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Authentication Without Passwords → When using a connected user or current user database link, you can use an external authentication … source such as Kerberos to obtain end-to-end security. In end-to-end authentication, credentials are
Using Operating System Authentication → This section describes how to authenticate an administrator using the operating system.
Using Password File Authentication → This section describes how to authenticate an administrative user using password file authentication.
Database Administrator Authentication → secure authentication scheme. This section contains the following topics: Administrative Privileges … Selecting an Authentication Method for Database Administrators Using Operating System Authentication Using Password File Authentication
Authentication Through Database Links → Database links are either private or public, authenticated or non-authenticated. You create public links by specifying the PUBLIC keyword in the link creation statement. For example, you can issue: CREATE PUBLIC DATABASE LINK foo USING 'sales'; You create authenticated links by specifying the CONNECT TO clause, AUTHENTICATED BY clause, or both clauses together in the database link creation statement.
Connecting Using Operating System Authentication → Windows platform only, remote operating system authentication over a secure connection is supported
Connecting Using Password File Authentication → SYSOPER Note: Operating system authentication takes precedence over password file authentication
OSDBA and OSOPER → system authentication. These groups are generically referred to as OSDBA and OSOPER. The groups are
Local Connections and Secure Remote Connections → therefore not in the password file, you can use operating system authentication. On most operating … systems, authentication for database administrators involves placing the operating system username
SYSDBA and SYSOPER → are authorized to use these privileges depends upon the method of authentication that you use. When
Preparing to Use Password File Authentication → To enable authentication of an administrative user using password file authentication you must do
Connecting with Administrative Privileges: Example → Operating System Authentication\" \"Using Password File Authentication\"
Nonsecure Remote Connections → authenticated by a password file. When using password file authentication, the database uses a password … . This form of authentication is discussed in \"Using Password File Authentication\".
Selecting an Authentication Method for Database Administrators → normal data dictionary authentication, the following methods are available for authenticating database … administrators with the SYSDBA or SYSOPER privilege: Operating system (OS) authentication A password … file Strong authentication with a network-based authentication service, such as Oracle Internet … remainder
Administrative Privileges → Administrative privileges that are required for an administrator to perform basic database operations are granted through two special system privileges, SYSDBA and SYSOPER. You must have one of these privileges granted to you, depending upon the level of authorization you require. Note: The SYSDBA and SYSOPER system privileges allow access to a database instance even when the database is not open.
Preparing to Use Operating System Authentication → To enable operating system authentication of an administrative user: Create an operating system
Authentication → Use this page to enter authentication information that applies to all data sources. Note: The data … source specific authentication takes precedence over this global authentication. HTTP Authentication … Oracle Ultra Search supports both basic and digest authentication. Specify the user name and
About Authentication → Authentication means verifying the identity of someone (a user, device, or other entity) who wants … for further interactions. Authentication also enables accountability by making it possible to link … access and actions to specific identities. After authentication, authorization processes can allow or … and nondatabase users
Step 3: Choose a Database Administrator Authentication Method → password file With operating system authentication In this step, you decide on an authentication … authentication, ensure that you log in to the host computer with a user account that is a member of the … Privileges\" \"Database Administrator Authentication\" for information about password files and operating system
Creating a User Who Is Authenticated by the Database → The following SQL statement creates a user who is identified and authenticated by Oracle Database. User sebastian must specify the assigned password whenever he connects to Oracle Database. CREATE USER sebastian IDENTIFIED BY password;
Using the Operating System to Authenticate Users → / With control over user authentication centralized in the operating system, Oracle Database need not … information about authentication, operating systems, distributed database concepts, and distributed data
Configuring Global User Authentication and Authorization → : \"Strong Authentication and Centralized Management for Database Administrators\" if you want to centralize the management of SYSDBA or SYSOPER access
About External Authentication → When you use external authentication for user accounts, Oracle Database maintains the user account … , but an external service performs the password administration and user authentication. This external … authentication, your database relies on the underlying operating system or network authentication service
