<div dir="ltr"><div class="gmail_extra">That did it, thanks! I could have sworn I tried that, maybe I ended up putting it in in the wrong section. I wish whatever changed going from 4.2.0 to 4.4.0 that made SELinux required, took the selinux enforcement level into account and updated the file accordingly. </div><div class="gmail_extra"><div class="gmail_quote">On Fri, Dec 23, 2016 at 4:31 AM, Alexander Bokovoy <<a href="mailto:abokovoy@redhat.com" target="_blank">abokovoy@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">On to, 22 joulu 2016, Dan Kemp wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hello, I recently ran an upgrade of my freeipa servers, and most of the clients to 4.4.0 (Current with CentOS 7 repos) from version 4.2.0. After the install and server update, I can no longer log in to update clients via ssh. Login to non-update clients works as before. The SSH connections fail with: Connection closed by UNKNOWN I ran sssd with debugging on a failing 4.4.0 client and got this error log: (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [ldb] (0x4000): commit ldb transaction (nesting: 2) (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [ldb] (0x4000): commit ldb transaction (nesting: 1) (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [ldb] (0x4000): commit ldb transaction (nesting: 0) (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [selinux_child_create_buffer] (0x4000): buffer size: 45 (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_handler_setup] (0x2000): Setting up signal handler up for pid [437] (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_handler_setup] (0x2000): Signal handler set up for pid [437] (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [sdap_process_result] (0x2000): Trace: sh[0x560c04c37790], connected[1], ops[(nil)], ldap[0x560c04c32d60] (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [sdap_process_result] (0x2000): Trace: end of ldap_result list (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [write_pipe_handler] (0x0400): All data has been sent! (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0400): selinux_child started. (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x2000): Running with effective IDs: [0][0]. (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x2000): Running with real IDs [0][0]. (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0400): context initialized (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] (0x2000): seuser length: 12 (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] (0x2000): seuser: unconfined_u (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] (0x2000): mls_range length: 14 (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] (0x2000): mls_range: s0-s0:c0.c1023 (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] (0x2000): username length: 7 (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] (0x2000): username: ipauser (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0400): performing selinux operations (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [sss_semanage_init] (0x0020): SELinux policy not managed (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [get_seuser] (0x0020): Cannot create SELinux handle (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [seuser_needs_update] (0x2000): get_seuser: ret: 5 seuser: unknown mls: unknown (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [sss_semanage_init] (0x0020): SELinux policy not managed (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [set_seuser] (0x0020): Cannot init SELinux management (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0020): Cannot set SELinux login context. (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0020): selinux_child failed! (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [read_pipe_handler] (0x0400): EOF received, client finished (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [selinux_child_done] (0x0020): selinux_child_parse_response failed: [22][Invalid argument] (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_req_done] (0x0400): DP Request [PAM SELinux #3]: Request handler finished [0]: Success (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [_dp_req_recv] (0x0400): DP Request [PAM SELinux #3]: Receiving request data. (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_req_destructor] (0x0400): DP Request [PAM SELinux #3]: Request removed. (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_req_destructor] (0x0400): Number of active DP request: 0 (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_pam_reply] (0x1000): DP Request [PAM Account #2]: Sending result [4][domain.local] (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_sig_handler] (0x1000): Waiting for child [437]. (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_sig_handler] (0x0020): child [437] failed with status [1]. (Wed Dec 20 20:38:13 2016) [sssd[pam]] [sbus_remove_timeout] (0x2000): 0x55f4be11f4c0 (Wed Dec 20 20:38:13 2016) [sssd[pam]] [sbus_dispatch] (0x4000): dbus conn: 0x55f4be1191b0 (Wed Dec 20 20:38:13 2016) [sssd[pam]] [sbus_dispatch] (0x4000): Dispatching. (Wed Dec 20 20:38:13 2016) [sssd[pam]] [pam_dp_process_reply] (0x0200): received: [4 (System error)][domain.local] (Wed Dec 20 20:38:13 2016) [sssd[pam]] [pam_reply] (0x0200): pam_reply called with result [4]: System error. (Wed Dec 20 20:38:13 2016) [sssd[pam]] [pam_reply] (0x0200): blen: 39 (Wed Dec 20 20:38:13 2016) [sssd[pam]] [reset_idle_timer] (0x4000): Idle timer re-set for client [0x55f4be11f980][19] (Wed Dec 20 20:38:13 2016) [sssd[pam]] [reset_idle_timer] (0x4000): Idle timer re-set for client [0x55f4be11f980][19] (Wed Dec 20 20:38:13 2016) [sssd[pam]] [client_recv] (0x0200): Client disconnected! (Wed Dec 20 20:38:13 2016) [sssd[pam]] [client_close_fn] (0x2000): Terminated client [0x55f4be11f980][19] (Wed Dec 20 20:38:13 2016) [sssd[nss]] [reset_idle_timer] (0x4000): Idle timer re-set for client [0x5604f5217c60][22] (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_recv] (0x0200): Client disconnected! (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_close_fn] (0x2000): Terminated client [0x5604f5217c60][22] (Wed Dec 20 20:38:13 2016) [sssd[nss]] [reset_idle_timer] (0x4000): Idle timer re-set for client [0x5604f5216b20][21] (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_recv] (0x0200): Client disconnected! (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_close_fn] (0x2000): Terminated client [0x5604f5216b20][21] SeLinux is disabled, as I am running the clients in LXC containers on a debian host. My setup is pretty simple, and was working before (and connections to 4.2.0 clients are still functional!). Nothing looks amiss in the ssh logs. </blockquote></div></div> Add selinux_provider=none to the domain section if you are not using SELinux at all. -- / Alexander Bokovoy </blockquote></div> </div></div>