File security

We are looking for a way to secure our files from ODBC, DFU, File
Transfer  etc etc

What I would like to do is restrict user access to the files to using
programs only.  I would like to give the programs access to the files
and not the user.  We have been a S36 shop and are converting over and
as part of this conversion would like to secure all production files
from unauthorized access.  The S36 setup is really poor security.

I know I can restrict the commands that will access the files CPYF, DFU
etc but there are more and more ways to get at the DATA and if you miss
one (such as FTP) then you really don't have any security.  

Also certain people (Programmers) will need to use some of these but not
on production files.

What is the best way to do this.

John Hall
Home Sales Co.
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