Am Wed, Jun 09, 2021 at 07:32:49PM -0000 schrieb thing.thing--- via 
FreeIPA-users:
> Hi,
> 
> I have RH's version of freeipa
> (ipa-server-4.9.2-3.module+el8.4.0+10412+5ecb5b37.x86_64) working fine. 
> RHEL8, RHEL7,
> Debian10.9, Ubuntu20LTS and Centos7 clients work perfectly OK to IPA OK for 
> users in
> IPA..
> 
> For the cross domain trust however only RHEL8 and RHEL7 work. Debian10.9, 
> Ubuntu20LTS and
> Centos7 fail for the AD user who cannot ssh in.
> 
> Is there any config I need to do to get 3rd party Linux to work with a trust? 
> Just
> wondering if I have missed a package? config? steps?
> 
> or does it just not work?
> 
> rhel7 secure log showing success,
> 
> 8><----
> Jun 9 16:40:55 rhel7a sshd[9339]: pam_sss(sshd:auth): authentication success; 
> logname=
> uid=0 euid=0 tty=ssh ruser= rhost=v1.ods.vuw.ac.nz 
> user=linuxuser2(a)vuwtest.ac.nz
> Jun 9 16:41:04 rhel7a sshd[9336]: Accepted keyboard-interactive/pam for
> linuxuser2(a)vuwtest.ac.nz from 10.100.32.67 port 48
> Jun 9 16:41:04 rhel7a sshd[9336]: pam_unix(sshd:session): session opened for 
> user
> linuxuser2(a)vuwtest.ac.nz by (uid=0)
> [root@rhel7a ~]#
> 8><---
> 
> 
> centos7 secure log,
> 
> 8><---
> [root@centos7a ~]# tail -50f /var/log/secure
> Jun 9 17:15:24 centos7a sshd[1812]: Invalid user linuxuser2(a)vuwtest.ac.nz 
> from
> 10.100.32.67 port 53880

Hi,

it looks like the user cannot be resolved on this system. Does

    getent passwd linuxuser2(a)vuwtest.ac.nz

work on this system?

bye,
Sumit

> Jun 9 17:15:24 centos7a sshd[1812]: input_userauth_request: invalid user
> linuxuser2(a)vuwtest.ac.nz [preauth]
> Jun 9 17:15:24 centos7a sshd[1812]: Postponed keyboard-interactive for 
> invalid user
> linuxuser2(a)vuwtest.ac.nz from 10.100.32.67 port 53880 ssh2 [preauth]
> Jun 9 17:15:35 centos7a sshd[1814]: pam_unix(sshd:auth): check pass; user 
> unknown
> Jun 9 17:15:35 centos7a sshd[1814]: pam_unix(sshd:auth): authentication 
> failure; logname=
> uid=0 euid=0 tty=ssh ruser= rhost=10.100.32.67
> Jun 9 17:15:37 centos7a sshd[1812]: error: PAM: User not known to the 
> underlying
> authentication module for illegal user linuxuser2(a)vuwtest.ac.nz from 
> 10.100.32.67
> Jun 9 17:15:37 centos7a sshd[1812]: Failed keyboard-interactive/pam for 
> invalid user
> linuxuser2(a)vuwtest.ac.nz from 10.100.32.67 port 53880 ssh2
> Jun 9 17:15:37 centos7a sshd[1812]: Postponed keyboard-interactive for 
> invalid user
> linuxuser2(a)vuwtest.ac.nz from 10.100.32.67 port 53880 ssh2 [preauth]
> 8><---
> 
> 
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