How to configure MongoDB 3.x/4.x Authentication

1. How do I enable authentication in MongoDB config?
2. How do I authenticate in MongoDB?
3. What is the correct setup to setup Kerberos when starting MongoDB?
4. What is authentication database in MongoDB?
5. How do I enable authentication?
6. How does MongoDB connect to username and password?
7. How do I login as MongoDB?
8. How do I login as admin in MongoDB?
9. What does authentication fail mean?
10. What is the role of key distribution center?
11. What a client server authentication is used for the client requests from KDC for access to a specific asset?
12. Which of the following is a feature of Kerberos?

How do I enable authentication in MongoDB config?

Enable mandatory authentication in MongoDB:

1. If you are using the legacy MongoDB configuration format, add the auth key to /etc/mongod.conf : auth=true.
2. If you are using the current MongoDB configuration format, add the security.authorization key to /etc/mongod.conf : security: authorization: enabled.

How do I authenticate in MongoDB?

To authenticate using the mongo shell, either:

1. Use the mongo command-line authentication options ( --username , --password , and --authenticationDatabase ) when connecting to the mongod or mongos instance, or.
2. Connect first to the mongod or mongos instance, and then run the authenticate command or the db.

What is the correct setup to setup Kerberos when starting MongoDB?

Add Kerberos Principal(s) to MongoDB.

Add a Kerberos principal, <username>@<KERBEROS REALM> or <username>/<instance>@<KERBEROS REALM> , to MongoDB in the $external database. Specify the Kerberos realm in all uppercase. The $external database allows mongod to consult an external source (e.g. Kerberos) to authenticate.

What is authentication database in MongoDB?

In MongoDB Authentication Database is: “When adding a user, you create the user in a specific database. This database is the authentication database for the user. A user can have privileges across different databases; that is, a user's privileges are not limited to their authentication database.

How do I enable authentication?

You can access your privacy settings on the mobile app on both iOS and Android by clicking the hamburger icon on the upper-right corner and scrolling down to the bottom to find the “Settings & Privacy” menu. Tap “Settings” > “Security and Login” and scroll down to “Use two-factor authentication.”

How does MongoDB connect to username and password?

Short answer.

1. Start MongoDB without access control. mongod --dbpath /data/db.
2. Connect to the instance. mongo.
3. Create the user. ...
4. Stop the MongoDB instance and start it again with access control. ...
5. Connect and authenticate as the user.

How do I login as MongoDB?

To authenticate as a user, you must provide a username, password, and the authentication database associated with that user. Connect first to the mongod or mongos instance, and then run the authenticate command or the db. auth() method against the authentication database.

How do I login as admin in MongoDB?

Create Administrative User

Use the mongo client to connect to MongoDB. Connect to the "admin" database and create the administrative user. The new administrative user can now be used to log into a MongoDB database. It is worth noting that the -p parameter without a following argument will prompt for the password.

What does authentication fail mean?

An "Authentication Failed" error means the email server cannot verify that your email access is authorized. This is typically due to a mistyped password, but it can also be caused by an incorrect username, connecting to the wrong server, or blacklisting.

What is the role of key distribution center?

A key distribution center (KDC) is a component in an access control system responsible for servicing user requests to access resources by supplying access tickets and session keys. ... Using the ticket-granting-ticket, the user can access to the TGS and request a ticket to access a specific resource/system.

What a client server authentication is used for the client requests from KDC for access to a specific asset?

For a client-server authentication, the client requests from the KDC a "ticket" for access to a specific asset. KDC uses the client's secret and the server's secret to construct the ticket which allows the client and server to mutually authenticate each other, while keeping the secrets hidden.

Which of the following is a feature of Kerberos?

Which of the following is a feature of Kerberos? Answer is C. Kerberos uses a ticket-granting ticket server to create tickets for users. These tickets include user credentials for authentication.