Michael 
Brennan<https://www.mail-archive.com/[email protected]&q=from:%22Michael+Brennan%22>
 wrote:

>Both ACF2 and Top Secret have common phrases that can not be

>used for passwords and you can add or subtract from the list.

>You would think RACF would have the same. I have not dug through

>the RACF manuals to determine if it does or not.



RACF has a new-passphrase exit called ICHPWX11. IBM provides a sample exit 
routine, and you can use REXX to run whatever passphrase quality checks you 
wish. The REXX script could even make an external (or “external”) network call 
to check the passphrase against some database. But you’d have to write and 
maintain this REXX code, and it wouldn’t provide multi-factor authentication. 
It’d merely help strengthen new passphrase selections.



https://www.ibm.com/docs/en/zos/3.1.0?topic=users-assigning-password-phrases

—————
Timothy Sipples
Senior Architect
Digital Assets, Industry Solutions, and Cybersecurity
IBM Z/LinuxONE, Asia-Pacific
[email protected]


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