[EXT] eduPersonTargetedID

[Robert Lamothe]

In our environment we are required to change our AD passwords every 6 weeks.  It appears that when our users change their passwords it changes the value of eduPersonTargetedID.  The SP calls it eptid and this is the data they gave us:

eptid value on2019-03-12:  nRDymCKsSIoc5pbKdmm72swbqzQ=

eptid value on2019-05-06:  w/yKZiuBopKxX6iCO1Pza3BuUbw=

Since eduPersonTargetedID is a triple tuple the above isn't the entire thing, but I'm expecting that it's just the third tuple we're seeing here and that's the part that's changing.
Regards-Bob

--
Bob Lamothe
robert_lamothe at yahoo.com
KB1BOB
603-918-6336

 

    On Tuesday, May 7, 2019, 12:34:16 PM EDT, Ray Bon <rbon at uvic.ca> wrote:  
 
 Are we really talking about a password change being coordinated with the change of another attribute?Or is the user just updating their info (and password happens to be one of the items) and the chosen sourceAttribute is not really that persistent?
Ray
On Tue, 2019-05-07 at 16:13 +0000, Yeargan, Yancey wrote:
Take a look at the conf/saml-nameid.properties file, specifically the property "idp.persistentId.sourceAttribute". If that AD attribute changes as a result of a password change, then the value of eduPersonTargetedID will also change.
--Yancey YearganUniversity of North Texas System


On May 7, 2019, at 10:56 AM, Robert Lamothe <robert_lamothe at yahoo.com> wrote:
Howdy,
    For a few months I've had an SP complaining that they need to reset the accounts of our users on a periodic basis.  We've been monitoring this for some time and have identified that after one of our users is forced to change their AD password their account requires a reset.
    We've further identified that when a user changes their AD password it changes their eduPersonTargetedID value.  By resetting the account they clear the value set in eduPersonTargetedID and allows a new one to be set.
    When I read up on this attribute I find that it's made up of a triple tuple, one of which is generated.  It's also supposed to be persistent but it's persistence doesn't have to be lifetime.
    Can anyone help me understand why this attribute might change after an AD password change?
Thanks-Bob

--
Bob Lamothe
robert_lamothe at yahoo.com
KB1BOB
603-918-6336

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Ray BonProgrammer AnalystDevelopment Services, University Systems2507218831 | CLE 019 | rbon at uvic.ca-- 
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