Security :: Password File Authentication

Jan 5, 2013

What is happening here:

c:usersjohnhome>orapwd file=%ORACLE_HOME%databasePWDorcl.ora password=oracle
c:usersjohnhome>sqlplus sys/garbage@orcl as sysdba

SQL*Plus: Release Production on Sat Jan 5 18:25:06 2013
Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release - Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options

orcl> sho user
orcl> select sys_context('userenv','ip_address') from dual;

orcl>Why can I get a sys login, when I am connecting through the listener and giving an incorrect password? The listening address is a loopback address, is Oracle clever enough to realize that I am in fact logged on to the server as a member of the OSDBA group? I didn't think that information was passed through SQL*Net.

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Security :: Create Password File / Don't Know Password Of Sys User

Jun 5, 2012

I want to know what if any person don't know the password of SYS, can he create password file, becauase i dont know the password of sys users, generally login with '/ as sysdba',

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Security :: Create Password File In Oracle 10g?

Nov 28, 2011

I want to create password file in Oracle 10g, setp to create password file.

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Security :: How To Use OS Authentication To Login DB

Sep 16, 2011

How can i use OS authentication to login db?

SQL> connect / as sysdba
ORA-01031: insufficient privileges

sqlnet.ora text:

# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.

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Security :: Enhance Security Of Windows And Recover Lost / Forgotten Password?

Nov 16, 2010

Lost Windows password? Forgot Windows password? Your PC was hacked? Therefore, it is a basic step for every Windows users to enhance the security of Windows password. In the networks, it is found that a number of user's passwords are easy to guess. Only the smallest groups are the most security conscious and select passwords that are mixed lowercase and uppercase letters, numbers and punctuation to create cryptic passwords. Adopting strong password is one of the most effective ways to ensure system security. Here are several methods for you to enhance the security of your passwords in Windows 7/2000/XP/Vista and so on. You'd better remember the methods below unless you want to reset Windows password from time to time.

1. Is random password a great password?

A common myth is that totally random passwords like Ht3&e#L%5d@$B are the best passwords. This is not true. While they may be strong passwords, they are usually difficult to remember, slow to type, and sometimes vulnerable to attacks against the password generating algorithm. It is easy to create passwords that are strong but much easier to remember by using a few simple techniques. For example, consider the password "Luck-73@Better?". This password utilizes uppercase and lowercase letters, two numbers, and three symbols. The password is 15 characters long and can be memorized with very little effort. Moreover, this password can be typed very fast. The portion"Luck" and "Better" alternate between left and right-handed keys on the keyboard, improving speed, decreasing typos, and decreasing the chances of someone being able to discover your password by watching you.

2. Create the long Windows password

Although a password may eventually be discovered through some means, it is possible to create a password that cannot be cracked in any reasonable time. If a password is long enough, it will take so long or require so much processing power to crack it. That is essentially the same as being unbreakable (at least for most hackers).

3. Create the Windows password constantly?

This may be good advice for some high-risk passwords, but it is not the best policy for every user. It is frustrating for a user to have to constantly think of and remember new passwords every 30 days. It may be better to focus on stronger passwords and better user awareness rather than limiting password age. A more realistic time for the common user may be 90-120 days.

4. Write down Windows password in a proper place

Sometimes it is necessary for some users losing and forgetting complex passwords easily to write down them somewhere proper. However, it is important to educate users on how to write down passwords properly. Obviously, a sticky note on the monitor is not a good idea, but storing passwords in a safe or even a locked cabinet may be sufficient.

5. 14 characters is the optimal password length

Each character that you add to your password increases the protection. Your passwords should be 8 or more characters in length; 14 characters or longer is the Optimal Password Length. Many systems also support use of the space bar in passwords, so you can create a phrase made of many words. It is not easier to forget and lose, as well as longer than a simple password, and harder to guess.

6. Try not to use the same Windows password for all accounts

Some users always make the same passwords for every account to make it easy to remember. In that case, when any one of them lost, your other information protected by that password will be in danger as well. It is serious to use different passwords for different systems and accounts.

7. Do not use some common words that other users maybe guess

Most of users prefer to use some common words to remember easily, for example, login name, birth date, driver's license, passport number, pets' name and other words contained their personal information someone knows. In that case, your Windows system will not be safe anymore. Moreover, do remember not to use some words spelled backwards, abbreviations, sequences or repeated characters and adjacent letters, such as, asdfgh, 123456, 888888, abcdef and so on.

You can smoothly use your Windows now because the strong and powerful Windows password is created successfully, Certainly, I believe that many users lost Windows password and forgot Windows password, then you need have to reset Windows password or recover Windows password. It is a big problem for plenty of Windows users that how to reset Windows password. how to recover Windows password and they are puzzled by resetting windows password, for instance, reset Windows 7 password, recover password Windows XP, remove Windows Vista password and other operating systems after they create the password with complex letters, numbers and symbols. However, it is unnecessary to worry and it is said that things will eventually sort themselves out. There are many ways to reset forgotten Windows password, including use windows password reset disk and windows password reset software, like Super Windows Password Reset, a professional windows password reset software which could enable you to logon to Windows smoothly without reinstalling system.

