diff --git a/README.md b/README.md
index 0718e14..62e4207 100644
--- a/README.md
+++ b/README.md
@@ -577,8 +577,8 @@ request := oneandone.FirewallPolicyRequest {
     Rules: []oneandone.FirewallPolicyRule {
       {
         Protocol: protocol,
-        PortFrom: oneandone.Int2Pointer(port_from),
-        PortTo: oneandone.Int2Pointer(port_to),
+        Port: "80",
+		Action: "allow",        
         SourceIp: source_ip,
       },
     },
@@ -639,14 +639,13 @@ Passing an empty string in `fp_new_name` or `fp_new_description` skips updating
 fp_rules := []oneandone.FirewallPolicyRule {
     {
       Protocol: protocol1,
-      PortFrom: oneandone.Int2Pointer(port_from1),
-      PortTo: oneandone.Int2Pointer(port_to1),
+      Port: "80",      
       SourceIp: source_ip,
     },
     {
       Protocol: protocol2,
-      PortFrom: oneandone.Int2Pointer(port_from2),
-      PortTo: oneandone.Int2Pointer(port_to2),
+      Port: "4000-5000",
+	  Action: "allow",
     },
   }
 
@@ -2398,7 +2397,7 @@ func (api *API) GetVPNConfigFile(vpn_id string) (string, error)
 ```
 
 ```Go
-func (api *API) ListBaremetalModels(args ...interface{}) ([]BaremetalModel, error)
+func (api *API) ListBaremetalModels() ([]BaremetalModel, error)
 ```
 
 ```Go
diff --git a/baremetal_server_test.go b/baremetal_server_test.go
index 3cf8c3a..cb32078 100644
--- a/baremetal_server_test.go
+++ b/baremetal_server_test.go
@@ -62,7 +62,7 @@ func create_baremetal_test_server(power_on bool) (string, *Server, error) {
 	sap := get_baremetal_appliance(hdd_size)
 	baremetal_ser_app_id = sap.Id
 	//mp := get_default_mon_policy()
-	baremetalModels, err := api.ListBaremetalModels(1, 1, "", "BMC_L", "")
+	baremetalModels, err := api.ListBaremetalModels()
 	baremetalModel = baremetalModels[0]
 	baremetalModelId := baremetalModels[0].Id
 
diff --git a/firewallpolicies.go b/firewallpolicies.go
index 6d9f9a1..949e2b1 100644
--- a/firewallpolicies.go
+++ b/firewallpolicies.go
@@ -17,10 +17,13 @@ type FirewallPolicy struct {
 
 type FirewallPolicyRule struct {
 	idField
-	Protocol string `json:"protocol,omitempty"`
-	PortFrom *int   `json:"port_from,omitempty"`
-	PortTo   *int   `json:"port_to,omitempty"`
-	SourceIp string `json:"source,omitempty"`
+	Protocol    string `json:"protocol,omitempty"`
+	PortFrom    *int   `json:"port_from,omitempty"`
+	PortTo      *int   `json:"port_to,omitempty"`
+	Port        string `json:"port,omitempty"`
+	Action      string `json:"action,omitempty"`
+	Description string `json:"description,omitempty"`
+	SourceIp    string `json:"source,omitempty"`
 }
 
