Clarify horizon allowed hosts setting

Horizon allowed hosts should name the IP addresses/
DNS names (short/long) the Horizon node is listening to.
Allowed hosts is used for header checks and is a security
mechanism.

Change-Id: I81c96357f969a1a436eecd35eb178579159bc719

diff --git a/puppet/services/horizon.yaml b/puppet/services/horizon.yaml
index c5d9681..bdb171a 100644 (file)
--- a/puppet/services/horizon.yaml
+++ b/puppet/services/horizon.yaml
@@ -20,7 +20,8 @@ parameters:
     type: json
   HorizonAllowedHosts:
     default: '*'
-    description: A list of IP/Hostname allowed to connect to horizon
+    description: A list of IP/Hostname for the server Horizonis running on.
+                 Used for header checks.
     type: comma_delimited_list
   NeutronMechanismDrivers:
     default: 'openvswitch'