diff --git a/README.md b/README.md
index 8f82905..7da0eb5 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@
 ## Features
 
 - install required binaries
-- manage configuration based on parameters
+- manage local custom configuration based on parameters, overriding the defaults
 - manage service
 - (optional) manage firewall
   
diff --git a/manifests/firewall/iptables.pp b/manifests/firewall/iptables.pp
index 83571b5..a43728e 100644
--- a/manifests/firewall/iptables.pp
+++ b/manifests/firewall/iptables.pp
@@ -9,9 +9,10 @@ class confdroid_ssh::firewall::iptables (
   if $ssh_use_firewall {
     firewall { "${ssh_fw_order}${ssh_fw_port} allow SSH on port ${ssh_fw_port}":
       ensure => 'present',
-      jump   => 'accept',
       proto  => 'tcp',
+      source => $ssh_source_range,
       dport  => $ssh_fw_port,
+      jump   => 'accept',
     }
   }
 }
diff --git a/manifests/main/dirs.pp b/manifests/main/dirs.pp
index 896ccf6..e3ae64a 100644
--- a/manifests/main/dirs.pp
+++ b/manifests/main/dirs.pp
@@ -18,4 +18,15 @@ class confdroid_ssh::main::dirs (
     seltype  => etc_t,
     seluser  => system_u,
   }
+
+  file { $sshd_custom_path:
+    ensure   => directory,
+    owner    => $sshd_user,
+    group    => $sshd_user,
+    mode     => '0755',
+    selrange => s0,
+    selrole  => object_r,
+    seltype  => etc_t,
+    seluser  => system_u,
+  }
 }
diff --git a/manifests/main/files.pp b/manifests/main/files.pp
index 8a0b862..f464f53 100644
--- a/manifests/main/files.pp
+++ b/manifests/main/files.pp
@@ -10,8 +10,8 @@ class confdroid_ssh::main::files (
   file { $sshd_config_path:
     ensure   => file,
     path     => $sshd_config_path,
-    owner    => 'root',
-    group    => 'root',
+    owner    => $sshd_user,
+    group    => $sshd_user,
     mode     => '0640',
     selrange => s0,
     selrole  => object_r,
@@ -19,4 +19,19 @@ class confdroid_ssh::main::files (
     seluser  => system_u,
     content  => template($sshd_config_erb),
   }
+
+  if $ssh_manage_config {
+    file { $sshd_custom_conf:
+      ensure   => file,
+      path     => $sshd_custom_conf,
+      owner    => $sshd_user,
+      group    => $sshd_user,
+      mode     => '0755',
+      selrange => s0,
+      selrole  => object_r,
+      seltype  => etc_t,
+      seluser  => system_u,
+      content  => template($sshd_custom_erb),
+    }
+  }
 }
diff --git a/manifests/params.pp b/manifests/params.pp
index 2eb098a..cf54a25 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -7,6 +7,8 @@
 # @param [Boolean] ssh_use_firewall whether to manage firewall settings
 # @param [String] ssh_fw_port port to use for SSHD and in fw
 # @param [String] ssh_fw_order order of firewall rule
+# @param [String] ssh_source_range source range for firewall rule
+# @param [Boolean] ssh_manage_config whether to manage the configuration
 ##############################################################################
 class confdroid_ssh::params (
 
@@ -17,6 +19,10 @@ class confdroid_ssh::params (
   Boolean $ssh_use_firewall  = true,
   String $ssh_fw_port        = '22',
   String $ssh_fw_order       = '50',
+  String $ssh_source_range   = '0.0.0.0/0',
+
+  # main configuration 
+  Boolean $ssh_manage_config = true,
 
 ) {
 # default facts
@@ -30,6 +36,9 @@ class confdroid_ssh::params (
   $ssh_etc_path       = '/etc/ssh'
   $sshd_service       = 'sshd'
   $sshd_config_path   = "${ssh_etc_path}/sshd_config"
+  $sshd_custom_path   = "${ssh_etc_path}/sshd_config.d"
+  $sshd_custom_conf   = "${sshd_custom_path}/10-custom.conf"
+  $sshd_custom_erb    = 'confdroid_ssh/ssh_custom_conf.erb'
   $sshd_config_erb    = 'confdroid_ssh/ssh_config.erb'
 
   # includes must be last
diff --git a/templates/ssh_custom_conf.erb b/templates/ssh_custom_conf.erb
new file mode 100644
index 0000000..a6d7920
--- /dev/null
+++ b/templates/ssh_custom_conf.erb
@@ -0,0 +1,7 @@
+###############################################################################    
+##### DO NOT EDIT THIS FILE MANUALLY                                          #
+##### This file is managed by Puppet. Any changes to this file will be        #
+##### overwritten. The file is built via parameters, so any changes should    #
+##### be made in the Puppet manifest parameters.                              #
+###############################################################################
+