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  • Subject: Re: security jungle
  • From: John Earl <johnearl@xxxxxxxxxxx>
  • Date: Fri, 11 Dec 1998 12:39:34 -0800
  • Organization: PowerTech Toolworks

Mary,


Fisher, Don wrote:

> That command will work assuming a couple of things.  First, if PGMR already
> has specific rights to an object, GRTOBJAUT will either bypass the object or
> stop, but I'm not sure which.  For this reason, you need to specify *YES for
> the "Replace authority" parameter.  The other assumption being implicitly
> made is that you are not using adopted authority.  Even if PGMR is not
> explicitly authorized to update a file, the program he/she is running will
> still update the file if the program adopts the owner's authority and the
> owner has authority to update the file.

In addition to Don's excellent suggestions, you may want to use the IBM supplied
authority list QUSEADPAUT to regulate who can create programs that adopt
authority.  This will inhibit people from building backdoors in your system.

Other things to look at include:
    User Profiles attached to Job Descriptions (at level 30 and below)
    Unsecured message files (*CHANGE authority or higher)
    Any user profile that has *use authority to another user profile.
    *PUBLIC authority on production objects

And of course, you want to make sure that none of the programmers have, or can
aquire, *ALLOBJ authority. :)

Good Luck,

jte



--
John Earl   johnearl@toolnet.com

PowerTech Toolworks  206-575-0711
PowerLock Network Security www.toolnet.com
The 400 School   www.400school.com
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