 type FirewallPolicyRequest struct {
diff --git a/firewallpolicies_test.go b/firewallpolicies_test.go
index 677dc86..162ea1a 100644
--- a/firewallpolicies_test.go
+++ b/firewallpolicies_test.go
@@ -28,8 +28,9 @@ func create_firewall_policy() *FirewallPolicy {
 		Rules: []FirewallPolicyRule{
 			{
 				Protocol: "UDP",
-				PortFrom: Int2Pointer(161),
-				PortTo:   Int2Pointer(162),
+				Port:"161",
+				Action: "allow",
+				Description:"test rules",
 			},
 		},
 	}
@@ -264,14 +265,14 @@ func TestAddFirewallPolicyRules(t *testing.T) {
 	rules := []FirewallPolicyRule{
 		{
 			Protocol: "TCP",
-			PortFrom: Int2Pointer(4567),
-			PortTo:   Int2Pointer(4567),
+			Port:"4567",
+			Action:"allow",
 			SourceIp: "0.0.0.0",
 		},
 		{
 			Protocol: "TCP/UDP",
-			PortFrom: Int2Pointer(143),
-			PortTo:   Int2Pointer(143),
+			Port:"143",
+			Action:"allow",
 		},
 		{
 			Protocol: "GRE", // PortFrom & PortTo are optional for GRE, ICMP and IPSEC protocols.
diff --git a/servers.go b/servers.go
index 32cc15f..19a9c5c 100644
--- a/servers.go
+++ b/servers.go
@@ -43,6 +43,11 @@ type ServerHdds struct {
 	Hdds []Hdd `json:"hdds,omitempty"`
 }
 
+type ServerPrivateNetwork struct {
+	Identity
+	ServerPrivateIp string `json:"server_ip,omitempty"`
+}
+
 type Hdd struct {
 	idField
 	Size   int    `json:"size,omitempty"`
@@ -151,7 +156,7 @@ type BaremetalHardware struct {
 	CoresPerProcessor int     `json:"cores_per_processor"`
 	Ram               float32 `json:"ram"`
 	Unit              string  `json:"unit,omitempty"`
-	Hdds              []Hdd   `json:"hdds,omitempty"`
+	Hdds              []Hdd     `json:"hdds,omitempty"`
 	ApiPtr
 }
 
@@ -822,13 +827,10 @@ func (api *API) CloneServer(server_id string, new_name string, datacenter_id str
 }
 
 // GET /servers/baremetal_models
-func (api *API) ListBaremetalModels(args ...interface{}) ([]BaremetalModel, error) {
-	url, err := processQueryParams(createUrl(api, serverPathSegment, baremetalSegment), args...)
-	if err != nil {
-		return nil, err
-	}
+func (api *API) ListBaremetalModels() ([]BaremetalModel, error) {
+	url := createUrl(api, serverPathSegment, baremetalSegment)
 	res := []BaremetalModel{}
-	err = api.Client.Get(url, &res, http.StatusOK)
+	err := api.Client.Get(url, &res, http.StatusOK)
 	if err != nil {
 		return nil, err
 	}
diff --git a/servers_test.go b/servers_test.go
index 572c5ec..5c91956 100644
--- a/servers_test.go
+++ b/servers_test.go
@@ -301,41 +301,9 @@ func TestListBaremetalModel(t *testing.T) {
 
 	baremetalModelId = res[0].Id
 
-	res, err = api.ListBaremetalModels(1, 2, "name", "", "id,name")
-
-	if err != nil {
-		t.Errorf("ListBaremetalModels with parameter options failed. Error: " + err.Error())
-		return
-	}
 	if len(res) == 0 {
 		t.Errorf("No baremetal model found.")
 	}
-	if len(res) > 2 {
-		t.Errorf("Wrong number of objects per page.")
-	}
-	if res[0].Hardware != nil {
-		t.Errorf("Filtering parameters failed.")
-	}
-	if res[0].Name == "" {
-		t.Errorf("Filtering parameters failed.")
-	}
-
-	// Test for error response
-	res, err = api.ListBaremetalModels(0, 0, true, "name", "")
-	if res != nil || err == nil {
-		t.Errorf("ListBaremetalModels failed to handle incorrect argument type.")
-	}
-
-	res, err = api.ListBaremetalModels(0, 0, "", "BMC", "")
-
-	if err != nil {
-		t.Errorf("ListBaremetalModels with parameter options failed. Error: " + err.Error())
-		return
-	}
-
-	if !strings.Contains(res[0].Name, "BMC") {
-		t.Errorf("Search parameter failed.")
-	}
 }
 
 func TestListFixedInstanceSizes(t *testing.T) {