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Security :: Integrating LDAP For User Authentication

Jan 24, 2013

We like to integrate the window LDAP to a new oracle database for user authentication. For example, this is a new test database and we don't have any users created.Now we like to figure out if we created the users with same id as in LDAP userid, how they can be authenticated externally by LDAP. I read and heard some info on OID provided by oracle but need some more step by step info to experiment.

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Security :: Windows Authentication And Connection In Oracle?

Jul 15, 2013

I have been using oracle based database security but company now wants to handle with windows authentication.I have windows os 2008 R2 and oracle

I also have set up the SQLNET.AUTHENTICATION_SERVICES= (NTS).I created user with create user "domainusername" identified Externally! but now how can i connection from application to database!

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Security :: Database Authentication Through Open LDAP

Mar 28, 2013

I'd like to have my 11g database authenticate users against an OpenLDAP service. We'd still create accounts in the database, and do authorization within the database, but I'd just want to the user's passwords authenticated externally, against the OpenLDAP service. Is this possible? My searching through these forums and Google seems to indicate that you can do it if you run an Oracle Internet Directory (OID) service. I do not want to have to install and maintain an Oracle Internet Directory service. I'd like to do it without it.

I have a working PL/SQL function (below) that can authenticate a passed in username & password against our OpenLDAP directory. Is there any way for me to have Oracle call this function for the database user authentication? Or is there any other way for me to get the Oracle database to directly authenticate against OpenLDAP without having to run OID?

create or replace function ldap_authenticate(username varchar2, password varchar2)
return boolean is
if dbms_ldap.success = dbms_ldap.simple_bind_s(

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Security :: Authentication For Connected User Database Links (release 11.x)

Jun 16, 2013

I know how to use database links in various forms, but I've been trying to think through how the authentication works for a connected user link in 11g. If I create the link like this,create public database link using 'orcl';then any user can use the link, provided they have an identical username/password in the two databases. With pre-11g passwords, it was understandable: the password was salted with the username, so the hash of the password would be the same in both databases, and I assumed that the logon through the link used some sort of IDENTIFIED BY VALUES mechanism. But in 11g, the salt will different in the two databases. So the hash will be different. And of course Oracle never stores the actual password. So I don't see how the authentication works.

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Security :: Windows OS Authentication Fails ORA-1017 After Renaming AD User

Jul 17, 2012

When a user is renamed in Active Directory, they can no longer connect to the Oracle DB thru OS authentication. There is no OID/DIP integration.

AD User CALRENATOH can connect to DB as 'sqlplus /'

But after renaming AD User CALRENATOH to CALRENATOH1 and dropping DB user CALRENATOH and creating DB user CALRENATOH1 drop user "CALRENATOH"; create user "CALRENATOH1" IDENTIFIED EXTERNALLY;

Now OS authentication 'sqlplus /' fails 'ORA-01017: invalid username/password; logon denied'..Once I recreate the DB user with old AD user name 'CALRENATOH', OS authentication succeeds. create user "CALRENATOH" IDENTIFIED EXTERNALLY;

C:Windowssystem32>set username
C:Windowssystem32>sqlplus /@rmlab001
SQL*Plus: Release - Production on Tue Jul 3 15:16:46 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release - 64bit Production
With the Partitioning and OLAP options

Why the Database is still looking for old AD user name? Does Oracle cache information about OS authenticated users?

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Security :: Active Directory Authentication For Oracle 10g Database Running On Solaris?

Jul 25, 2011

I have oracle 10g up and running on Solaris 10, from windows I would like to connect to sql plus through windows authentication, for that I have already made sure that remote_auth = true and have created user in oracle with OPS$. But still I cannot connect.

I have the same setup but with oracle on windows server, the os authentication from windows clients works just fine.

does oracle 10g on solaris 10 supports windows os authentication?

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Security :: Password In New Database

Mar 7, 2012

i have created a database on my pc and i have given a password at the time of installation , after the installation it is accessed successfully by the given password , but i observed that when i gave anything in password then it is also accessed by it and i don't have any other database of this same name.

And when i access it through another system then it is accessed only by its original password not by any other password.

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Security :: Password Of Users In 11g?

Jun 2, 2011

how to see password of users in 11g

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Security :: Automating Password Changes

Oct 25, 2011

I'm working for a credit card company and on a security project. We have oracle databases. Currently the passwords have to be changed every so often for key accounts for security purposes. Any tool to automate the process?

Any way to automate password changes on many accounts where only some people would be able to get the new password once it was changed.

Also, these IDs/passwords are sometimes used by applications to connect to the database so .ini files or some type of connection file would need to be changed automatically also.

