Security :: Limit Sessions Per User In RAC
May 6, 2011
The following link states
Quote:
SESSIONS_PER_USER
Each instance maintains its own SESSIONS_PER_USER count. If SESSIONS_PER_USER is set to 1 for a user, the user can log on to the database more than once as long as each connection is from a different instance.
[URL].....
Of course the following is not working even when resource_limit is TRUE
ALTER PROFILE DEFAULT LIMIT SESSIONS_PER_USER 2;
How can I restrict a user to have limited sessions say 2 sessions across 4 node cluster? Presently I am checking the sessions logged in using sql+ and no connection pooling of front end etc. is involved.
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Jan 17, 2013
I'm using Toad 11.6, I can see about 156 sessions for the database in the session browser but when I do a select from v$session, only 40 sessions are showing up. I was able to look at all the sessions until yesterday. I tried several views like v$session, v$open_cursor etc, but only 60 sessions show up. I'm connected to the database using same user login yesterday and this morning.. May be this user had some privileges revoked last night??If so is it possible to limit sessions in these views (v$session etc) but it's strange that I can see them in the session browser in Toad. 'm very confident that there are 156 sessions in the database but it's just that I'm not able to see them in the v$session etc views. I need to troubleshoot a session but it is not showing up in any views.
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Apr 11, 2011
I have an assignment, i am suppose to disconnect all the users that are blocking sessions for over three hours. Below is my code which is not working
Create or replace procedure b_user IS
Declare
ssid number;
serial number;
Begin
[code]......
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Sep 10, 2012
I need to trace all sessions created from specific user and specific machine . Got some code from internet and customised .
CREATE OR REPLACE TRIGGER SYS.enable_trace_trigger
AFTER LOGON ON DATABASE
DECLARE
[Code]....
I have yet not created it on db .
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Mar 30, 2011
I'm sure you are all familiar with proxy users, they've been around since 9i: orcl> create user low identified by low;
User created.
orcl> create user high identified by high;
User created.
orcl> grant dba to high;
Grant succeeded.
orcl> alter user high grant connect through low;
User altered.
orcl> connect low[high]/low
Connected.
orcl> sho user
USER is "HIGH"
orcl>
Is there any way that I can find out which of the current sessions was proxied, and through what user? I know that from within the session I can query my userenv context and find out, but I can't see how to do it otherwise. It must be possible: the audit trail records both the real user and the proxy user.
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Jul 27, 2010
Provide me the script which would track all the users security violations like ... say for example i want to find which users logged in and what he did in database prospective.
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Mar 11, 2011
We are trying to implement the following security to our database.
As of now, the access rights are same for all the windows users logging into the Oracle application with the same Oracle user Id.
But now, we want to improve our security by granting different levels of rights to the users based on their Network Id even though they use the same Oracle User Id to log into the application.
We are not looking for the users to be identified externally.
(CREATE USER "OPS$ORACLE-BASE.COMTIM_HALL" IDENTIFIED EXTERNALLY;
GRANT CONNECT TO "OPS$ORACLE-BASE.COMTIM_HALL";
)
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Dec 21, 2010
We have the database user called c88888 and is locked yesterday. I came to this with the following query.
select * from dba_users where username like 'C88888';
Due to invalid password the user was locked. Can we track who hit the database with the wrong password?
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Sep 17, 2013
,in 11g,is there a way I could limit the number of open application actions by some os user ?We have an application where users are executing the same thing while the last is not yet finished,so we have several same things runninng at the same time executed by the same user.
Can we restrict that somehow through the database or that needs to be done through application?
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Sep 12, 2011
User A contains tables, views, LOB's, types, procedures, triggers, sequences, indexes, synonyms. User B wants to have read-only privilege on the objects of User A.
I can provide select on privilege on tables and views. How about providing read-only privileges to other objects?
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Aug 23, 2011
I have enabled Auditing in my oracle Database but I am not able to see any database for the operations of sys user or any other user in my "SYS.AUD$" and "SYS.FGA_LOG$" tables.
