Factory reset, but retain serial console settings?

Started by OPNsense4ever, April 30, 2026, 02:22:05 AM

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April 30, 2026, 02:22:05 AM
I have remote serial access to a OPNsense firewall that I want to reset. I assume if I do a factory reset that it will nuke my serial console settings though? Is there any way to do the reset and maintain serial console access?

Thanks all!
April 30, 2026, 06:52:45 AM #1
Only if you installed from the OPNsense serial installer image then the console should be enabled with defaults (115200 baud):

https://docs.opnsense.org/manual/how-tos/serial_access.html

I guess you would be able to log in with the default credentials (root:opnsense) if prompted.
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April 30, 2026, 09:38:49 AM #2
How about "restoring" a custom config.xml with serial console enabled and other parts of the .xmp reset to your favourite state and reboot?

kind regards
chemlud
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Today at 03:45:35 AM #3 Last Edit: Today at 03:48:32 AM by OPNsense4ever
Quote from: chemlud on April 30, 2026, 09:38:49 AMHow about "restoring" a custom config.xml with serial console enabled and other parts of the .xmp reset to your favourite state and reboot?



I think this is the right idea. I'm going to put this old firewall together with a new firewall in a CARP cluster. If I backup the config from the new firewall, edit the IPs, restore on the old firewall, that should work, right?
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