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We have a working FreeIPA installation, it's in production since February. Almost everything works as expected but when we try to run command-line FreeIPA-related tools none of them work:

[admin@ipa ~]$ kinit admin
Password for admin@EXAMPLE.COM: 
[admin@ipa ~]$ klist
Ticket cache: KEYRING:persistent:8800000
Default principal: admin@EXAMPLE.COM

Valid starting       Expires              Service principal
06/30/2014 21:19:30  07/01/2014 21:19:12  krbtgt/EXAMPLE.COM@EXAMPLE.COM
[admin@ipa ~]$ ipa pwpolicy-show global_policy
ipa: ERROR: Kerberos error: ('Unspecified GSS failure.  Minor code may provide more information', 851968)/('No Kerberos credentials available', -1765328243)
[admin@ipa ~]$

I'm not a Kerberos expert and don't really know what to check. How can we debug and resolve this?

Update: when I add -vv I get the following:

[admin@ipa ~]$ ipa -vv pwpolicy-show global_policy
ipa: INFO: trying https://ipa.example.com/ipa/xml
ipa: INFO: Forwarding 'pwpolicy_show' to server 'https://ipa.example.com/ipa/xml'
ipa: ERROR: Kerberos error: ('Unspecified GSS failure.  Minor code may provide more information', 851968)/('No Kerberos credentials available', -1765328243)
[admin@ipa ~]$

Update 2: the content of /etc/krb5.conf follows:

includedir /var/lib/sss/pubconf/krb5.include.d/

 default = FILE:/var/log/krb5libs.log
 kdc = FILE:/var/log/krb5kdc.log
 admin_server = FILE:/var/log/kadmind.log

 default_realm = EXAMPLE.COM
 dns_lookup_realm = false
 dns_lookup_kdc = true
 rdns = false
 ticket_lifetime = 24h
 forwardable = yes
 default_ccache_name = KEYRING:persistent:%{uid}

  kdc = ipa.example.com:88
  master_kdc = ipa.example.com:88
  admin_server = ipa.example.com:749
  default_domain = example.com
  pkinit_anchors = FILE:/etc/ipa/ca.crt

 .example.com = EXAMPLE.COM
 example.com = EXAMPLE.COM

    db_library = ipadb.so

Update 3: This is a single-server installation, the distro is Fedora 19 and FreeIPA version is 3.3.5

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What Linux distributions and versions of FreeIPA are you running, both on this server and on the KDC? –  Michael Hampton Jun 30 at 20:44
There is only a single server actually, it's Fedora 19 w/all the latest updates, so this is FreeIPA 3.3.5 –  Alex Jun 30 at 20:56
I'd start looking at krb5kdc.log then. –  Michael Hampton Jun 30 at 20:59
Unfortunately nothing gets added to this log when I run ipa ... but I noticed that ipa command tried to open a /var/kerberos/krb5/user/8800000/client.keytab file but the system did not have it. So, it looks like a keytab problem. –  Alex Jun 30 at 21:16
Yeah, your keytab should be elsewhere. I think. Have you just tried opening the web UI yourself? –  Michael Hampton Jun 30 at 21:17

1 Answer 1

up vote 3 down vote accepted

The main difference I see in your configuration compared to my live FreeIPA (on Fedora 20) is that I do not use the kernel keyring as a ticket cache.

 default_ccache_name = KEYRING:persistent:%{uid}

My /etc/krb5.conf does not specify this at all, so the default FILE is used. Removing this should get you going again.

As Matthew Ife indicates in a comment, the kernel keyring is more secure and will (eventually) be the way to go, but at the moment it doesn't appear to be stable enough for production use. You may wish to report this to Fedora as a bug.

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