No security authentication mode is available. You only need to enter the IP address and port for connection.

Figure 1 PLAINTEXT

The SASL mechanism is used to connect to Kafka, and you need to configure SASL parameters.

Figure 2 SASL_PLAINTEXT

**Table 1** Parameter settings
Parameter	Description
SASL Mechanisms	SASL is used by client. The following four items are supported. Kafka server uses the GSSAPI mechanism by default. GSSAPI PLAIN SCRAM-SHA-256 SCRAM-SHA-512
Token Delegation	Whether an agency token is used for authentication. This option is available when SCRAM-SHA-256 or SCRAM-SHA-512 is selected for SASL Mechanisms.
Username	Username for logging in to the database
Password	Password for the username

SSL is used to encrypt the connection to Kafka. Related parameters need to be configured.

Figure 3 SSL

**Table 2** Parameter settings
Parameter	Description
Truststore Certificate	SSL certificate with the file name extension .jks.
Truststore Certificate Password	Password of the certificate
Endpoint Identification Algorithm	Endpoint identification algorithm for verifying the host name of the server using the server certificate. This parameter is optional. If this parameter is left blank, host name verification is disabled.
Mutual SSL Authentication	Mutual SSL Authentication
Keystore Certificate	If mutual SSL authentication is enabled, you need to upload the mutual SSL authentication certificate with the file name extension .jks.
Keystore Certificate Password	Password of the mutual SSL authentication certificate. This option is available if mutual SSL authentication is enabled.
Keystore Private Key Password	(Optional) Password of the private key in the keystore certificate.

If the SASL and SSL are used, configure SSL and SASL parameters. For details, see SASL_PLAINTEXT and SSL.

Figure 4 SASL_SSL

Kafka Authentication