On Wed, Jul 29, 2020 at 02:11:43PM +0000, TOULMONDE Sébastien (CSC/MST) via 
FreeIPA-users wrote:
> Hi,
> 
> Yesterday we migrated our dev servers to IPA - to help in the migration, I 
> enabled the allow_all HBAC rule, but despite that, some users get this 
> message:
> 
> Jul 29 15:56:23 el4966 sshd[98029]: Postponed keyboard-interactive for 
> id094844 from 81.245.6.11 port 35552 ssh2 [preauth]
> Jul 29 15:56:49 el4966 sshd[98034]: pam_sss(sshd:auth): authentication 
> failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=el1921.bc user=id094844
> Jul 29 15:56:49 el4966 sshd[98034]: pam_sss(sshd:auth): received for user 
> id094844: 6 (Permission denied)         < -----  This
> Jul 29 15:56:52 el4966 sshd[98029]: error: PAM: Authentication failure for 
> id094844 from el1921.bc
> Jul 29 15:56:52 el4966 sshd[98029]: Failed keyboard-interactive/pam for 
> id094844 from 81.245.6.11 port 35552 ssh2
> Jul 29 15:56:58 el4966 sshd[98029]: Postponed keyboard-interactive for 
> id094844 from 81.245.6.11 port 35552 ssh2 [preauth]
> Jul 29 15:57:00 el4966 sshd[98029]: Connection closed by 81.245.6.11 port 
> 35552 [preauth]
> 
> These are external (AD) users. Weird thing: not all users have this and not 
> everywhere... I tried to remove the LDAP filter on the IPA server -> same 
> thing... I'm running out of ideas...

Hi,

please set 'debug_level = 9' to the [domain/...] section in sssd.conf,
restart SSSD, try to authenticate again and check krb5_child.log and the
domain log for errors.

HTH

bye,
Sumit

> 
> Thanks for your help!
> 
> S. Toulmonde
> 
> 
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