[Freeipa-users] Additional pre-authentication required, Ticket Wrong ?

Matt . yamakasi.014 at gmail.com
Tue Mar 31 09:15:12 UTC 2015


Yes I would assume too, but it's just kicking out possibilities what
could make it not working.

I cannot figure out why it only logs the 401 after the known 301's in
the access_log and nothing further, apache really blocks, so kerberos
should be in the way for sure, but how.



2015-03-31 11:09 GMT+02:00 Sumit Bose <sbose at redhat.com>:
> On Tue, Mar 31, 2015 at 11:02:24AM +0200, Matt . wrote:
>> On my client I still see:
>>
>> 03/31/2015 11:00:08  04/01/2015 11:00:07  krbtgt/DOMAIN.LOCAL at DOMAIN.LOCAL
>> 03/31/2015 11:00:09  04/01/2015 11:00:07  HTTP/ldap-01.domain.local at DOMAIN.LOCAL
>>
>> Should ldap-01 not be ldap as I go through my loadbalancer ?
>
> I guess not, because your loadbalancer just redirects the traffic and
> the authentication is done with ldap-01.
>
> bye,
> Sumit
>
>>
>> Do I need to merge keytabs or so ?
>>
>> 2015-03-31 7:54 GMT+02:00 Matt . <yamakasi.014 at gmail.com>:
>> > Hi,
>> >
>> > I tried to trace some stuff but this doesn't give me much more info.
>> >
>> > What I see at the moment in the /var/log/httpd/acces_log is exactly
>> > what happens but without the info I need to get a better view:
>> >
>> > 10.10.0.121 - - [30/Mar/2015:22:22:58 +0200] "POST /ipa/json HTTP/1.1" 301 258
>> > 10.10.0.121 - - [30/Mar/2015:22:22:58 +0200] "POST /ipa/json HTTP/1.1"
>> > 301 259 "https://ldap.domain.local/ipa/json" "-"
>> > 10.10.0.121 - - [30/Mar/2015:22:22:58 +0200] "POST /ipa/json HTTP/1.1" 401 1469
>> > 10.10.0.121 - - [30/Mar/2015:22:22:59 +0200] "POST /ipa/json HTTP/1.1" 401 1469
>> >
>> > 2015-03-30 15:03 GMT+02:00 Sumit Bose <sbose at redhat.com>:
>> >> On Mon, Mar 30, 2015 at 04:56:11AM +0200, Matt . wrote:
>> >>> Hi,
>> >>>
>> >>> I just tot home and typing from my cell so i'm suite short in words
>> >>>
>> >>> Create keytab for ldap-01.domain
>> >>> Kinit with that to ldap.domain
>> >>> Curl against ldap.domain
>> >>> Get a 301 which I manage from curl (goes well)
>> >>> Get kerberos ticket error
>> >>>
>> >>> now I don't kinit anymore so re-use my existing ticket and curl against
>> >>> ldap-01.domain and I'm accepted and can execute stuff.
>> >>>
>> >>> My ssl is OK, ticket also it seems.
>> >>
>> >> Maybe the output of
>> >>
>> >> KRB5_TRACE=/dev/sdtout curl -v ....
>> >>
>> >> might help to see what is going on?
>> >>
>> >> bye,
>> >> Sumit
>> >>
>> >>>
>> >>> Thanks M.
>> >>> Op 30 mrt. 2015 03:50 schreef "Dmitri Pal" <dpal at redhat.com>:
>> >>>
>> >>> > On 03/29/2015 04:47 AM, Matt . wrote:
>> >>> >
>> >>> >> Hi Guys,
>> >>> >>
>> >>> >> Now my Certification issues are solved for using a loadbalancer in
>> >>> >> front of my ipa servers I get the following:
>> >>> >>
>> >>> >> Unable to verify your Kerberos credentials
>> >>> >>
>> >>> >> and in my logs:
>> >>> >>
>> >>> >> Additional pre-authentication required.
>> >>> >>
>> >>> >> This happens when I connect throught my loadbalancers, I see my server
>> >>> >> coming ni with the right IP.
>> >>> >>
>> >>> >> When I access my ipa server directly, not using the loadbalancer IP
>> >>> >> between it, my kerberos Ticket is valid.
>> >>> >>
>> >>> >> I get the feeling that when I use my loadbalancers and because of that
>> >>> >> I get a 301 redirect it needs a preauth. I see some issues on
>> >>> >> mailinglists but it doesn't fit my situation.
>> >>> >>
>> >>> >> Why wants it the preauth when I already have a valid ticket and my
>> >>> >> redirect is followed by CURL and posted the right way ?
>> >>> >>
>> >>> >
>> >>> > Can you describe the sequence?
>> >>> > What do you do?
>> >>> >
>> >>> > From the client you try IPA CLI and this is where you see the problem even
>> >>> > with the valid ticket or is the flow different?
>> >>> >
>> >>> >  I hope someone has an idea.
>> >>> >>
>> >>> >> Thanks,
>> >>> >>
>> >>> >> Matt
>> >>> >>
>> >>> >>
>> >>> >
>> >>> > --
>> >>> > Thank you,
>> >>> > Dmitri Pal
>> >>> >
>> >>> > Sr. Engineering Manager IdM portfolio
>> >>> > Red Hat, Inc.
>> >>> >
>> >>> > --
>> >>> > Manage your subscription for the Freeipa-users mailing list:
>> >>> > https://www.redhat.com/mailman/listinfo/freeipa-users
>> >>> > Go to http://freeipa.org for more info on the project
>> >>> >
>> >>
>> >>> --
>> >>> Manage your subscription for the Freeipa-users mailing list:
>> >>> https://www.redhat.com/mailman/listinfo/freeipa-users
>> >>> Go to http://freeipa.org for more info on the project
>> >>




More information about the Freeipa-users mailing list