<div dir="ltr"><div><div><div><div><div><div><div><div><div><div><div><div>Hello everyone !<br><br></div>I have an ipa server and an ipa client both in 3.0.0-47.<br><br></div>In order to connect via SSH to the host of the ipa-client, I use root.<br></div>When I'm connected to the ipa-client via ssh being root, I do a kinit of a user with a keytab :<br></div>###<br>kinit -kt /etc/security/keytabs/<myuser>.headless.keytab <myuser><br>###<br><br></div>And sometimes, once I have the TGT, when I do just an ipa user-show, I got the following error :<br>###<br>ipa: ERROR: Insufficient access: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure.  Minor code may provide more information (Ticket expired)<br>###<br><br></div>When I check the ticket, it is not expired :<br>###<br># klist<br>Ticket cache: FILE:/tmp/krb5cc_root_<myuser><br>Default principal: <myuser>@<myrealm><br><br>Valid starting     Expires            Service principal<br>10/25/16 10:00:44  10/26/16 10:00:44  krbtgt/<myrealm>@<myrealm><br>###<br><br></div>Do you know from where it can come and how I can solve this error please ?<br><br></div>Here is more information with the debug option :<br>###<br>ipa -d user-show <myuser2><br>###<br><br></div>Result :<br>###<br>ipa: DEBUG: importing all plugin modules in '/usr/lib/python2.6/site-packages/ipalib/plugins'...<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/aci.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/automember.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/automount.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/baseldap.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/batch.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/cert.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/config.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/delegation.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/dns.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/group.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/hbacrule.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/hbacsvc.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/hbacsvcgroup.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/hbactest.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/host.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/hostgroup.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/idrange.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/internal.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/kerberos.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/krbtpolicy.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/migration.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/misc.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/netgroup.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/passwd.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/permission.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/ping.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/privilege.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/pwpolicy.py'<br>ipa: DEBUG: args=klist -V<br>ipa: DEBUG: stdout=Kerberos 5 version 1.10.3<br><br>ipa: DEBUG: stderr=<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/role.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/selfservice.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/selinuxusermap.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/service.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/sudocmd.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/sudocmdgroup.