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Configure TLS for OpenSearch Dashboards
By default, for ease of testing and getting started, OpenSearch Dashboards runs over HTTP. To enable TLS for HTTPS, update the following settings in opensearch_dashboards.yml
.
Setting | Description |
---|---|
server.ssl.enabled | Enables SSL communication between the OpenSearch Dashboards server and the user’s web browser. Set to true for HTTPS or false for HTTP. |
server.ssl.supportedProtocols | Specifies the array of supported TLS protocols. Possible values are TLSv1 , TLSv1.1 , and TLSv1.2 , TLSv1.3 . Default is ['TLSv1.1', 'TLSv1.2', and 'TLSv1.3'] . |
server.ssl.cipherSuites | Specifies the array of TLS cipher suites. Optional. |
server.ssl.certificate | If server.ssl.enabled is set to true , specifies the full path to a valid Privacy Enhanced Mail (PEM) server certificate for OpenSearch Dashboards. You can generate your own certificate or get one from a certificate authority (CA). |
server.ssl.key | If server.ssl.enabled is set to true , specifies the full path to the key for your server certificate, for example, /usr/share/opensearch-dashboards-1.0.0/config/my-client-cert-key.pem . You can generate your own certificate or get one from a CA. |
server.ssl.keyPassphrase | Sets the password for the key. Omit this setting if the key has no password. Optional. |
server.ssl.keystore.path | Uses a JKS (Java KeyStore) or PKCS12/PFX (Public-Key Cryptography Standards) file instead of a PEM certificate and key. |
server.ssl.keystore.password | Sets the password for the key store. Required. |
server.ssl.clientAuthentication | Specifies the TLS client authentication mode to use. Can be one of the following: none , optional , or required . If set to required , your web browser needs to send a valid client certificate signed by the CA configured in server.ssl.certificateAuthorities . Default is none . |
server.ssl.certificateAuthorities | Specifies the full path to one or more CA certificates in an array that issues the certificate used for client authentication. Required if server.ssl.clientAuthentication is set to optional or required . |
server.ssl.truststore.path | Uses a JKS or PKCS12/PFX trust store file instead of PEM CA certificates. |
server.ssl.truststore.password | Sets the password for the trust store. Required. |
opensearch.ssl.verificationMode | Establishes communication between OpenSearch and OpenSearch Dashboards. Valid values are full , certificate , or none . full is recommended if TLS is enabled, which enables hostname verification. certificate checks the certificate but not the hostname. none performs no checks (suitable for HTTP). Default is full . |
opensearch.ssl.certificateAuthorities | If opensearch.ssl.verificationMode is set to full or certificate , specifies the full path to one or more CA certificates in an array that comprises a trusted chain for an OpenSearch cluster. For example, you might need to include a root CA and an intermediate CA if you used the intermediate CA to issue your admin, client, and node certificates. |
opensearch.ssl.truststore.path | Uses a JKS or PKCS12/PFX trust store file instead of PEM CA certificates. |
opensearch.ssl.truststore.password | Sets the password for the trust store. Required. |
opensearch.ssl.alwaysPresentCertificate | Sends the client certificate to the OpenSearch cluster if set to true , which is necessary when mTLS is enabled in OpenSearch. Default is false . |
opensearch.ssl.certificate | If opensearch.ssl.alwaysPresentCertificate is set to true , specifies the full path to a valid client certificate for the OpenSearch cluster. You can generate your own certificate or get one from a CA. |
opensearch.ssl.key | If opensearch.ssl.alwaysPresentCertificate is set to true , specifies the full path to the key for the client certificate. You can generate your own certificate or get one from a CA. |
opensearch.ssl.keyPassphrase | Sets the password for the key. Omit this setting if the key has no password. Optional. |
opensearch.ssl.keystore.path | Uses a JKS or PKCS12/PFX key store file instead of a PEM certificate and key. |
opensearch.ssl.keystore.password | Sets the password for the key store. Required. |
opensearch_security.cookie.secure | If TLS is enabled for OpenSearch Dashboards, change this setting to true . For HTTP, set it to false . |
The following opensearch_dashboards.yml
configuration shows OpenSearch and OpenSearch Dashboards running on the same machine with the demo configuration:
server.ssl.enabled: true
server.ssl.certificate: /usr/share/opensearch-dashboards/config/client-cert.pem
server.ssl.key: /usr/share/opensearch-dashboards/config/client-cert-key.pem
opensearch.hosts: ["https://localhost:9200"]
opensearch.ssl.verificationMode: full
opensearch.ssl.certificateAuthorities: [ "/usr/share/opensearch-dashboards/config/root-ca.pem", "/usr/share/opensearch-dashboards/config/intermediate-ca.pem" ]
opensearch.username: "kibanaserver"
opensearch.password: "kibanaserver"
opensearch.requestHeadersAllowlist: [ authorization,securitytenant ]
opensearch_security.multitenancy.enabled: true
opensearch_security.multitenancy.tenants.preferred: ["Private", "Global"]
opensearch_security.readonly_mode.roles: ["kibana_read_only"]
opensearch_security.cookie.secure: true
If you use the Docker install option, you can pass a custom opensearch_dashboards.yml
file to the container. To learn more, see the Docker installation page.
You can connect to OpenSearch Dashboards at https://localhost:5601
after enabling these settings and starting the application. You might need to acknowledge a browser warning if your certificates are self-signed. To avoid this type of warning (or outright browser incompatibility), it is best practice to use certificates from a trusted CA.