list
alerts Immediate action needed (severity=1)
critical Critical conditions (severity=2)
debugging Debugging messages (severity=7)
emergencies System is unusable (severity=0)
errors Error conditions (severity=3)
informational Informational messages (severity=6)
notifications Normal but significant conditions (severity=5)
warnings Warning conditions (severity=4)
Buffer size can be customized by me:
ciscoasa(config)# logging buffer-size ?
configure mode commands/options:
<4096-1048576> Specify logging buffer size in bytes
2. I can set logging to asdm:
ciscoasa(config)# logging asdm ?
configure mode commands/options:
<0-7> Enter syslog level (0 – 7)
WORD Specify the name of logging list
alerts Immediate action needed (severity=1)
critical Critical conditions (severity=2)
debugging Debugging messages (severity=7)
emergencies System is unusable (severity=0)
errors Error conditions (severity=3)
informational Informational messages (severity=6)
notifications Normal but significant conditions (severity=5)
warnings Warning conditions (severity=4)
The logging can be enabled in the ASDM itself.
3. I can log to a syslog server:
ciscoasa(config)# logging host inside ?
configure mode commands/options:
Hostname or A.B.C.D Specify the IP address or name of the syslog server.
ciscoasa(config)# logging trap ?
configure mode commands/options:
<0-7> Enter syslog level (0 – 7)
WORD Specify the name of logging list
alerts Immediate action needed (severity=1)
critical Critical conditions (severity=2)
debugging Debugging messages (severity=7)
emergencies System is unusable (severity=0)
errors Error conditions (severity=3)
informational Informational messages (severity=6)
notifications Normal but significant conditions (severity=5)
warnings Warning conditions (severity=4)
4. Send syslog through email:
ciscoasa(config)# logging recipient-address cyruslok@hotmail.com level ?
configure mode commands/options:
<0-7> Enter syslog level (0 – 7)
alerts Immediate action needed (severity=1)
critical Critical conditions (severity=2)
debugging Debugging messages (severity=7)
emergencies System is unusable (severity=0)
errors Error conditions (severity=3)
informational Informational messages (severity=6)
notifications Normal but significant conditions (severity=5)
warnings Warning conditions (severity=4)