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Mongo grant readwrite any db1/4/2024 ![]() Authorization in MongoDB (Role-Based Access Control) Each user, no matter which authentication database it was created in, can have privileges assigned across different databases. One might assume that users created in a given authentication database would have access privileges available only to that particular database, but this is not the case. To authenticate as a user, you must provide not only a username and password, but also the name of the authentication database associated with that user. This means that in MongoDB it’s possible to have multiple users with the same username ( sammy, for example) as long as they are created in different authentication databases. For each user, the database in which they were created is known as that user’s authentication database. In MongoDB users are not only identified by their usernames, but also by the database in which they were created. In contrast, MongoDB employs a more complex user directory structure. In such an approach, the user directory is flat, which means that for the entire database server each username must be unique. When connecting to a database with valid credentials, the user is authenticated and granted the level of access associated with that user. In many database management systems, users are identified with just a username and password pair. The following subsections expand on how MongoDB handles authentication and authorization. Authorization, on the other hand, involves setting rules for a given user or group of users to define what actions they can perform and which resources they can access. Authentication is the process of confirming whether a user or client is actually who they claim to be. To better understand access control in MongoDB, it can be helpful to first distinguish it from a different but closely related concept: authentication. How MongoDB Controls Access with Role-Based Access ControlĪccess control - also known as authorization - is a security technique that involves determining who can gain access to which resources. It will generally work with any MongoDB installation regardless of the operating system as long as authentication has been enabled. This tutorial concentrates on MongoDB itself, not the underlying operating system. Note: The example tutorials on how to configure your server, install and then secure MongoDB installation refer to Ubuntu 20.04. To secure MongoDB like this, follow our tutorial on How To Secure MongoDB on Ubuntu 20.04. Your server’s MongoDB instance secured by enabling authentication and creating an administrative user.To set this up, follow our tutorial on How to Install MongoDB on Ubuntu 20.04. You can prepare your server by following this initial server setup tutorial. A server with a regular, non-root user with sudo privileges and a firewall configured with UFW.In this tutorial, you’ll learn how RBAC works, the meaning and purpose of the principle of least privilege, as well as how to use MongoDB’s access privileges features in practice. MongoDB employs a robust mechanism to control access and privileges to a databases system known as Role-Based Access Control ( RBAC). Likewise, an application might require unique permissions that only allow it to access the parts of a database it needs to function. Often, different database users require different levels of access to certain parts of a database: some users might need only to read the data in specific databases, while others must be able to insert new documents or modify existing ones. Because of this, it’s relatively uncommon for any one user person to be solely responsible for handling all the activities related to managing a database. Modern database systems are capable of storing and processing huge amounts of data. The author selected the Open Internet/Free Speech Fund to receive a donation as part of the Write for DOnations program.
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