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-rw-r--r--erts/doc/src/erl_dist_protocol.xml11
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diff --git a/erts/doc/src/erl_dist_protocol.xml b/erts/doc/src/erl_dist_protocol.xml
index ee74983730..8391408a2e 100644
--- a/erts/doc/src/erl_dist_protocol.xml
+++ b/erts/doc/src/erl_dist_protocol.xml
@@ -70,6 +70,17 @@
<p>The integers in all multibyte fields are in big-endian order.</p>
+ <warning>
+ <p>
+ The Erlang Distribution protocol is not by itself secure and does not
+ aim to be so. In order to get secure distribution the distributed nodes
+ should be configured to use distribution over tls.
+ See the <seealso marker="ssl:ssl_distribution">
+ Using SSL for Erlang Distribution</seealso> User's Guide
+ for details on how to setup a secure distributed node.
+ </p>
+ </warning>
+
<section>
<title>EPMD Protocol</title>
<p>The requests served by the EPMD are summarized in the following