Configure SSL for nodetool and hcd
Complete the following procedure to configure JMX for using nodetool and hcd with SSL.
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Make these changes in the |
Prerequisites
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For production environments, secure an entire cluster using |
Update the cassandra-env.sh file
To configure SSL for nodetool and hcd, do the following:
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Locate the
cassandra-env.shfile. The location of this file depends on the type of installation:-
Package installations:
/etc/hcd/cassandra/cassandra-env.sh -
Tarball installations:
<installation_location>/resources/cassandra/conf/cassandra-env.sh
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Open the
cassandra-env.shfile. -
nodetool: To configure the client settings for
nodetool, create a .cassandra/nodetool-ssl.propertiesfile in your home or client program directory on the node where you will run the command. Add the following settings, depending on whether you are running the command in a production or development environment.touch ~/.cassandra/nodetool-ssl.propertiesProduction environment:
-Dcom.sun.management.jmxremote.ssl=true -Dcom.sun.management.jmxremote.ssl.need.client.auth=false -Dcom.sun.management.jmxremote.registry.ssl=true -Djavax.net.ssl.keyStore=<path_to_keystore> -Djavax.net.ssl.keyStorePassword=<keystore-password> -Djavax.net.ssl.trustStore=<path_to_truststore> -Djavax.net.ssl.trustStorePassword=<truststore-password>Development environment:
-Dcom.sun.management.jmxremote.ssl.need.client.auth=true -Dcom.sun.management.jmxremote.registry.ssl=true -Djavax.net.ssl.keyStore=<path_to_keystore> -Djavax.net.ssl.keyStorePassword=<keystore-password> -Djavax.net.ssl.trustStore=<path_to_truststore> -Djavax.net.ssl.trustStorePassword=<truststore-password> -
Start the appropriate tool using the following options to establish an encrypted connection with username and password credentials, or an auth provider class for
CQL. If you provide a username option but not a password, you are prompted to enter one.nodetool
nodetool --ssl -u JMX_USERNAME -pw JMX_PASSWORD COMMANDReplace the following:
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JMX_USERNAME: The username for the JMX connection -
JMX_PASSWORD: The password for the JMX connection -
COMMAND: The command to run
hcd
hcd -a JMX_USERNAME -b JMX_PASSWORD nodetool COMMANDReplace the following:
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JMX_USERNAME: The username for the JMX connection -
JMX_PASSWORD: The password for the JMX connection -
COMMAND: The command to run