Using Client Identifiers to Identify Application Users Not Known to the Database → Oracle Database provides the CLIENT_IDENTIFIER attribute of the built-in USERENV application context namespace for application users. These users are known to an application but unknown to the database. The CLIENT_IDENTIFIER attribute can capture any value that the application uses for identification or access control, and passes it to the database. The CLIENT_IDENTIFIER attribute is supported in
3 Configuring Authentication → This chapter contains: About Authentication Configuring Password Protection Authenticating Database … Users Using the Network to Authenticate Users Configuring Global User Authentication and … Authentication and Authorization Preserving User Identity in Multitiered Environments Finding Information About User Authentication
Table 3-1 Password-Specific Settings in the Default Profile → \"Configuring the Maximum Number of Authentication Attempts\" for more information about this parameter. See
Using Multitier Authentication and Authorization → Interface to create lightweight sessions, which enable database password authentication for each
Finding Information About User Authentication → Table 3-3 lists data dictionary views that contain information about user authentication. For
Configuring Password Protection → This section contains: What Are the Oracle Database Built-in Password Protections? Minimum Requirements for Passwords Using a Password Management Policy Ensuring Against Password Security Threats by Using the SHA-1 Hashing Algorithm Managing the Secure External Password Store for Password Credentials See also \"Guidelines for Securing Passwords\" for advice on securing passwords. If you want to configure
What Are the Oracle Database Built-in Password Protections? → Oracle Database provides a set of built-in password protections designed to protect your users' passwords. These password protections are as follows: Password encryption. Oracle Database automatically and transparently encrypts passwords during network (client-to-server and server-to-server) connections, using Advanced Encryption Standard (AES) before sending them across the network. Password complexity
Minimum Requirements for Passwords → Passwords must not exceed 30 characters. For greater security, however, follow the additional guidelines described in \"Guidelines for Securing Passwords\". To create passwords for users, you can use the CREATE USER or ALTER USER SQL statements. SQL statements that accept the IDENTIFIED BY clause also enable you to create passwords. Example 3-1 shows several SQL statements that create passwords with
Using a Password Management Policy → This section contains: About Managing Passwords Finding User Accounts That Have Default Passwords Configuring Password Settings in the Default Profile Automatically Locking a User Account After a Failed Login Controlling Password Aging and Expiration Password Change Life Cycle Controlling User Ability to Reuse Previous Passwords Enforcing Password Complexity Verification Enabling or Disabling Password
Table 3-2 Parameters Controlling Reuse of a Previous Password → current, correct password before the authentication can proceed. If the user has an Oracle Active Data … Guard configuration, where there is a primary and a stand-by database, and the authentication attempt
Strong Authentication and Centralized Management for Database Administrators → Strong authentication lets you centrally control SYSDBA and SYSOPER access to multiple databases … . Consider using this type of authentication for database administration for the following situations … Authentication for Administrative Users Configuring Kerberos Authentication for Administrative Users … Configuring
Authenticating Database Administrators by Using the Operating System → Operating system authentication for a database administrator typically involves establishing a … Windows native authentication. If these users work with Oracle Database using their domain accounts … : Your Oracle Database operating system-specific documentation for information about configuring operating system authentication of database
Creating a User Who Is Authorized by a Directory Service → You have the following options to specify users who are authorized by a directory service: Creating a Global User Who Has a Private Schema Creating Multiple Enterprise Users Who Share Schemas Creating a Global User Who Has a Private Schema The following statement shows the creation of a global user with a private schema, authenticated by SSL, and authorized by the enterprise directory service: CREATE
Advantages of Global Authentication and Global Authorization → Some advantages of global user authentication and authorization are as follows: Provides strong … authentication using SSL, Kerberos, or Windows native authentication. Enables centralized management of … . Because global user authentication and authorization provide password-based access, you can migrate … Utility)
Authentication User Logins Using Network Authentication → Oracle Advanced Security performs network authentication, which you can configure to use a third … authentication service, then the REMOTE_OS_AUTHENT parameter setting is irrelevant, because Oracle Advanced Security allows only secure connections.
Authenticating Database Administrators on Windows Systems → Windows native authentication. If these users work with Oracle Database using their domain accounts
Authentication Using Third-Party Services → You need to use third-party network authentication services if you want to authenticate Oracle … RADIUS (Remote Authentication Dial-In User Service), and directory-based services, as described in … the following sections. If network authentication services are available to you, then Oracle … Database can accept authentication