[Freeipa-users] Failed to connect, going offline (5 [Input/output error])

[Sumit Bose]

On Fri, Jan 06, 2017 at 11:31:31AM +0100, rajat gupta wrote:
> Hi,
> 
> only few user are able to login. ipa ad-trust setup.

more details are needed here. Can you at least share sssd.conf from the
ilt-gif-ipa02?

> 
> ==========================
> Jan  6 10:48:36 ilt-gif-ipa02 sshd[22490]: reverse mapping checking
> getaddrinfo for ilp-noatun.man.cosng.net [146.213.128.135] failed -
> POSSIBLE BREAK-IN ATTEMPT!
> Jan  6 10:48:48 ilt-gif-ipa02 sshd[22490]: Invalid user et33015 from
> 146.213.128.135
> Jan  6 10:48:48 ilt-gif-ipa02 sshd[22490]: input_userauth_request: invalid
> user et33015 [preauth]
> Jan  6 10:48:48 ilt-gif-ipa02 sshd[22490]: error: PAM: User not known to
> the underlying authentication module for illegal user et33015 from x.x.x.x
> Jan  6 10:48:48 ilt-gif-ipa02 sshd[22490]: Failed keyboard-interactive/pam
> for invalid user et33015 from x.x.x.x port 51270 ssh2
> Jan  6 10:48:56 ilt-gif-ipa02 sshd[22490]: Failed password for invalid user
> et33015 from 146.213.128.135 port 51270 ssh2
> Jan  6 10:49:00 ilt-gif-ipa02 sshd[22490]: Failed password for invalid user
> et33015 from 146.213.128.135 port 51270 ssh2
> Jan  6 10:49:02 ilt-gif-ipa02 sshd[22490]: Failed password for invalid user
> et33015 from 146.213.128.135 port 51270 ssh2
> Jan  6 10:49:32 ilt-gif-ipa02 sshd[22490]: Connection closed by x.x.x.x
> [preauth]
> ============================
> 
> ====================
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]]
> [get_server_status] (0x1000): Status of server
> 'ilt-gif-ipa01.ipa.preprod.local' is 'working'
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]] [get_port_status]
> (0x1000): Port status of port 0 for server
> 'ilt-gif-ipa01.ipa.preprod.local' is 'not working'

Is it expected that ilt-gif-ipa01.ipa.preprod.local is not reachable?
Does authentication work on this server? Please send the full log so that it
can be checked what happened before and why SSSD assumes that the server
is 'not working'.

bye,
Sumit

> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]]
> [fo_resolve_service_send] (0x0020): No available servers for service 'IPA'
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]]
> [be_resolve_server_done] (0x1000): Server resolution failed: [5]:
> Input/output error
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]]
> [sdap_id_op_connect_done] (0x0020): Failed to connect, going offline (5
> [Input/output error])
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]] [be_mark_offline]
> (0x2000): Going offline!
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]] [be_mark_offline]
> (0x2000): Initialize check_if_online_ptask.
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]] [be_ptask_create]
> (0x0400): Periodic task [Check if online (periodic)] was created
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]]
> [be_ptask_schedule] (0x0400): Task [Check if online (periodic)]: scheduling
> task 72 seconds from now [1483696200]
> (Fri Jan  6 10:48:48 2017) [sssd[be[ipa.preprod.local]]]
> [be_run_offline_cb] (0x0080): Going offline. Running callbacks
> 
> i am able to getent and  kinit for all of the AD user. but most of the user
> are not able to login via ssh /ad-password
> 
> getent passwd  et33015
> et33015 at corp.corpcommon.com:*:1007629326:1007629326:Th Sub:/home/et33015:
> 
> and
> 
> kinit et33015 at CORP.CORPCOMMON.COM
> 
> 
> 
> -- 
> 
> *Rajat Gupta*

> -- 
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