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This page describes the security protocol used by an on-premises Controller, and how you can modify it. 

Default Security Protocol

The Controller secures connections using TLSv1.2/TLSv1.3 by default. However, you can change the security protocols used by the Controller if needed. For instance, you need to change the protocol if you are using agents that don't support TLSv1.2/TLSv1.3. These agents include:

  • Java Agent version 3.8.1 or earlier (see Agent and Controller Compatibility for complete SSL compatibility information)
  • .NET Agent running on .NET Framework 4.5 or earlier

If upgrading the agents or .NET framework is not possible, you will need to enable TLSv1 and SSL3 on the Controller. See, Enable TLS for a Controller.

These changes require a restart of the Controller application server, which results in a brief service downtime. You may wish to apply these change when the downtime will have the least impact. 

To maintain a secure environment, APIs that are downstream of the Controller should also use TLS. If SSL3 is required, you can enable it. See the Oracle JDK 8 documentation.

Enable TLS for a Controller

  1. Open a browser and navigate to the Enterprise Console GUI: 

    http(s)://<hostname>:<port>

    9191 is the default port.

  2. Navigate to Configurations > Controller Settings > Appserver Configurations.

  3. In the JVM options, go to the SSL Context Config box and update the following tags:

    <Call name="setincludeProtocols'
	<Arg>
		<Array type="String">
			<Item>TLSv1.2</Item>
			<Item>TLSv1.3</Item>
		 	<Item>TLSv1</Item>
		</Array>
	<Arg>
<Call>
    CODE
  4. Click Save.
You do not need to restart the Controller application server since the configuration change job automatically does so for you.

Default TLS Cipher Suites

This sections lists the TLS ciphers that are enabled by default.

  • TLS_AES_128_CCM_8_SHA256
  • TLS_AES_128_CCM_SHA256
  • TLS_AES_128_GCM_SHA256
  • TLS_AES_256_GCM_SHA384
  • TLS_CHACHA20_POLY1305_SHA256
  • TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
  • TLS_DHE_DSS_WITH_AES_128_CBC_SHA
  • TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
  • TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
  • TLS_DHE_DSS_WITH_AES_256_CBC_SHA
  • TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
  • TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
  • TLS_DHE_RSA_WITH_AES_128_CBC_SHA
  • TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  • TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
  • TLS_DHE_RSA_WITH_AES_256_CBC_SHA
  • TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  • TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
  • TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  • TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  • TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
  • TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  • TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
  • TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
  • TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
  • TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
  • TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
  • TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
  • TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
  • TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
  • TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
  • TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
  • TLS_EMPTY_RENEGOTIATION_INFO_SCSV
  • TLS_RSA_WITH_AES_128_CBC_SHA256
  • TLS_RSA_WITH_AES_128_CBC_SHA
  • TLS_RSA_WITH_AES_128_GCM_SHA256
  • TLS_RSA_WITH_AES_256_CBC_SHA256
  • TLS_RSA_WITH_AES_256_CBC_SHA
  • TLS_RSA_WITH_AES_256_GCM_SHA384
  • TLS_AES_128_CCM_8_SHA256
  • TLS_AES_128_CCM_SHA256
  • TLS_AES_128_GCM_SHA256
  • TLS_AES_256_GCM_SHA384
  • TLS_CHACHA20_POLY1305_SHA256