Mustapha Aissat via FreeIPA-users wrote:
> Hi all,
> 
> 
> I'm facing some problems with connecting AD user to Linux host via ssh.
> 
> 
> I already configure the trust between IPA server and AD.
> 
> I create an external group "*grp_dba*" to point on AD group
> 
> I create a posix group "*admindba*" that contain the external group
> 
> I create a HBAC rule "*allow_dba*" to allow the group to access the host.
> 
> 
> I did an HBAC test and it tells me that the access is granted to the
> user. On the Client host, id, getent and even su work. but I still can't
> do an ssh!
> 
> 
> Can you please guide me?
> 
> 
> Thank you in advance.
> 
> 
> Here some commands  that I used and logs
> 
> ----------
> 
> _on IPA server :_
> 
> 
> [root@idm01 ~]# *ipa group-show admindba*
>   Group name: admindba
>   GID: 336200005
>   Member groups: grp_dba
>   Member of HBAC rule: allow_dba
> 
> 
> [root@idm01 ~]# *ipa hbactest [email protected]
> --host=zabbix.linux.dz.corp --service=sshd*
> --------------------
> Access granted: True
> --------------------
>   Matched rules: allow_dba
> 
> 
> _On Client host :_
> 
> 
> [root@zabbix ~]# *id [email protected]*
> uid=1790001108([email protected]) gid=1790001108([email protected])
> groups=1790001108([email protected]),1790000513(domain
> [email protected]),336200005(admindba),1790001107([email protected])
> 
> 
> [root@zabbix ~]# *geten [email protected]*
> getenforce  getent      
> 
> 
> [root@zabbix ~]# *getent passwd [email protected]*
> [email protected]:*:1790001108:1790001108:admin_dba01:/home/dz.corp/admin_dba01:
> 
> 
> [root@zabbix ~]# *getent group [email protected]*
> [email protected]:*:1790001108:
> 
> 
> [root@zabbix ~]# *su - [email protected]*
> Last login: Mon Feb  1 16:57:39 CET 2021 on pts/1
> *[[email protected]@zabbix ~]$ logout*
> [root@zabbix ~]#
> 
> 
> 
> [root@zabbix ~]# *journalctl -e*
> 
> Feb 01 19:32:33 zabbix.linux.dz.corp systemd[1]: Starting SSSD Kerberos
> Cache Manager...
> Feb 01 19:32:33 zabbix.linux.dz.corp systemd[1]: Started SSSD Kerberos
> Cache Manager.
> Feb 01 19:32:33 zabbix.linux.dz.corp sssd[kcm][17086]: Starting up
> Feb 01 19:32:33 zabbix.linux.dz.corp [sssd[krb5_child[17083]]][17083]:
> Ticket not yet valid

Looks to me like the system is not in time sync with the KDC.

rob

> Feb 01 19:32:33 zabbix.linux.dz.corp [sssd[krb5_child[17083]]][17083]:
> Ticket not yet valid
> Feb 01 19:32:33 zabbix.linux.dz.corp [sssd[krb5_child[17087]]][17087]:
> Ticket not yet valid
> Feb 01 19:32:33 zabbix.linux.dz.corp [sssd[krb5_child[17087]]][17087]:
> Ticket not yet valid
> Feb 01 19:32:33 zabbix.linux.dz.corp sshd[17080]: pam_sss(sshd:auth):
> authentication failure; logname= uid=0 euid=0 tty=ssh ruser=
> rhost=192.168.122.1 [email protected]
> Feb 01 19:32:33 zabbix.linux.dz.corp sshd[17080]: pam_sss(sshd:auth):
> received for user [email protected]: 6 (Permission denied)
> Feb 01 19:32:35 zabbix.linux.dz.corp sshd[17076]: error: PAM:
> Authentication failure for [email protected] from 192.168.122.1
> Feb 01 19:32:35 zabbix.linux.dz.corp sshd[17076]: Postponed
> keyboard-interactive for [email protected] from 192.168.122.1 port
> 43908 ssh2 [preauth]
> Feb 01 19:32:36 zabbix.linux.dz.corp sshd[17076]: Connection closed by
> authenticating user [email protected] 192.168.122.1 port 43908 [preauth]
> 
> 
> 
> -------
> 
> Best regards,
> 
> 
> 
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