Use the following commands to test the OPNsense SSH communication from a computer running Ubuntu Linux:
Keep in mind that you need to change the OPNSense IP address to reflect your environment.
You may test the remote connection to the WAN interface and also to the LAN interface.
To test the OPNSense SSH configuration from a computer running Windows:
Download the last version of the PUTTY application, and test the communication using the following parametes:
If you use older versions of the Putty software, you will not be able to connect to the OPNsense firewall.
You have successfully performed an OPNSense SSH communication test.