diff --git a/manifests/sentinel.pp b/manifests/sentinel.pp
index fa9c3ed..6761811 100644
--- a/manifests/sentinel.pp
+++ b/manifests/sentinel.pp
@@ -39,6 +39,7 @@
 # Copyright 2013 Felipe Salum, unless otherwise noted.
 #
 class redis::sentinel (
+  $conf_bind                = '0.0.0.0',
   $conf_port                = '26379',
   $conf_daemonize           = 'yes',
   $sentinel_confs           = [],
@@ -47,6 +48,7 @@
   $service_restart          = true,
   $manage_upstart_scripts   = true,
   $package_name             = undef,
+  $package_ensure           = 'present',
 ) {
 
   include redis::sentinel_params
@@ -123,9 +125,7 @@
   exec { "cp ${conf_sentinel_orig} ${conf_sentinel}":
     path        => '/bin:/usr/bin:/sbin:/usr/sbin',
     refreshonly => true,
-    user        => redis,
-    group       => redis,
-    notify      => Service['sentinel'],
+    notify     => Service['sentinel'],
     require     => File[$conf_sentinel],
   }
 
diff --git a/templates/sentinel.conf.erb b/templates/sentinel.conf.erb
index a7f3d73..3f1503a 100644
--- a/templates/sentinel.conf.erb
+++ b/templates/sentinel.conf.erb
@@ -14,6 +14,14 @@ pidfile <%= @conf_pidfile_real %>
 port <%= @conf_port %>
 <%- end -%>
 
+# If you want you can bind a single interface, if the bind option is not
+# specified all the interfaces will listen for incoming connections.
+#
+# bind 127.0.0.1
+<%- if @conf_bind -%>
+bind <%= @conf_bind %>
+<%- end -%>
+
 # Specify the log file name. Also 'stdout' can be used to force
 # Redis to log on the standard output. Note that if you use standard
 # output for logging but daemonize, logs will be sent to /dev/null
@@ -134,7 +142,7 @@ sentinel <%= key %> <%= master %> <%= @sentinel_confs[master][key] %>
 # NOTIFICATION SCRIPT
 #
 # sentinel notification-script <master-name> <script-path>
-# 
+#
 # Call the specified notification script for any sentinel event that is
 # generated in the WARNING level (for instance -sdown, -odown, and so forth).
 # This script should notify the system administrator via email, SMS, or any
@@ -158,14 +166,14 @@ sentinel <%= key %> <%= master %> <%= @sentinel_confs[master][key] %>
 # When the master changed because of a failover a script can be called in
 # order to perform application-specific tasks to notify the clients that the
 # configuration has changed and the master is at a different address.
-# 
+#
 # The following arguments are passed to the script:
 #
 # <master-name> <role> <state> <from-ip> <from-port> <to-ip> <to-port>
 #
 # <state> is currently always "failover"
 # <role> is either "leader" or "observer"
-# 
+#
 # The arguments from-ip, from-port, to-ip, to-port are used to communicate
 # the old address of the master and the new address of the elected slave
 # (now a master).
@@ -175,4 +183,3 @@ sentinel <%= key %> <%= master %> <%= @sentinel_confs[master][key] %>
 # Example:
 #
 # sentinel client-reconfig-script mymaster /var/redis/reconfig.sh
-
diff --git a/tests/sentinel.pp b/tests/sentinel.pp
index 8f4ee53..0c207eb 100644
--- a/tests/sentinel.pp
+++ b/tests/sentinel.pp
@@ -18,6 +18,7 @@
   }
 
   class { 'redis::sentinel':
+    conf_bind      => '127.0.0.1',
     conf_port      => '26379',
     sentinel_confs => {
       'mymaster' => {