Tectia Server logs events in the syslog on Unix and in the Windows Event Log on Windows. Logging (auditing) is very important for security. You should check your logs often, or use tools to analyze them. From the logs, you can see, for example, whether unauthorized access has been attempted, and take further action if needed. For example, you could set the hosts from which the attempts have been made as denied, or drop the packets from the domain completely at your firewall. The logs also provide troubleshooting information.

The log events are classified in seven levels, in decreasing order of importance: