Github user trixpan commented on a diff in the pull request:
https://github.com/apache/nifi/pull/875#discussion_r75027919
--- Diff: nifi-docs/src/main/asciidoc/administration-guide.adoc ---
@@ -169,6 +169,81 @@ Now that the User Interface has been secured, we can
easily secure Site-to-Site
accomplished by setting the `nifi.remote.input.secure` and
`nifi.cluster.protocol.is.secure` properties, respectively, to `true`.
+TLS Generation Toolkit
+~~~~~~~~~~~~~~~~~~~~~~
+
+In order to facilitate the secure setup of NiFi, a tls-toolkit command
line utility is available to automatically generate the required keystores,
truststore, and relevant configuration files. This is especially useful for
securing multiple NiFi nodes, which can be a tedious and error-prone process.
+
+The tls-toolkit has two primary modes of operation:
+
+1. Standalone -- generates the certificate authority, keystores,
truststores, and nifi.properties files in one command.
+2. Client/Server mode -- uses a Certificate Authority Server that accepts
Certificate Signing Requests from clients, signs them, and sends the resulting
certificates back. Both client and server validate the otherâs identity
through a shared secret.
+
+Standalone
+^^^^^^^^^^
+Standalone mode can be invoked by running âtls-toolkit.sh standalone
-hâ which will print the usage information along with descriptions of options
that can be specified.
+
+The most common options to specify are:
+
+* -n (or --hostnames) a comma-separated list of hostnames that youâd
like to generate certificates for. It can be specified multiple times. Range
and instance patterns are supported. (see below for details)
+* -f (or --nifiPropertiesFile) a base nifi.properties file that the tool
will update for each host
+* -o (or --outputDirectory) the directory to use for the resulting
Certificate Authority files and NiFi configurations. A subdirectory will be
made for each host.
+
+Hostname Patterns:
+
+* Square brackets can be used in order to easily specify a range of
hostnames. Example: [01-20]
+* Parentheses can be used in order to specify that more than one NiFi
instance will run on the given host(s). Example: (5)
+
+Examples:
--- End diff --
+1 on @bbende comment
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