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[DOCS] Update X-Pack installation re TLS changes (elastic/x-pack-elasticsearch#2523) 

* [DOCS] Update xpack installation re TLS changes

* [DOCS] Clarify multi-node TLS requirement

Original commit: elastic/x-pack-elasticsearch@a961488fa1
This commit is contained in:
Lisa Cawley 2017-09-18 11:20:18 -07:00 committed by GitHub
parent 47214426e9
commit f71dc549a5
1 changed files with 9 additions and 3 deletions
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12
docs/en/installing-xes.asciidoc
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@ -139,11 +139,17 @@ the correct value for your environment, you may consider setting the value to
=============================================================================
. Configure passwords and SSL/TLS.
.. If you have more than one node or a single node that listens on an external
interface, you must configure SSL/TLS for inter-node communication. Single-node
instances that use a loopback interface do not have this requirement. For more
.. If you have a non-trial license and you want to use {security}, you must
configure SSL/TLS for internode-communication.
+
--
NOTE: This requirement applies to clusters with more than one node and to
clusters with a single node that listens on an external interface. Single-node
clusters that use a loopback interface do not have this requirement. For more
information, see
{xpack-ref}/encrypting-communications.html[Encrypting Communications].
--
... Generate node certificates. For example, you can use the `certgen` command
line tool to generate a certificate authority and signed certificates for your
nodes.