Adopted authority is nearly as outdated as limited capability. It
doesn't work well with triggers or IFS files and is incompletely
implemented. Adoption is ineffective in exits but based on your message
you may have overcome some of the limitations I have run up against. The
biggest reason to avoid adoption is that it is often implemented
incorrectly and is frequently the source of serious security problems. 

A few years back, I started using a technique that gives similar
function by swapping in or setting effective groups and supplemental

--David Morris 

-----Original Message-----
From: security400-bounces@xxxxxxxxxxxx
[mailto:security400-bounces@xxxxxxxxxxxx] On Behalf Of Phil Ashe
Sent: Thursday, September 07, 2006 10:09 AM
To: Security Administration on the AS400 / iSeries
Subject: Re: [Security400] Commands for Limited Users


...I have three basic problems with LMTCPB and commands. 
1) It's obsolete in that it hasn't been updated to check commands in
newer interfaces. [limited scope]
2) It's checked after the user has already been determined to have
object authority to the command.
3) It's difficult to find the LMTCPB "violations". They aren't placed in
the system audit journal. [more obsolescence]

...I would use adopted authority for access through the expected
application interfaces and use proxy commands to limit the use of EDTF
or DFU to well-defined views of the data, then take away the data rights
to the file. The object authority is still checked on the remote server
interfaces. If you need access to the file from one or more remote
servers, you can use exit programs to give you this authority...

Phil Ashe

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