diff --git a/manifests/object/tweaking.pp b/manifests/object/tweaking.pp
index c2c527b1..17f54f42 100644
--- a/manifests/object/tweaking.pp
+++ b/manifests/object/tweaking.pp
@@ -19,22 +19,38 @@ class cloud::object::tweaking {
   kmod::load { 'ip_conntrack': }
 
   $swift_tuning = {
-    'net.ipv4.tcp_tw_recycle'                                => { value => 1 },
-    'net.ipv4.tcp_tw_reuse'                                  => { value => 1 },
-    'net.ipv4.tcp_syncookies'                                => { value => 0 },
-    'net.ipv4.netfilter.ip_conntrack_max'                    => { value => 524288 },
-    'net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait'  => { value => 2 },
-    'net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait' => { value => 2 },
-    'net.ipv4.ip_local_port_range'                           => { value => "1024\t65000" },
-    'net.core.netdev_max_backlog'                            => { value => 300000 },
-    'net.ipv4.tcp_sack'                                      => { value => 0 },
+    'net.ipv4.tcp_tw_recycle'                           => { value => 1 },
+    'net.ipv4.tcp_tw_reuse'                             => { value => 1 },
+    'net.ipv4.tcp_syncookies'                           => { value => 0 },
+    'net.ipv4.ip_local_port_range'                      => { value => "1024\t65000" },
+    'net.core.netdev_max_backlog'                       => { value => 300000 },
+    'net.ipv4.tcp_sack'                                 => { value => 0 },
+  }
+
+  case $::osfamily {
+    'Debian' : {
+      $debian_swift_tuning = {
+        'net.ipv4.netfilter.ip_conntrack_max'                    => { value => 524288 },
+        'net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait'  => { value => 2 },
+        'net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait' => { value => 2 },
+      }
+      $swift_tuning_real = merge($swift_tuning, $debian_swift_tuning)
+    }
+    default : {
+      $redhat_swift_tuning = {
+        'net.netfilter.nf_conntrack_max'                    => { value => 524288 },
+        'net.netfilter.nf_conntrack_tcp_timeout_time_wait'  => { value => 2 },
+        'net.netfilter.nf_conntrack_tcp_timeout_close_wait' => { value => 2 },
+      }
+      $swift_tuning_real = merge($swift_tuning, $redhat_swift_tuning)
+    }
   }
 
   $require = {
     require => Kmod::Load['ip_conntrack']
   }
 
-  create_resources(sysctl::value,$swift_tuning,$require)
+  create_resources(sysctl::value,$swift_tuning_real,$require)
 
   file { '/var/log/swift':
     ensure => directory,