Re: RHEL7 How to configure password policies based on UID (ranges)

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On Thu, 2017-02-23 at 05:53 +0000, Juha A. wrote:
> Hi,
> I would need to configure different password policy based on the
> users UID.
> For example:
> - UID 1000-1999: Minimum Password Length = 15, 3 different character
> classes
> - UID 2000-2999: Minimum Password Length = 20, 4 different character
> classes
> The /etc/security/pwquality.conf does not seem to have a way to
> configure different rules based on UID, but I was also unable to get
> system-auth/password-auth to work properly.
> Would anyone have advice on how to achieve the above?

You could configure the PAM stack so that there would be two
pam_pwquality lines with different options and skip over them with
pam_succeed_if modules and jumps.

something like this: (untested, just for inspiration)

password    [success=2 default=ignore] uid >= 2000
password    requisite try_first_pass retry=3 authtok_type= minlen=15 minclass=3
password    [success=1 default=ignore]
password    requisite try_first_pass retry=3 authtok_type= minlen=20 minclass=4

Tomas Mraz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb
(You'll never know whether the road is wrong though.)

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