FQDN issues

Hello all, I entered the wrong FQDN via system admin, and now I am unable to log into the gui. Any idea how I can correct this from the terminal?

From the command line:

fwconsole sa ports

will show you what ports have been configured for Apache, the acp one is the Admin GUI. If the Firewall module is blocking you, you can add the source IP your browsing from with:

fwconsole firewall trust

where is your IP