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As of module release version 4.0.4, the Cirrus Link modules are capable of reusing the existing Ignition web server provided SSL certificates to secure your MQTT communication. This is the recommended process to secure your MQTT communication using SSL/TLS.

Follow the links below to configure Ignition SSL and the MQTT modules:

• I am using MQTT modules version 4.0.4 or higher and
  • I need to obtain a security certificate from a Certificate Authority (CA)
  • I have a security certificate from a Certificate Authority (CA)
  • I need to create and use an Ignition generated Self-Signed Certificate
• I am using MQTT modules version pre 4.0.4