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Enable TLS for a Deployment

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  • Considerations
  • Prerequisite
  • Procedures

For Cloud Manager to monitor, deploy, or back up a MongoDB deployment that uses TLS, you must enable TLS for the Cloud Manager project.

A full description of Transport Layer Security, public key infrastructure, X.509 certificates, and Certificate Authorities exceeds the scope of this tutorial. This tutorial assumes prior knowledge of TLS and access to valid X.509 certificates.

Note

If you want to reset Authentication and TLS settings for your project, first unmanage any MongoDB deployments that Cloud Manager manages in your project.

Acquire a TLS certificate for each host serving a MongoDB process. This certificate must include the FQDN for the hostname of this MongoDB host. The FQDN must be the Subject Alternative Name of this host. You must install this TLS certificate on the MongoDB host.

Important

You must complete:

  1. Set Existing Deployments to Use TLS, then

  2. Enable TLS for the Project

before you click Review & Deploy.

If you wish to enable TLS for existing MongoDB deployments in your Cloud Manager project:

1
  1. If it is not already displayed, select the organization that contains your desired project from the Organizations menu in the navigation bar.

  2. If it's not already displayed, select your desired project from the Projects menu in the navigation bar.

  3. If the Deployment page is not already displayed, click Deployment in the sidebar.

    The Deployment page displays.

2

Click the Processes tab for your deployment.

The Processes page displays.

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  1. If it is not already displayed, select the organization that contains your desired project from the Organizations menu in the navigation bar.

  2. If it's not already displayed, select your desired project from the Projects menu in the navigation bar.

  3. If the Deployment page is not already displayed, click Deployment in the sidebar.

    The Deployment page displays.

2

Click the Security tab for your deployment.

The Security page displays.

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Do one of the following actions:

  • If this is your first time configuring TLS, authentication, or authorization settings for this project, click Get Started.

  • If you have already configured TLS authentication, or authorization settings for this project, click Edit.

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  1. On the Select Authentication Mechanisms screen, enable one or more Authentication Mechanisms.

    TLS works with all authentication mechanisms.

  2. Click Next.

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Field
Action
MongoDB Deployment Transport Layer Security (TLS)
Toggle this slider to ON.
TLS CA File Path

The TLS Certificate Authority file is a .pem-format certificate file that contains the root certificate chain from the Certificate Authority. The MongoDB Agent uses this same Certificate Authority file to connect to every item in your deployment.

The encrypted private key for the .pem certificate file must be in PKCS #1 format. The MongoDB Agent doesn't support the PKCS #8 format.

Type the file path to the TLS Certificate Authority file on every host running a MongoDB process:

  • Type the file path on all Linux hosts in the first box.

  • Type the file path on all Windows hosts in the second box.

This enables the net.tls.CAFile setting for the MongoDB processes in the project.

Click Validate to test that each host in your deployment has a TLS Certificate Authority at the paths you specified.

Client Certificate Mode

Select if client applications or MongoDB Agents must present a TLS certificate when connecting to a TLS-enabled MongoDB deployments. Each MongoDB deployment checks for certificates from these client hosts when they try to connect. If you choose to require the client TLS certificates, make sure they are valid.

Accepted values are:

Optional
Every client may present a valid TLS certificate when connecting to MongoDB deployments. MongoDB Agents might use TLS certificates if you don't set the mongod tlsMode to None.
Required
Every MongoDB deployment in this project starts with TLS-encrypted network connections. All Agents must use TLS to connect to any MongoDB deployment.
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  1. In the Agent Auth Mechanism list, click the same authentication mechanisms that you did for the project.

  2. Follow the procedure to configure the MongoDB Agent to use that authentication method:

Note

If you had TLS certificates for Legacy Agents, see What if I had TLS certificates for Legacy Backup or Monitoring Agents? at the end of this procedure for guidance.

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Cloud Manager displays your proposed changes.

  1. If you are satisfied, click Confirm & Deploy.

  2. If you want to make further configuration changes, click Cancel. Click Modify for the cluster to make additional changes.

  • If you updated to the MongoDB Agent from deployments that used Automation, the MongoDB Agent manages the TLS settings.

  • If you updated to the MongoDB Agent from deployments that did not use Automation but you had Backup Agents, Monitoring Agents, or both, you can set your Backup Agent and Monitoring Agent-specific settings during the Agent update or through the following procedure:

1
  1. If it is not already displayed, select the organization that contains your desired project from the Organizations menu in the navigation bar.

  2. If it's not already displayed, select your desired project from the Projects menu in the navigation bar.

  3. If the Deployment page is not already displayed, click Deployment in the sidebar.

    The Deployment page displays.

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Click the Agents tab for your deployment.

The Agents page displays.

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  1. Click Downloads & Settings, Custom Configurations, and then Edit Custom Configuration.

  2. Click .

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  1. Type the desired setting in the Setting box and its corresponding value in the Value box.

  2. To add more than one Setting, click the + Add Setting link. Another row appears.

  3. Repeat until all settings have been added.

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  1. Type the desired setting in the Setting box and the corresponding value in the Value box.

  2. To add more than one Setting, click the + Add Setting link. Another row appears.

  3. Repeat until all settings have been added.

You can click the to remove any settings that you have added.

If you are using Cloud Manager's monitoring only feature with a TLS-enabled cluster, you must complete the following steps to allow the MongoDB monitoring agent to connect to the TLS-enabled monitored cluster.

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  1. Navigate to the Deployment list view, and click on the to the right of your targeted deployment.

  2. Select Monitoring Settings > TLS & SSL.

  3. Toggle the modal to the ON state.

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