Cisco Cisco Web Security Appliance S690 User Guide
20-7
Cisco AsyncOS for Web User Guide
Chapter 20 Monitor System Activity Through Logs
Adding and Editing Log Subscriptions
Log Level
Specifies the level of detail for log entries. Choose from:
•
Critical. Includes errors only. This is the least detailed setting and is
equivalent to the syslog level “Alert.”
equivalent to the syslog level “Alert.”
•
Warning. Includes errors and warnings. This log level is equivalent to
the syslog level “Warning.”
the syslog level “Warning.”
•
Information. Includes errors, warnings and additional system
operations. This is the default detail level and is equivalent to the syslog
level “Info.”
operations. This is the default detail level and is equivalent to the syslog
level “Info.”
•
Debug. Includes data useful for debugging system problems. Use the
Debug log level when you are trying to discover the cause of an error.
Use this setting temporarily, and then return to the default level. This log
level is equivalent to the syslog level “Debug.”
Debug log level when you are trying to discover the cause of an error.
Use this setting temporarily, and then return to the default level. This log
level is equivalent to the syslog level “Debug.”
•
Trace. This is the most detailed setting. This level includes a complete
record of system operations and activity. The Trace log level is
recommended only for developers. Using this level causes a serious
degradation of system performance and is not recommended. This log
level is equivalent to the syslog level “Debug.”
record of system operations and activity. The Trace log level is
recommended only for developers. Using this level causes a serious
degradation of system performance and is not recommended. This log
level is equivalent to the syslog level “Debug.”
Note
More detailed settings create larger log files and have a greater
impact on system performance.
impact on system performance.
Retrieval Method
Specifies where rolled over log files are stored and how they are retrieved for
reading. See below for descriptions of the available methods.
reading. See below for descriptions of the available methods.
Retrieval Method:
FTP on Appliance
The FTP on Appliance method (equivalent to FTP Poll) requires a remote
FTP client accessing the appliance to retrieve log files using an admin or
operator user’s username and password.
FTP client accessing the appliance to retrieve log files using an admin or
operator user’s username and password.
When you choose this method, you must enter the maximum number of log
files to store on the appliance. When the maximum number is reached, the
system deletes the oldest file.
files to store on the appliance. When the maximum number is reached, the
system deletes the oldest file.
This is the default retrieval method.
Retrieval Method:
FTP on Remote Server
The FTP on Remote Server method (equivalent to FTP Push) periodically
pushes log files to an FTP server on a remote computer.
pushes log files to an FTP server on a remote computer.
When you choose this method, you must enter the following information:
•
FTP server hostname
•
Directory on FTP server to store the log file
•
Username and password of a user that has permission to connect to the
FTP server
FTP server
Note
AsyncOS for Web only supports passive mode for remote FTP
servers. It cannot push log files to an FTP server in active mode.
servers. It cannot push log files to an FTP server in active mode.
Option
Description