From eefc86a928a9c8a5a95275a702564fa85b47d982 Mon Sep 17 00:00:00 2001
From: Jordan Sissel <jls@semicomplete.com>
Date: Fri, 19 Apr 2013 23:17:17 -0700
Subject: [PATCH] - document firewall things (LOGSTASH-476)

---
 lib/logstash/outputs/elasticsearch.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/logstash/outputs/elasticsearch.rb b/lib/logstash/outputs/elasticsearch.rb
index 75d19eb14..c6949529a 100644
--- a/lib/logstash/outputs/elasticsearch.rb
+++ b/lib/logstash/outputs/elasticsearch.rb
@@ -20,6 +20,11 @@ require "logstash/outputs/base"
 # elasticsearch's cluster health status.
 #
 # You can learn more about elasticsearch at <http://elasticsearch.org>
+#
+# ## Operational Notes
+#
+# Your firewalls will need to permit port 9300 in *both* directions (from
+# logstash to elasticsearch, and elasticsearch to logstash)
 class LogStash::Outputs::ElasticSearch < LogStash::Outputs::Base
 
   config_name "elasticsearch"