From e18950ccd0dda746e684c80ddc90fb4c245ae629 Mon Sep 17 00:00:00 2001
From: Bryan Boreham <bjboreham@gmail.com>
Date: Thu, 25 Sep 2014 13:52:06 +0100
Subject: [PATCH] Add note in the example about opening port 6783

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 9188ef54..ad1f773c 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,9 @@ both about each other. Order doesn't matter here; weave automatically
 weave to connect to multiple peers by supplying multiple
 addresses. And we can [add peers dynamically](#dynamic-topologies).
 
+If there is a firewall between $HOST1 and $HOST2, you must open port 
+6783 for TCP and UDP. 
+
 Now that we've got everything set up, let's see whether our containers
 can talk to each other...