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/sudorule.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/trust.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/user.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/virtual.py'<br>ipa: DEBUG: importing plugin module '/usr/lib/python2.6/site-packages/ipalib/plugins/xmlclient.py'<br>ipa: DEBUG: args=keyctl search @s user ipa_session_cookie:<myuser>@<myrealm><br>ipa: DEBUG: stdout=44063864<br><br>ipa: DEBUG: stderr=<br>ipa: DEBUG: args=keyctl pipe 44063864<br>ipa: DEBUG: stdout=ipa_session=26a7252e4853374fc7439eae5926c584; Domain=<ipa-host>; Path=/ipa; Expires=Tue, 25 Oct 2016 08:15:09 GMT; Secure; HttpOnly<br>ipa: DEBUG: stderr=<br>ipa: DEBUG: found session_cookie in persistent storage for principal '<myuser>@<myrealm>', cookie: 'ipa_session=26a7252e4853374fc7439eae5926c584; Domain=<ipa-host>; Path=/ipa; Expires=Tue, 25 Oct 2016 08:15:09 GMT; Secure; HttpOnly'<br>ipa: DEBUG: setting session_cookie into context 'ipa_session=26a7252e4853374fc7439eae5926c584;'<br>ipa: INFO: trying https://<ipa-host>/ipa/session/xml<br>ipa: DEBUG: Created connection context.xmlclient<br>ipa: DEBUG: raw: user_show(u'<myuser2>', rights=False, all=False, raw=False, version=u'2.49', no_members=False)<br>ipa: DEBUG: user_show(u'<myuser2>', rights=False, all=False, raw=False, version=u'2.49', no_members=False)<br>ipa: INFO: Forwarding 'user_show' to server u'https://<ipa-host>/ipa/session/xml'<br>ipa: DEBUG: NSSConnection init <ipa-host><br>ipa: DEBUG: Connecting: <a href="http://10.79.28.51:0">10.79.28.51:0</a><br>ipa: DEBUG: auth_certificate_callback: check_sig=True is_server=False<br>Data:<br>        Version:       3 (0x2)<br>        Serial Number: 10 (0xa)<br>        Signature Algorithm:<br>            Algorithm: PKCS #1 SHA-256 With RSA Encryption<br>        Issuer: CN=Certificate Authority,O=<myrealm><br>        Validity:<br>            Not Before: Mon Nov 23 13:01:37 2015 UTC<br>            Not After:  Thu Nov 23 13:01:37 2017 UTC<br>        Subject: CN=<ipa-host>,O=<myrealm><br>        Subject Public Key Info:<br>            Public Key Algorithm:<br>                Algorithm: PKCS #1 RSA Encryption<br>            RSA Public Key:<br>                Modulus:<br>                    f4:df:8e:0c:39:ff:37:ba:64:90:b8:90:85:98:b9:b2:<br>                    8d:1f:81:3e:ce:de:84:87:51:f9:48:c1:27:8e:00:86:<br>                    90:d8:1c:1c:b2:d5:03:7e:29:a1:6d:f2:06:fd:26:8c:<br>                    f5:b6:8e:80:aa:0d:47:ea:82:74:30:9b:78:34:6d:62:<br>                    c5:ba:a6:05:3b:56:a7:b2:0a:88:35:9f:6b:cc:80:f8:<br>                    c9:15:08:5e:6c:36:98:09:80:3f:75:e9:69:3d:c1:22:<br>                    22:ce:15:5f:f8:c4:a3:db:79:92:57:ae:6d:5f:82:15:<br>                    fc:3c:c9:b6:10:58:36:71:03:91:19:cd:bb:5a:f3:9b:<br>                    e0:4a:cf:a6:43:30:b2:71:99:56:28:3f:7f:60:b3:fc:<br>                    e0:84:7b:cc:ef:63:b1:5d:0a:32:94:db:74:7b:a2:7c:<br>                    52:db:fb:12:fb:3e:14:fe:f1:9b:9c:e9:42:c2:7e:03:<br>                    a5:1d:ab:c1:75:06:a0:b4:50:5b:27:1c:c6:5a:27:62:<br>                    73:74:70:22:16:03:15:dc:f3:6c:de:1d:02:d7:de:03:<br>                    ca:1e:d1:9d:c1:25:59:84:e1:f6:b4:a0:8c:c6:b0:e0:<br>                    74:ce:2f:9f:50:e9:b5:d9:d5:f3:fa:7d:57:84:c3:59:<br>                    75:e9:6e:7d:0e:97:8b:a0:15:f2:4b:31:cc:ca:5c:45<br>                Exponent:<br>                    65537 (0x10001)<br>    Signed Extensions: (5 total)<br>        Name:     Certificate Authority Key Identifier<br>        Critical: False<br>        Key ID:<br>            