I think what everybody is telling you is let ACF2, RACF, TSS do their job


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> On Jun 11, 2025, at 18:51, Mike Schwab 
> <[email protected]> wrote:
> A denial of service attack would to to attempt to log on to the ID with the
> wrong password, until it is revoked when it reaches the number of invalid
> logon attempts.
> 
>> On Wed, Jun 11, 2025 at 6:41 PM Jack Zukt <
>> [email protected]> wrote:
>> 
>> Hi
>> You already have a few answers.
>> I would begin by pointing out that PROTECTED userids were created si that
>> you could assign them to started tasks. To me, the biggest drawback of
>> associating a password userid to a started task, is the risk of having it
>> revoked by inactivity if the number of days between IPLs is greater than
>> the inactivy revoke period.
>> Regards
>> Jack
>> 
>>> On Wed, Jun 11, 2025, 20:51 Seymour J Metz <[email protected]> wrote:
>>> Everything to lose and nothing to gain. The STCs should run under a
>> userid
>>> that nobody can log on to and that nobody has proxy authority to. No
>>> password to expire.
>>> --
>>> Shmuel (Seymour J.) Metz
>>> http://mason.gmu.edu/~smetz3
>>> עַם יִשְׂרָאֵל חַי
>>> נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
>>> ________________________________________
>>> From: IBM Mainframe Discussion List <[email protected]> on behalf
>>> of Roberto Halais <[email protected]>
>>> Sent: Wednesday, June 11, 2025 9:05 AM
>>> To: [email protected] <[email protected]>
>>> Subject: STC Userids
>>> External Message: Use Caution
>>> I would like some feedback on what would happen if we assign passwords to
>>> the stcs in our z/OS environment.
>>> At this moment the stcs have no passwords assigned to them.
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> 
> --
> Mike A Schwab, Springfield IL USA
> Where do Forest Rangers go to get away from it all?
> 
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