Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/2275#discussion_r72436325
--- Diff: flink-dist/src/main/resources/flink-conf.yaml ---
@@ -146,3 +146,18 @@ jobmanager.web.port: 8081
# directory (see above) before configuring the storageDir.
#
# recovery.zookeeper.storageDir: hdfs:///recovery
+
+
+#==============================================================================
+# Flink Cluster Security Configuration (optional configuration)
+#==============================================================================
+
+# Kerberos security for the connectors can be enabled by providing below
configurations
+# Security works in two modes - keytab/principal combination or using the
Kerberos token cache
+# If keytab and principal are not provided, token cache (manual kinit)
will be used
+# The security configurations can also be supplied through command line
arguments which takes precedence
+# over the configuration file entries
+# command line parameters flags: --keytab, --principal
+
+#security.keytab: /path/to/kerberos/keytab
+#security.principal: flink-user
--- End diff --
These also have to be added to the configuration page of the documentation.
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