SafeMode can be enabled from the management console.
To enable SafeMode
Access the NSv management console as described in one of:
For NSv, see: Connecting to the Console with SSH
In the console, select the Reboot | Shutdown option and then press Enter.
Navigate down to the Boot SonicWall into safemode option to highlight Enable, and then press Enter.
Select Yes in the confirmation dialog.
Press Enter.
The NSv immediately reboots and comes back up in SafeMode.
In SafeMode, the web interface is served from an HTTP server. The HTTPS server is not started in SafeMode.