Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5664#discussion_r29608289
--- Diff: docs/security.md ---
@@ -4,36 +4,80 @@ displayTitle: Spark Security
title: Security
---
-Spark currently supports authentication via a shared secret.
Authentication can be configured to be on via the `spark.authenticate`
configuration parameter. This parameter controls whether the Spark
communication protocols do authentication using the shared secret. This
authentication is a basic handshake to make sure both sides have the same
shared secret and are allowed to communicate. If the shared secret is not
identical they will not be allowed to communicate. The shared secret is created
as follows:
-
-* For Spark on [YARN](running-on-yarn.html) deployments, configuring
`spark.authenticate` to `true` will automatically handle generating and
distributing the shared secret. Each application will use a unique shared
secret.
-* For other types of Spark deployments, the Spark parameter
`spark.authenticate.secret` should be configured on each of the nodes. This
secret will be used by all the Master/Workers and applications.
+Spark currently supports authentication via a shared secret.
Authentication can be configured to be
--- End diff --
I meant just to break the long lines you were modifying, not all of them.
:-( Sorry if I wasn't clear. Not a big deal IMO if it's too annoying to revert.
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