>[snip] many that claim to require UID0 (e.g. because they do 
>not issue "su") will run perfectly well if you indicate 
>"trusted" in the STDATA segment associated with the STC's 
>"started" resource. 

If auditors ask for justification on uid=0 assignment, they
should ask for justification on the trusted attribute as well.

The trusted attribute assigns uid=0 authority for UNIX related
stuff, i.e. it is the same as if the STC was running with uid=0.
*But* trusted assigns far reaching authority for MVS related
stuff as well. E.g. that task can modify all MVS data sets.

So, no, never assign the trusted attribute unless the products
documentation asks for and explains why. 

A documented uid=0 requirement may be discussed with the owner 
of the software. Chances are that some of the UNIXPRIV class 
profiles suffice for what the software needs to do.


--
Peter Hunkeler
Credit Suisse

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