How can I prevent a non-SYSDBA user from creating new
databases?

I'm using Firebird 1 on Linux and I cant see any such option within
FB/Interbase itself.

On the server I've made a user 'interbase' and done

chown -R interbase.interbase /opt/interbase

Could I restrict the ability of this user to create/update files
somehow? But then, this would affect all users including SYSDBA.

Any suggestions?

regards
Richard
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richard@...