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Security :: User Password Expired?

Nov 11, 2011

i am using a oracle server. And all my users password has been expired, is there any way to recover those users without failing my data.

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Security :: How To Hide Password In Script

Feb 6, 2011

I have following problem I have simple script in bash where I connect to db and launch simple select.


Problem is that i want to hide the password or encrypt. currently as you can see Iam using variable (value) where the password is keep. the problem is that, mentioned script is launched by many people which are using the same user (monitor). the variable is read from a file where user (monitor ) has access its in the same directory.

is there any way how to solve it ?

for e.g.
1. to put the file with password in another folder where the user (monitor) has no access to see the file.
2. to decrypt the password, but I have no clue how to do it .

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Security :: Password Aging Without Expiry

May 6, 2013

We have a requirement that the password of users never expire. But the user is notified when the password has not been changed for a long time. For example: If the user has not changed his password in 100days, he is to be notified that the password is old and he should consider changing it.

Is this possible directly through the password policy configurations? Or will it have to be handled using a separate procedure?

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Security :: Oracle Password Encryption

Oct 10, 2011

While searching for password encryption I came across these statements.

1.Password Encryption While Connecting. This protection is always in force, by default. Passwords are always automatically and transparently encrypted during network (client/server and server/server) connections, using a modified DES (Data Encryption Standard) or 3DES algorithm, before sending them across the network.

Confirm whether by default oracle encrypts the password before sending it to the database across the network even when the clear text password is used for connecting from a jdbc client.

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Security :: Logminer And Password Change?

Oct 15, 2010

Is it possible to track the password changes made by some user using the logminer with the archived logs?

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Security :: Modify Profile To Use Old Password?

Aug 23, 2010

I have a database in which a user xxxx is assigned a password 'bbbbb'.I want to change the password to the one which was used before which was 'aaaaa'.But when I change the password it was saying "Password cannot be Reused".So I checked in user profile and found out that password_reuse_time=unlimited and password_reuse_max=5.

So what I did was change the password 6 times to something else(Since it is 5) and then tried changing it to 'aaaaa' but still it is saying "Old password cannot be reused".

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Security :: How To Encrypt The Database Password

Aug 31, 2010

We currently hardcode the password inside our Java application to make the connection with the Database,this makes the password to be visible to all users who can read the application code. How can we encrypt the database password so we don't have to hardcode it into the application?

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Security :: Allowed Characters In 11g Password

Jan 8, 2013

where do I find a list or a description of allowed characters for a 10g password?

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Security :: DBA Users - Password Expiry?

Mar 17, 2013

I see the following in dba_users.

select username,account_status,EXPIRY_DATE from dba_users;

DEMO EXPIRED(GRACE) 2013-03-20 10:52:48

My question here is what if we dont reset the password by 20th of March.Will we not be able to reset the password once the password is expired ?

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Security :: Create User With Non Expiring Password

Jul 7, 2011

I want to create oracle user with non expiring password or i want to create one oracle user and set the password as non expiring.

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Security :: How To Use Secure External Password Store In Dot Net

Apr 24, 2011

oracle version oracle 10gr2
os: windows 64

from [URL] How to I use secure external password in net or c# dot net with reference to [URL]

I've created the wallet, but then how apply it in dot net context?

string connectionString = "Data Source=ARK2;User ID=scott; Password=tiger";

suppose I created a secure db connect string, what should be user id and password?

Is it user id="" password=""

or user_id ="/" password=""

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Security :: Set Exclusive To Remote Login Password?

Nov 28, 2011

i create password file in oracle 10g now i want to Set the EXCLUSIVE to REMOTE_LOGIN_PASSWORD initialization parameter. so what should i do.

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Security :: How To Generate User And Password Manually

Aug 27, 2012

i forget my system password and i can't login to my database,and its not letting me in as sys/manager as to generate new user and password....

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Security :: See Who Or When Password Was Changed For SYS Or SYSTEM Account?

Nov 10, 2010

Is there a way to see who or when password was changed for SYS or SYSTEM account?

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Security :: Encryption Method (password Starts With 06)?

Aug 29, 2013

Our Audit Company has given us a recommendation:"Old DB Link encrypted Passwords: The password of the Oracle databases links are encrypted using DES (password starts with 05). This encryption methord is known and users can decrypt the passwords using a simple SQL query. Please recreate the database links to use the new encryption method (password starts with 06)."What does it mean and how can we perform this recommendation?

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Security :: User Unable To Login After Password Reset

Dec 14, 2011

We have a production database on version. The application user was prompted to change the password after his password expired.

------------------------------ --------------------------------------------------------------------------- ---------- ----------
M500796 13-DEC-11 PM 100 28001

After changing the password he is not able to logon. The aud$ table does not show any occurrence of 1017, therefore it is not a question of Invalid password.


------------------------------------ ----------- ------------------------------
sec_case_sensitive_logon boolean FALSE

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