[Freeipa-users] Cannot contact any KDC for requested realm changing password

[Ismael Puerto]

Restart the service ipa-kpasswd

Ismael Puerto

El 23/06/2009, a las 03:25, Robert Marcano <robert at marcanoonline.com>  
escribió:

> This weekend one of our ipa servers was moved from one subnet to
> another new, all IPs, gateways, DNS references (including SRV records
> and reverse records) were changed. Since that change We have this
> problem, It is not possible for any user to change the password using
> kpasswd (or using kinit for an expired password), the error message is
> "Cannot contact any KDC for requested realm changing password",
> everyone can kinit without problems,
>
> [root at ipaserver ~]# kpasswd
> Password for user at MYDOMAIN.COM:
> Enter new password:
> Enter it again:
> kpasswd: Cannot contact any KDC for requested realm changing password
>
> /var/log/krb5kdc.log says (values altered to protect the inocent)
>
> Jun 22 16:47:31 ipaserver.MYDOMAIN.COM krb5kdc[3551](info): AS_REQ (7
> etypes {18 17 16 23 1 3 2}) 192.168.x.y: NEEDED_PREAUTH:
> user at MYDOMAIN.COM for kadmin/changepw at MYDOMAIN.COM, Additional
> pre-authentication required
> Jun 22 16:47:31 ipaserver.MYDOMAIN.COM krb5kdc[3551](info): AS_REQ (7
> etypes {18 17 16 23 1 3 2}) 192.168.x.y: NEEDED_PREAUTH:
> user at MYDOMAIN.COM for kadmin/changepw at MYDOMAIN.COM, Additional
> pre-authentication required
> Jun 22 16:47:31 ipaserver.MYDOMAIN.COM krb5kdc[3551](info): AS_REQ (7
> etypes {18 17 16 23 1 3 2}) 192.168.x.y: ISSUE: authtime 1245705451,
> etypes {rep=18 tkt=18 ses=18}, user at MYDOMAIN.COM for
> kadmin/changepw at MYDOMAIN.COM
> Jun 22 16:47:31 ipaserver.MYDOMAIN.COM krb5kdc[3551](info): AS_REQ (7
> etypes {18 17 16 23 1 3 2}) 192.168.x.y: ISSUE: authtime 1245705451,
> etypes {rep=18 tkt=18 ses=18}, user at MYDOMAIN.COM for
> kadmin/changepw at MYDOMAIN.COM
>
> In order to discard if it is a firewall problem, we disabled it, and
> tested kpasswd on the same ipa server. We are running with SELinux
> permissive trying to test if it is SELinux related. DNS SRV records
> are being resolved on the IPA server. Running FreeIPA 1.2
>
> This problems looks more Kerberos related than a FreeIPA problem, but
> I am running out of ideas about the probable reason.
>
> Any help is really appreciated
>
> -- 
> Robert Marcano
>
> _______________________________________________
> Freeipa-users mailing list
> Freeipa-users at redhat.com
> https://www.redhat.com/mailman/listinfo/freeipa-users

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