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Tutorials > MongoDB > Security and authentication in MongoDB

Security and authentication in MongoDB

Security and authentication are important aspects of working with MongoDB to protect your data from unauthorized access. Here are some examples of security and authentication features in MongoDB:

  • Authentication: MongoDB provides authentication mechanisms to restrict access to databases and collections. There are several authentication methods available, including:

  • Username/Password authentication: This is the most commonly used authentication method. It requires users to provide a valid username and password to access a MongoDB database.

  • X.509 authentication: This method uses digital certificates to authenticate users.

  • LDAP authentication: This method uses a central LDAP server to authenticate users.

Here is an example of how to create a user with username/password authentication in MongoDB:

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use admin
db.createUser(
  {
    user: "user",
    pwd: "password",
    roles: [ { role: "readWrite", db: "mydb" } ]
  }
)

This will create a user with the username "user" and password "password", and give them read and write access to the "mydb" database.

  • Encryption: MongoDB provides encryption mechanisms to protect your data at rest and in transit. There are several encryption methods available, including:

  • Transport Layer Security (TLS): This is a standard protocol for encrypting network traffic.

  • Encrypted storage engine: MongoDB Enterprise Edition provides an encrypted storage engine that encrypts data at rest.

Here is an example of how to enable TLS in MongoDB:

yaml
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net:
  port: 27017
  tls:
    mode: requireTLS
    certificateKeyFile: /path/to/cert.pem

This will enable TLS and require all clients to connect using TLS.

  • Authorization: MongoDB provides authorization mechanisms to control access to databases and collections. There are several authorization methods available, including:

  • Role-based access control (RBAC): This method grants access based on predefined roles.

  • Custom access control: This method allows for fine-grained control over access to databases and collections.

Here is an example of how to create a role in MongoDB:

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use admin
db.createRole(
   {
      role: "readWrite",
      privileges: [
         { resource: { db: "mydb", collection: "" }, actions: [ "insert", "update", "remove" ] }
      ],
      roles: []
   }
)

This will create a role called "readWrite" with privileges to insert, update, and remove documents in the "mydb" database.

These are just a few examples of security and authentication features in MongoDB. It's important to carefully consider the needs of your application and use the appropriate security and authentication mechanisms to protect your data.



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