>> 5) Use GBAK with SYSDBA/masterkey to backup the "protected" database
>
> But how could you use GBAK to backup the file when it's encrypted at the
> filesystem level? You would have run gbak as the user who owns the file
> and
> that user is protected by a randomly-generated password which you created
> when you installed your app.

Not true. GBAK works through the Firebird server, so the Firebird server
needs access to the database, not GBAK!

Pepak