wuchong commented on a change in pull request #14276:
URL: https://github.com/apache/flink/pull/14276#discussion_r537464883
##########
File path: docs/dev/table/connectors/kafka.md
##########
@@ -234,6 +234,27 @@ Connector Options
<td>String</td>
<td>The id of the consumer group for Kafka source, optional for Kafka
sink.</td>
</tr>
+ <tr>
+ <td><h5>properties.sasl.kerberos.service.name</h5></td>
+ <td>optional</td>
+ <td style="word-wrap: break-word;">(none)</td>
+ <td>String</td>
+ <td>The Kerberos principal name that Kafka runs as. </td>
+ </tr>
+ <tr>
+ <td><h5>properties.security.mechanism</h5></td>
+ <td>optional</td>
+ <td style="word-wrap: break-word;">(none)</td>
+ <td>String</td>
+ <td>SASL mechanism used for client connections. This may be any
mechanism for which a security provider is available.</td>
+ </tr>
+ <tr>
+ <td><h5>properties.security.protocol</h5></td>
+ <td>optional</td>
+ <td style="word-wrap: break-word;">(none)</td>
+ <td>String</td>
+ <td>Protocol used to communicate with brokers. Valid values are:
PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL.</td>
+ </tr>
Review comment:
```suggestion
<tr>
<td><h5>properties.*</h5></td>
<td>optional</td>
<td style="word-wrap: break-word;">(none)</td>
<td>String</td>
<td>
This can set and pass arbitrary Kafka configurations. Suffix names
must match the configuration key defined in <a
href="https://kafka.apache.org/documentation/#configuration";>Kafka
Configuration documentation</a>. Flink will remove the "properties." key prefix
and pass the transformed key and values to the underlying KafkaClient. For
example, you can disable automatic topic creation via
<code>'properties.allow.auto.create.topics' = 'false'</code>. But there are
some configurations that do not support to set, because Flink will override
them, e.g. <code>'key.deserializer'</code> and
<code>'value.deserializer'</code>.
</td>
</tr>
```
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