Cisco Cisco Web Security Appliance S690 Betriebsanweisung
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Cisco AsyncOS 8.0.6 for Web User Guide
Chapter 20 Monitor System Activity Through Logs
Log File Management
Archiving Log Files Using Rollover
AsyncOS will periodically close current log files and begin new ones as a means of managing log file
size and storage location. This is called log file “rollover”. Based on the retrieval method defined for the
log subscription, AsyncOS stores the older log files on the appliance for retrieval or delivers them to an
external computer.
size and storage location. This is called log file “rollover”. Based on the retrieval method defined for the
log subscription, AsyncOS stores the older log files on the appliance for retrieval or delivers them to an
external computer.
AsyncOS rolls over log subscriptions in the following ways:
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Manually. The appliance administrator can manually roll over log subscriptions on demand from
either the web interface or the CLI.
either the web interface or the CLI.
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Automatically. AsyncOS rolls over log subscriptions when a current log file reaches a
user-specified limit of maximum file size or maximum time since last rollover. This is configured
as part of the subscription settings.
user-specified limit of maximum file size or maximum time since last rollover. This is configured
as part of the subscription settings.
Related Topics
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Manually Rolling Over Log Subscriptions
Step 1
Choose System Administration > Log Subscriptions.
Step 2
Check the checkbox in the Rollover column of the log subscriptions you wish to roll over, or check the
All checkbox to select all the subscriptions.
All checkbox to select all the subscriptions.
Step 3
Click Rollover Now to roll over the selected logs.
Related Topics
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Saving Disk Space By Compressing Log Files
To save disk space on the Web Security appliance, log subscriptions can compress rolled over log files
before storing them on the disk. Only rolled over logs are compressed. The current active log file is not
compressed.
before storing them on the disk. Only rolled over logs are compressed. The current active log file is not
compressed.
Each log subscription has its own log compression setting, so you can choose which log subscriptions
to compress. AsyncOS compresses log files using the gzip compression format.
to compress. AsyncOS compresses log files using the gzip compression format.
Related Topics
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