Hi Stephen,

Thanks alot for the help.

I got the issue. Its due to the problem in /etc/pam.d/sshd file.

After fixing this, now is working fine. Thanks alot once again.

On Mon, Dec 4, 2017 at 9:39 PM, Stephen Smalley <[email protected]> wrote:

> On Mon, 2017-12-04 at 21:31 +0530, Aman Sharma wrote:
> > Hi Stephen,
> >
> > I got the below logs from the file .Can you please if these logs are
> > fine or not :
> >
> > journalctl | grep selinux
> > Dec 05 02:55:46 localhost.localdomain kernel: EVM: security.selinux
> > Dec 04 21:26:10 cucm audispd[569]: node=localhost.localdomain
> > type=USER_START msg=audit(1512402970.129:107): pid=7145 uid=0 auid=0
> > ses=2 subj=system_u:system_r:sshd_t:s0-s0:c0.c1023
> > msg='op=PAM:session_open
> > grantors=pam_selinux,pam_loginuid,pam_selinux,pam_namespace,pam_keyin
> > it,pam_keyinit,pam_limits,pam_systemd,pam_unix,pam_lastlog
> > acct="root" exe="/usr/sbin/sshd" hostname=10.97.7.209
> > addr=10.97.7.209 terminal=ssh res=success'
> > Dec 04 21:26:10 cucm audispd[569]: node=localhost.localdomain
> > type=USER_START msg=audit(1512402970.131:108): pid=7568 uid=0 auid=0
> > ses=3 subj=system_u:system_r:sshd_t:s0-s0:c0.c1023
> > msg='op=PAM:session_open
> > grantors=pam_selinux,pam_loginuid,pam_selinux,pam_namespace,pam_keyin
> > it,pam_keyinit,pam_limits,pam_systemd,pam_unix,pam_lastlog
> > acct="root" exe="/usr/sbin/sshd" hostname=10.97.7.209
> > addr=10.97.7.209 terminal=ssh res=success'
> >
> > Please let me know if any comments are there.
>
> Those are normal.  Check journalctl and /var/log/secure for any errors
> from sshd.
> Also try the selinuxdefcon command I mentioned.
>
> >
> > On Mon, Dec 4, 2017 at 9:10 PM, Stephen Smalley <[email protected]>
> > wrote:
> > > On Sat, 2017-12-02 at 09:29 +0530, Aman Sharma wrote:
> > > > Hi All,
> > > >
> > > > Thanks for the information.
> > > >
> > > > But after resetting the semanage User/login, and moving the
> > > targeted
> > > > folder to old one and then install the default target. then also
> > > its
> > > > still showing the
> > > > Id context as context=system_u:system_r:unconfined_t:s0-
> > > s0:c0.c1023.
> > > >
> > > > What I observed is after changing the permission using semanage
> > > > command also, its still showing the system_u:system_r.
> > > >
> > > > Check the semanage login/User output :
> > > >
> > > > semanage login -l
> > > >
> > > > Login Name           SELinux User         MLS/MCS Range
> > > > Service
> > > >
> > > > __default__          unconfined_u         s0-s0:c0.c1023       *
> > > > root                 unconfined_u         s0-s0:c0.c1023       *
> > > > system_u             system_u             s0-s0:c0.c1023       *
> > > >
> > > >
> > > > semanage user -l
> > > >
> > > >                 Labeling   MLS/       MLS/
> > >
> > > > SELinux User    Prefix     MCS Level  MCS Range
> > >
> > > > SELinux Roles
> > > >
> > > > guest_u         user       s0         s0
> > >
> > > >  guest_r
> > > > root            user       s0         s0-s0:c0.c1023
> > >
> > > >  staff_r sysadm_r system_r unconfined_r
> > > > staff_u         user       s0         s0-s0:c0.c1023
> > >
> > > >  staff_r sysadm_r system_r unconfined_r
> > > > sysadm_u        user       s0         s0-s0:c0.c1023
> > >
> > > >  sysadm_r
> > > > system_u        user       s0         s0-s0:c0.c1023
> > >
> > > >  system_r unconfined_r
> > > > unconfined_u    user       s0         s0-s0:c0.c1023
> > >
> > > >  system_r unconfined_r
> > > > user_u          user       s0         s0
> > >
> > > >  user_r
> > > > xguest_u        user       s0         s0
> > >
> > > >  xguest_r
> > > >
> > > >
> > > > Looks like its related to some other issue. What you think about
> > > > this.
> > >
> > > Do you have any relevant error messages in /var/log/secure or
> > > journalctl -rb?  Look for anything that refers to selinux or
> > > context.
> > >
> > > I'm guessing that pam_selinux is unable to determine a valid
> > > context
> > > for your login for some reason, and this is causing it to fall back
> > > to
> > > this one.  Or something like that.
> > >
> > > You could try to emulate this process via selinuxdefcon, although
> > > I'm
> > > not sure how closely it matches pam_selinux anymore.  Sample usage:
> > >
> > > 1. See what context sshd is running in.
> > >
> > > ps -eZ | grep sshd
> > >
> > > It should be:
> > > system_u:system_r:sshd_t:s0-s0:c0.c1023
> > >
> > > 2. Run selinuxdefcon to compute the default context for root when
> > > logging in from sshd:
> > >
> > > # Second argument should be whatever was shown by ps -eZ | grep
> > > sshd
> > > above.
> > > selinuxdefcon root system_u:system_r:sshd_t:s0-s0.c0123
> > >
> > > It should be:
> > > unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
> > >
> > >
> > >
> >
> >
> >
> > --
> >
> > Thanks
> > Aman
> > Cell: +91 9990296404 |  Email ID : [email protected]
>



-- 

Thanks
Aman
Cell: +91 9990296404 |  Email ID : [email protected]

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