In the mongod shell, we add a user with admin privilege in the admin database. Initially, to enable access control our Support Engineers create an admin user. ![]() Now, let’s discuss how we authenticate a user in the MongoDB server. Our Dedicated Engineers with expertise over a decade enables auth in databases. Usually, this is because of improper auth methods. But, enabling access control in MongoDB databases often shows errors. Method to enable Authentication in MongoDBĪuthentication adds security over any system. As a result, the login attempt ends up in a failed status. This indicates that the auth method was not proper. Here, MongoDB could not identify the user. ![]() When a user tries to access the database using the auth user, it shows up the error as, Usually, MongoDB shows auth failed errors when it uses an improper auth method. This is to ensure security over the data stored. Users will have well-defined roles and it’s important to verify it before using the database. By enabling auth, MongoDB verifies the users to determine their access. Today, let’s discuss how our Support Engineers enable access control in MongoDB.Īuthentication is important for preventing unauthorized access. To restrict MongoDB we need to add an admin user and then enable access control.Īt Bobcares, we often get requests to fix MongoDB errors, as a part of our Server Management Services. Usually, MongoDB error auth failed, occurs when using an improper authentication method. Server = new MongoServerAddress(, Convert.ToInt32(ConfigurationManager.AppSettings))Īs you can see, mongoadmin user is getting authenticated to admin db first.Securing data is always a primary concern in database management. _database = _client.GetDatabase("clientdb") Īnd According to your code, below will work: Var mongoUrl = new = new MongoClient(mongoUrl) Get the mongoadmin user authenticated and then you can access clientdb.īelow is the sample using URI method: IMongoClient _client But mongoadmin user is authenticated to admin db. The issue is you are authenticating the mongoadmin user for clientdb. When the database component is not provided, the “admin” database is used. The database component is optional and is used to indicate which database to authenticate against. My Question is : Why c# code is not getting connecting to mongodb when authentication is applied on db.Ĭonnected using uri: nfig => BindIp 127.0.0.1, 172.17.103.17 (My system IP) I am facing this issue when mongo db is being protect by username and password otherwise not.Īltough MongoDb Compass is still able to connect to mongo db in both the cases. > : Command saslStart failed: Authentication failed. > : Unable to authenticate using sasl protocol mechanism SCRAM-SHA-1. HeartbeatException: \": An exception occurred while opening a connection to the server. IMongoCollection Table1 = db._database.GetCollection("users") Įrror. _database = _client.GetDatabase(ConfigurationManager.AppSettings) Server = new MongoServerAddress(ConfigurationManager.AppSettings, Convert.ToInt32(ConfigurationManager.AppSettings)) ReplicaSetName = ConfigurationManager.AppSettings, MongoCredential credential = MongoCredential.CreateCredential(ConfigurationManager.AppSettings, ConfigurationManager.AppSettings, ConfigurationManager.AppSettings) ĬonnectionMode = ConnectionMode.ReplicaSet, ![]() Public readonly IMongoDatabase _database MongoContext Class public class MongoContext The command used to create container is below:ĭocker run -d -name mongodb-container -p 2020:27017 -v /home/mongodb_data:/var/lib/mongodb/data -v /home/mongodb_log:/var/log/mongodb -v /home/nf:/etc/nf -e MONGO_INITDB_ROOT_USERNAME=mongoadmin -e MONGO_INITDB_ROOT_PASSWORD=secret mongo ![]() I have created a sample c# console application to connect to mongodb hosted on CentOS machine on a docker.
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