39:76:7e:02:f1:99:28:b5:e4:c4:a5:cb:c5:4a:7a:50:<br>            f7:7f:85:85<br>        Serial Number: None<br>        General Names: [0 total]<br><br>        Name:     Authority Information Access<br>        Critical: False<br>        Authority Information Access: [1 total]<br>            Info [1]:<br>                Method:   PKIX Online Certificate Status Protocol<br>                Location: URI: http://<ipa-host>:80/ca/ocsp<br><br>        Name:     Certificate Key Usage<br>        Critical: True<br>        Usages:<br>            Digital Signature<br>            Non-Repudiation<br>            Key Encipherment<br>            Data Encipherment<br><br>        Name:     Extended Key Usage<br>        Critical: False<br>        Usages:<br>            TLS Web Server Authentication Certificate<br>            TLS Web Client Authentication Certificate<br><br>        Name:     Certificate Subject Key ID<br>        Critical: False<br>        Data:<br>            30:7d:c4:6f:01:e9:45:84:12:83:97:9c:34:42:c1:d1:<br>            ad:84:68:8b<br><br>    Signature:<br>        Signature Algorithm:<br>            Algorithm: PKCS #1 SHA-256 With RSA Encryption<br>        Signature:<br>            99:8f:05:f4:14:64:5e:8a:b3:cc:6d:b8:b1:b1:17:1c:<br>            a1:28:37:da:5a:1e:17:6c:61:5d:d4:a9:52:15:0a:8c:<br>            bc:9d:14:35:f0:b7:1a:0c:53:fa:05:5d:fa:56:1f:ea:<br>            23:be:b3:20:0a:30:dc:ae:e5:a6:4d:bf:35:4a:91:11:<br>            f6:fd:73:c5:55:e7:83:52:b0:f1:9b:83:c2:b3:48:ea:<br>            5e:21:aa:a0:2d:fb:78:cb:35:d8:20:02:c2:1c:8d:a1:<br>            8a:f5:72:81:c5:35:f5:36:3e:3e:5e:02:4b:4e:34:97:<br>            0f:b6:80:e2:90:1e:f9:55:41:79:f9:78:e6:d7:43:14:<br>            50:f7:39:e2:e8:7f:0a:89:95:08:94:7e:dd:ca:9d:ba:<br>            f8:9c:6f:24:48:5c:92:53:9d:cd:aa:91:91:6e:db:1e:<br>            df:54:3c:0b:ce:57:07:26:32:70:f9:ba:fd:ad:b2:7a:<br>            a6:1b:d1:a5:c9:30:1d:fa:f6:1d:8a:b0:71:ca:4d:9b:<br>            41:2b:7c:43:80:54:a3:32:65:d8:48:fe:87:a2:15:a7:<br>            14:f0:bb:f9:65:cd:7e:a9:03:a7:3c:f3:d1:73:f7:1b:<br>            a1:e7:51:66:39:ba:6c:a9:6d:1d:33:b0:3b:63:04:4c:<br>            79:cc:16:ce:5f:9f:b1:c5:01:47:72:88:0c:e2:69:ef<br>        Fingerprint (MD5):<br>            7c:3d:5b:37:da:62:e4:a1:da:57:e5:66:5a:f0:15:53<br>        Fingerprint (SHA1):<br>            2e:83:f0:14:cf:ca:c3:f5:6c:8e:fa:01:79:94:ec:90:<br>            75:81:d5:0b<br>ipa: DEBUG: approved_usage = SSL Server intended_usage = SSL Server<br>ipa: DEBUG: cert valid True for "CN=<ipa-host>,O=<myrealm>"<br>ipa: DEBUG: handshake complete, peer = <IP>:443<br>ipa: DEBUG: Protocol: TLS1.2<br>ipa: DEBUG: Cipher: TLS_RSA_WITH_AES_128_CBC_SHA<br>ipa: DEBUG: Caught fault 2100 from server https://<ipa-host>/ipa/session/xml: Insufficient access: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure.  Minor code may provide more information (Ticket expired)<br>ipa: DEBUG: Destroyed connection context.xmlclient<br>ipa: ERROR: Insufficient access: SASL(-1): generic failure: GSSAPI Error: Unspecified GSS failure.  Minor code may provide more information (Ticket expired)<br>###<br><br></div>Any guidance about where it can come from or what to do ?<br><br></div><div>From the ipa-server, in the krb5kdc.log, I found sometimes this kind of emssage :<br>###<br>Oct 25 09:59:37 <IPA HOST> krb5kdc[30767](info): ... CONSTRAINED-DELEGATION s4u-client=<myuser>@<myrealm><br>Oct 25 09:59:37 <IPA HOST> krb5kdc[30767](info): ... CONSTRAINED-DELEGATION s4u-client=<myuser>@<myrealm><br>###<br><br></div><div></div>Best regards.<br><br></div>Bahan<br></div>