The table in Administration → Logs → Files contains a list of log files with their possible description and size.
To view particular log file click on View icon in the Actions' column.
Authentication of admins, Radius
Authentication of users
Blocking customers in Splynx
PPTP Connection between Splynx and Mikrotik
IP address management
Radius server customization
Radius Proxy Accounting
Troubleshooting Radius server