Using the Warning log
Logs keep information records of selected events occurred in or detected by Kerio Control. For more information about configuring and using logs, see article Configuring and using logs in Kerio Control.
The Warning log displays warning messages about errors of little significance. Warnings can display for example error in communication of the server and Web administration interface, etc.
Events causing display of warning messages in this log do not greatly affect Kerio Control's operation. They can, however, indicate certain (or possible) problems. The Warning log can help if for example a user is complaining that certain services are not working.
Categories of warnings recorded in the Warning log:
- System warnings
- Kerio Control configuration issues (invalid values retrieved from the configuration file),
- Warnings of Kerio Control operations (e.g. DHCPDynamic Host Configuration Protocol - A protocol that automatically gives IP addresses and additional configuration to hosts in a network., DNSDomain Name System - A database enables the translation of hostnames to IP addresses and provides other domain related information., antivirus check, user authentication, etc.),
- License warnings (Software Maintenance expiration, forthcoming expiration of the Kerio Control license, Kerio Control Web Filter license, or the antivirus license),
- Bandwidth Management warnings,
- Kerio Control Web Filter alerts,
- Crashdumps after failure of the application.
Reading the Warning log
The connection limit configured in Security Settings > Miscellaneous was exceeded:
[18/Jan/2013 11:22:44] Connection limit of 500 inbound
connections reached for host 192.168.42.192.
Kerio Conntrol could not authorized to Kerio Web Filter. Kerio Web Filter is not working and users can open all web pages:
[02/Jan/2013 13:45:37] Unable to categorize 'example.com' by
Kerio Web Filter. DNS response 'FAILURE: Invalid authorization' to query
'example.com.f836.ko-34554.v3.url.zvelo.com' is invalid.
Kerio Control was not able to contact registration server. You have to update your license manually:
[02/Jan/2012 15:54:20] License update failed: Automatic license
update failed. User interaction is required by registration server