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FusionInsight HD 6.5.0 Administrator Guide 02

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Configuring SSL for Kafka to Encrypt Data During Transmission

Configuring SSL for Kafka to Encrypt Data During Transmission


Data between the Kafka client and the Broker is transmitted in plain text. The Kafka client may be deployed in an untrusted network, exposing the transmitting data to leakage and tampering risks.


The channels between components are not encrypted by default. You can set the following parameters to configure security channel encryption.

Page access: On FusionInsight Manager, choose Cluster > Service > Kafka > Configuration. Click All Configurations. Enter the parameter name in the search box.


Restart the corresponding service after configuration.

Table 14-7 describes configuration parameters relevant to Kafka data encryption during transmission.

Table 14-7 Parameters relevant to Kafka data encryption during transmission



Default Value


Specifies whether to enable the Secure Sockets Layer (SSL) protocol. If this parameter is set to true, services relevant to the SSL protocol are started during the Broker startup.


Specifies the communication protocol between Brokers. The communication protocol can be PLAINTEXT, SSL, SASL_PLAINTEXT, or SASL_SSL.


The SSL protocol can be configured for the server or client to encrypt transmission and communication only after ssl.mode.enable is set to true and Broker enables the SSL and SASL_SSL protocols.

For details about access protocols, see section "Protocol Description for Accessing Kafka" in Service Operation Guide > Kafka > Safety Instruction on Using Kafka.

For details about how to configure SSL encryption for the client, see section Security Mode > Kafka Development Guide > More Information > External Interfaces > SSL Encryption Function Used by a Client in the Application Development Guide.

Updated: 2019-05-17

Document ID: EDOC1100074522

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