Christine,

Pretty simple really.

On your database:

select '|' || value || '|'
from v$parameter
where name = 'os_authent_prefix';

The reason for the enclosing '|' will be apparent if
the value is an empty string.

Assuming you logon to the box as 'administrator', and
that os_authent_prefix = '' you do the following in your database:

  create user administrator identified externally
  default tablespace users
  temporary tablespace temp;

  grant dba to administrator;

The administrator account will now be able to logon to the
database without a password.

e.g. sqlplus /

If the os_authent_prefix has some value, say OPS$, then
use that to create the account:


  create user ops$administrator identified externally
  default tablespace users
  temporary tablespace temp;

  grant dba to ops$administrator;

The administrator account will still be able to logon with 
sqlplus /

The fine docs will offer more detail

HTH

Jared







"Turner, Christine" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
 10/29/2002 08:49 AM
 Please respond to ORACLE-L

 
        To:     Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
        cc: 
        Subject:        O/S Authentication


Greetings ALL......

I have been assigned a security research project by my boss. Really simple
topic, o/s authentication vs. password file authentication. Currently we 
use
a password file, and the boss wants to know what it would take to convert 
to
o/s authentication instead. However, I'm not familiar with o/s
authentication. Can anyone assist?

Currently we are using Oracle 81730 - Standard edition - on a windows
platform. Suggestions are welcome.

thanks,
C-
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Author: Turner, Christine
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