Enabling Kerberos Authentication
6-10
Oracle Database Advanced Security Administrator's Guide
Task 8: Create a Kerberos User
To create Oracle users that Kerberos can authenticate, perform this task on the
Kerberos authentication server where the administration tools are installed. The
realm must already exist.
Run
/krb5/admin/kadmin.local
as root to create a new Kerberos user, such as
krbuser
.
The following example is UNIX-specific:
# ./kadmin.local
kadmin.local: addprinc krbuser
Enter password for principal: "[email protected]": (password does not display)
Re-enter password for principal: "[email protected]": (password does not
display)
kadmin.local: exit
Task 9: Create an Externally Authenticated Oracle User
Run SQL*Plus on the Oracle database server to create the Oracle user that
corresponds to the Kerberos user. In the following example,
OS_AUTHENT_PREFIX
is set to null (
""
). The Oracle user name is in uppercase enclosed in double
quotation marks as shown in the following example:
SQL> CONNECT / AS SYSDBA;
SQL> CREATE USER "[email protected]" IDENTIFIED EXTERNALLY;
SQL> GRANT CREATE SESSION TO "[email protected]";
Description:
This parameter specifies the complete path name to the
Kerberos realm translation file. The translation file provides a
mapping from a host name or domain name to a realm. The
default is operating system-dependent. For UNIX, it is
/etc/krb.realms
.
Example:
SQLNET.KERBEROS5_REALMS=/krb5/krb.realms
Note:
The utility names in this section are executable programs.
However, the Kerberos user name
krbuser
and realm
SOMECO.COM
are examples only; they can vary among systems.
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