Log Files

When troubleshooting problems with your firewall, it is very likely you have to check the logs available on your system. In the UI of OPNsense, the log files are generally grouped with the settings of the component they belong to. The log files can be found here:

System Log	System ‣ Log Files ‣ General	Most of all system related events go here
Backend / config daemon	System ‣ Log Files ‣ Backend	Here you can find logs for config generation of API usage
Web GUI	System ‣ Log Files ‣ Web GUI	Lighttpd, the webserver of OPNsense itself, logs here
Firmware	System ‣ Firmware ‣ Log File	Updates from the packaging system go here
Gateways	System ‣ Gateways ‣ Log File	Lists Dpinger gateway tracking related log messages
Routing	System ‣ Routes ‣ Log File	Routing changes or interface events