diff --git a/manifests/params.pp b/manifests/params.pp
index 71f2653..4188c3f 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -11,6 +11,7 @@
 # @param [string] pl_fw_port the port to use for service and firewall
 # @param [string] pl_source_range the source range for allowed clients
 # @param [boolean] pl_enable_fw whether to enable the firewall
+# @param [string] pl_listen_address which address should the service listen on
 # @summary Class contains all parameters for the postgresql_cd module.
 ##############################################################################
 class postgresql_cd::params (
@@ -28,6 +29,9 @@ class postgresql_cd::params (
   String $pl_source_range         = '0.0.0.0/0',
   Boolean $pl_enable_fw           = true,
 
+  # main config
+  String $pl_listen_address       = '*',
+
 ) {
   $fqdn                     = $facts['networking']['fqdn']
   $domain                   = $facts['networking']['domain']
diff --git a/templates/postgresql.conf.erb b/templates/postgresql.conf.erb
index 2f21664..39c151a 100644
--- a/templates/postgresql.conf.erb
+++ b/templates/postgresql.conf.erb
@@ -57,7 +57,7 @@
 
 # - Connection Settings -
 
-#listen_addresses = 'localhost'		# what IP address(es) to listen on;
+listen_addresses = '<%= @pl_listen_address %>'		# what IP address(es) to listen on;
 					# comma-separated list of addresses;
 					# defaults to 'localhost'; use '*' for all
 					# (change requires restart)
@@ -548,7 +548,7 @@ log_rotation_size = 0			# Automatic rotation of logfiles will
 					#   %q = stop here in non-session
 					#        processes
 					#   %% = '%'
-					# e.g. '<%u%%%d>'
+					# e.g. '<<%u%%%d>'
 #log_lock_waits = off			# log lock waits >= deadlock_timeout
 #log_parameter_max_length = -1		# when logging statements, limit logged
 					# bind-parameter values to N bytes;