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Re: Oracle 10g R2 on Linux with Kerberos 5

From: Maimon Oded <oded.maimon_at_gmail.com>
Date: Wed, 9 Nov 2005 13:10:21 +0200
Message-ID: <afc75c420511090310p7e7ab9ddsbefc1a8eb3f9d272@mail.gmail.com>


Hi,
Well, I've managed to partially fix the problem, I've removed the principles and recreated them with only DES encryption. after that okinit and sqlplus /@mydb, worked on the database server.
but when running it from a remote server/client (linux and windows) the okinit worked, but running sqlplus /@mydb return: *ERROR:
ORA-12638: Credential retrieval failed*
 the time between the machines is synchronized.  any one have any leads?
 Regards,
 Oded.

 On 11/8/05, Maimon Oded <oded.maimon_at_gmail.com> wrote:
>
> Hi all,
> I'm getting desperate..
> I've a working KDC on linux (RH3-U5), i can authenticate to my other
> linux machines with it, i can run rsh,telnet with that KDC.
> so the kdc is working.
> i'm trying to configure oracle 10gR2 (also on linux) with it, but i guss
> i'm missing something very important.
> the OS kinit command is working, oracle okinit command is not working, i'm
> getting:
>
> *[oracle_at_lxoid1 admin]$ okinit*
>
> *Kerberos Utilities for Linux: Version 10.2.0.1.0 - Production on
> 08-NOV-2005 15:31:34*
>
> *Copyright (c) 1996, 2004 Oracle. All rights reserved.*
>
> *Password for **oracle_at_mydom.com* <oracle_at_mydom.com>*:
> okinit: Password incorrect
> okinit: Decrypt integrity check failed
> *
>
> my sqlnet.ora:
>
> *NAMES.DIRECTORY_PATH= (TNSNAMES)
> SQLNET.AUTHENTICATION_SERVICES = (KERBEROS5)
> SQLNET.KERBEROS5_KEYTAB = /etc/krbora10g.keytab
> SQLNET.KERBEROS5_CONF = /etc/krb5.conf
> SQLNET.KERBEROS5_CONF_MIT = TRUE
> SQLNET.AUTHENTICATION_KERBEROS5_SERVICE = ora10g
> TRACE_LEVEL_CLIENT = SUPPORT
> TRACE_LEVEL_SERVER = SUPPORT
> TRACE_DIRECTORY_CLIENT = /tmp/clnt
> TRACE_DIRECTORY_SERVER = /tmp/srv*
>
> the owner of /etc/krbora10g.keytab is oracle:dba.
>
> running kinit, and then running "sqlplus /@mydb" return:
>
> *SQL*Plus: Release 10.2.0.1.0 - Production on Tue Nov 8 15:46:02 2005*
>
> *Copyright (c) 1982, 2005, Oracle. All rights reserved.*
>
> *ERROR:
> ORA-12638: Credential retrieval failed
> *
>
> pleaaaaasssssseee, HELP!
>
> Oded.
>

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Received on Wed Nov 09 2005 - 05:12:24 CST

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