Security

TLS

You can configure the Imply Manager to automatically generate certificates for the agents and itself by providing a signing certificate and key. This allows for secure communication between the manager and agents, between agents, and between users and the system. The key and certificate should be provided to the manager to generate the keys for itself and the agents. The agent will get the certificate only to validate the generated certificates.

Enabling, disabling or updating your certificates will require a restart of any running clusters. You will be notified in the manager that a certificate change has been detected and prompted to restart. You should plan the changes around maintenance windows as it will require an outage.

This ca.crt should be trusted/installed in browsers connecting to the manager or Druid so that they can be validated and the https:// scheme used for all web requests.

TLS 1.0 and 1.1 are deprecated for use with any Imply user interface, including browser-based UIs, such as Pivot or the Imply Manager, or APIs. If you use a supported browser to access Imply user interfaces, you should not be impacted by this change, since they use later protocols exclusively. However, if you have tools or other types of client software that access Imply APIs, you should verify that they use TLS 1.2 or later.

Ports

When TLS is enabled Druid will use different ports by default as well as require the https:// schema for all web requests. By default these ports are the default port for the service increased by 200. Note that Pivot and the manager still run on the same port. See the table below for some examples:

Service Default Port TLS Port
Imply Manager 9097 9097
Pivot 9095 9095
Router 8888 9088
Overlord 8090 8290

Review the Druid Configuration reference for more defaults.

Generating a CA certificate and key

To generate a CA certificate and key you can use the following command:

openssl req -x509 -new -nodes -keyout ca.key -out ca.crt -days 365

When executing the command you will be prompted to fill in the information for the certificate. For example:

Country Name (2 letter code) []:US
State or Province Name (full name) []:California
Locality Name (eg, city) []:Burlingame
Organization Name (eg, company) []:Imply Data, Inc
Organizational Unit Name (eg, section) []:
Common Name (eg, fully qualified host name) []:Imply Manager CA
Email Address []:

These values are just an example and should be filled in with your own values. Once this is completed a new certificate and key that are valid for 1 year will be generated. If you want a longer or shorter expiry update the -days argument. For more information please consult the OpenSSL Documentation.

Trusting your CA

Mac OS

Double-clicking the ca.crt file will add it to your Keychain as a trusted certificate. For more information you can consult the Keychain Access User Guide.

Windows

To add the certificate on windows we will perform the following steps.

  1. Right-click the ca.crt and select Install Certificate. This will launch the Certificate Import Wizard.
  2. SelectLocal Machine for the Storage Location and select Next.
  3. Browse to Trusted Root Certification Authorities for where to place it.
  4. Click next and review the changes to be made before selecting finish.
  5. Restart your browser.

For managed environments the certificate can be installed as part of a Group Policy.

Authentication

Authentication can be enabled to allow the manager to communicate with the agents in an authenticated manner. It will also enable Druid and Pivot authentication to secure the entire deployment. This should be used in conjunction with TLS as the tokens are sent in plain text.

Druid

When authentication is enabled by providing a token to the manager and agents, it also enables Druid authentication by default. For more information on Druid authentication review https://druid.apache.org/docs/0.18.0/design/auth.html.

When Druid Authentication is enabled you can find the credentials in the manager under the API tab.

Pivot

When authentication is enabled by providing a token to the manager and agents, it also enables Pivot authentication by default. For more information on Pivot user modes review userMode configuration.

Pivot will be configured to use native-users. The default credentials can be found in the userMode configuration link above.

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