Value for the parameter "AUDIT_TRAIL" is set to "db,extended".
I am working as "SYS" user and I have shutdown and again startup the database but neither there was any information in both the tables nor I can see any files at the destination specified by "AUDIT_FILE_DEST".
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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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Aug 23, 2010
I am using Oracle Internet Directory to store user information and OID delegation administratibe services for user entry. An an admin I created a privileges group called admins. Users belonging to this group can create user, delete users, edit users, and edit groups. I created 'User A' and assigned him to the group. Now 'User A' creates 'User B' and assignes him to the group. However when 'User B' creates 'User C' he gets the error [LDAP: error code 50 - Insufficient Access Rights].
This happens even though 'User B' belongs to the admin group which has the privilege to create users.
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Oct 17, 2010
The application user owns the application schema which owns all the database objects in this schema. Now 50 of our developers need access to this application schema but giving away the password for the application user is risk as "Drop user application cascade" and wipe off all the objects. The option i have is to create 50 separate users with tablespace as application and grant all rights to application schema.
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Dec 5, 2012
To make users under one schema.
1) user should have access of all objects with limited privileges.
How can i make it under schema?
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Jan 1, 2013
As how do I query, as when was the last time or rather list of privileges changes done for a db user and what was the changes made?
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Dec 10, 2010
I am a java developer and would like to install data locally in my computer for testing purpose.
I login as sysdba in sqlplus, created a user.
In the installation documentation it said :
This user should have at least the following privileges.
CREATE TABLE, CREATE VIEW, CREATE PROCEDURE, CREATE PUBLIC SYNONYM, CREATE USER, CREATE ROLE, CREATE SEQUENCE, CREATE SESSION CREATE TRIGGER, AND CREATE TYPE.
If you choose, you can grant DBA role to this user.
Note: Coeus Schema owner should have CREATE USER and ALTER USER right explicitly granted to it, not through a role like DBA.
1)How to grant all this prvileges to that user ?
2)How this user will have CREATE USER and ALTER USER right explicitly granted to it, not through a role like DBA ?
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Nov 13, 2013
How to know what object/tab privileged a user have ? without connecting that user and using USER_TAB_PRIVS by connecting on that user I mean on DBA table .
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May 14, 2011
If the user has locked some row in the database how to find out the row id or the row which is locked by that particular USER.
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Jul 2, 2011
There is a user account called 'BALA'.How to create SQLs to monitor 'BALA' user access ?
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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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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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Sep 22, 2011
query to find the current user accessing the database
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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 sysdba...how to generate new user and password....
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Jun 10, 2011
I want to configure this
my end user open only one session
means one session per one user only
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Jul 13, 2011
I want to change the DEFAULT_ROLE column to NO for following user 'P10_DEMO'.
SQL> show user
USER is "BALA"
SQL>
SQL>
SQL> select name from v$database;
[code]...
how to do this ?
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Oct 23, 2012
An Oracle user account got locked, how do I check, which program or session was the cause for it? how to fetch this details along with details like timestamp, ip address, program name.
Wanted to know for Oracle 11 version running on Solaris machine.
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Oct 3, 2012
we have a prod application which use oracle database 11g as backend and .NET technology as front end . There is a user TESTUSER in database.
Issue is that we can login in to the application, but when we try to login in database through toad or Db visualizer then it gives an error of 'user account locked'.
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Dec 9, 2011
i want to trace user activities, I want to generate the file with SQL statement generated by particular user. I tried to look in to sys.AUD$ but all i get is logging logout and locations but no SQL Text.
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Jan 24, 2013
I have the following requirement and we are on R12.1.3 with Oracle 11gR2 database on a Linux R5 machine.
1) Sensitive data such as SSN and credit card needs to masked in the oracle seeded table like per_all_people_f etc.
2) This original data should not be visible either from the database (apps user) or via the application. They should both provide the decrypted data to the users.
3) There are a set of users that need point # 2 overridden. That is, they should be able to see the decrypted data using sql on the tables or via the application (front end).
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