RE: Single Sign On

Glen,

We are looking at making AD the primary security source.

For most organizations, this is the right choice. When users log onto
their PC first thing in the morning they are usually authenticated to AD
and given a Kerberos ticket that is (typically) good for the day.
Deploying SSO in this environment means just teaching your System i to
honor that ticket issued by AD.

My first question is when doing single sign on is this an all
or nothing proposition?

No. Most of the shops we have helped with SSO have chosen to roll out
just a hand ful of users at a time at first, and then increase the
rollout speed as they get more familiar with it. The beauty of EIM and
SSO on i is that you can enroll just one user at a time if you wish.
There is no "say a prayer and flip the switch" moment because you enable
5 users, make sure it works the way you want it to, and then go do 10
more, and then 30 more, etc etc.

Is a third-party product necessary or preferable?

We have a tool that simplifies the loading of the EIM database - without
it there is a lot of typing to enter all of the userid's as they appear
on all of your systems. The tool also acts as a backup for EIM so that
you can easily reload it if you have a system failure, but for the most
part the software you need is already in the OS. For some shops it is
better to hire someone to implement SSO, because the Kerberos and EIM
configurations are tough, and it is a one time task, so you typically
don't have to retain the knowledge, but I know of a couple of shops that
took the time to do it themselves.

HTH,

jte



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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Thompson, Glenn
Sent: Tuesday, May 13, 2008 2:50 PM
To: Midrange Systems Technical Discussion
Subject: Single Sign On

I have been requested to do some research on single sign on.



We are looking at making AD the primary security source.



My first question is when doing single sign on is this an all
or nothing proposition?



Is a third-party product necessary or preferable?



Glenn Thompson
Health Management Associates, Inc.
Corporate MIS - Senior Programmer/Analyst
(239) 552-3500
e-mail: glenn.thompson@xxxxxxx <mailto:randy.beasley@xxxxxxx>



"Our Company's Mission is

The Delivery of Compassionate and High Quality

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