diff --git a/ZeroTier One/JoinNetworkViewController.swift b/ZeroTier One/JoinNetworkViewController.swift
index 92e30cae1..cef30d4ee 100644
--- a/ZeroTier One/JoinNetworkViewController.swift	
+++ b/ZeroTier One/JoinNetworkViewController.swift	
@@ -30,6 +30,10 @@ class JoinNetworkViewController: NSViewController, NSComboBoxDelegate, NSComboBo
     @IBOutlet var network: NSComboBox!
     @IBOutlet var joinButton: NSButton!
 
+    @IBOutlet var allowManagedCheckBox: NSButton!
+    @IBOutlet var allowGlobalCheckBox: NSButton!
+    @IBOutlet var allowDefaultCheckBox:NSButton!
+
     var values: [String] = [String]()
 
     override func viewDidLoad() {
@@ -61,8 +65,10 @@ class JoinNetworkViewController: NSViewController, NSComboBoxDelegate, NSComboBo
     @IBAction func onJoinClicked(sender: AnyObject?) {
         let networkString = network.stringValue
 
-        ServiceCom.joinNetwork(networkString)
-
+        ServiceCom.joinNetwork(networkString,
+                               allowManaged: allowManagedCheckBox.state == NSOnState,
+                               allowGlobal: allowGlobalCheckBox.state == NSOnState,
+                               allowDefault: allowDefaultCheckBox.state == NSOnState)
         network.stringValue = ""
 
 
diff --git a/ZeroTier One/JoinNetworkViewController.xib b/ZeroTier One/JoinNetworkViewController.xib
index 625f1a3e1..187af0088 100644
--- a/ZeroTier One/JoinNetworkViewController.xib	
+++ b/ZeroTier One/JoinNetworkViewController.xib	
@@ -6,6 +6,9 @@
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="JoinNetworkViewController" customModule="ZeroTier_One" customModuleProvider="target">
             <connections>
+                <outlet property="allowDefaultCheckBox" destination="rz3-0a-oNA" id="mYu-Wq-MHW"/>
+                <outlet property="allowGlobalCheckBox" destination="BH2-2O-Qeu" id="alx-Je-q9I"/>
+                <outlet property="allowManagedCheckBox" destination="OQS-QZ-zcY" id="7pz-vO-3IC"/>
                 <outlet property="joinButton" destination="BGy-vd-NQX" id="LGE-2G-7ND"/>
                 <outlet property="network" destination="BQy-d9-BNg" id="Yf7-BG-c84"/>
                 <outlet property="view" destination="Hz6-mo-xeY" id="0bl-1N-x8E"/>
@@ -14,11 +17,11 @@
         <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
         <customObject id="-3" userLabel="Application" customClass="NSObject"/>
         <customView id="Hz6-mo-xeY">
-            <rect key="frame" x="0.0" y="0.0" width="369" height="101"/>
+            <rect key="frame" x="0.0" y="0.0" width="397" height="123"/>
             <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
             <subviews>
                 <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="puT-Yk-CWC">
-                    <rect key="frame" x="18" y="61" width="107" height="17"/>
+                    <rect key="frame" x="18" y="83" width="107" height="17"/>
                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="Enter Network ID" id="oYH-gS-BX5">
                         <font key="font" metaFont="system"/>
                         <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -26,7 +29,7 @@
                     </textFieldCell>
                 </textField>
                 <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="BGy-vd-NQX">
-                    <rect key="frame" x="274" y="13" width="81" height="32"/>
+                    <rect key="frame" x="302" y="13" width="81" height="32"/>
                     <buttonCell key="cell" type="push" title="Join" bezelStyle="rounded" alignment="center" enabled="NO" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="6Rp-TA-XLl">
                         <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
                         <font key="font" metaFont="system"/>
@@ -36,15 +39,36 @@
                     </connections>
                 </button>
                 <comboBox verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="BQy-d9-BNg">
-                    <rect key="frame" x="131" y="57" width="221" height="26"/>
+                    <rect key="frame" x="131" y="79" width="249" height="26"/>
                     <comboBoxCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" drawsBackground="YES" usesDataSource="YES" numberOfVisibleItems="5" id="n71-4S-AaI">
                         <font key="font" metaFont="system"/>
                         <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
                         <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                     </comboBoxCell>
                 </comboBox>
+                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="OQS-QZ-zcY">
+                    <rect key="frame" x="18" y="59" width="115" height="18"/>
+                    <buttonCell key="cell" type="check" title="Allow Managed" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="QEN-MJ-xaj">
+                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                        <font key="font" metaFont="system"/>
+                    </buttonCell>
+                </button>
+                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="BH2-2O-Qeu">
+                    <rect key="frame" x="137" y="59" width="97" height="18"/>
+                    <buttonCell key="cell" type="check" title="Allow Global" bezelStyle="regularSquare" imagePosition="left" inset="2" id="epO-Uh-aHN">
+                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                        <font key="font" metaFont="system"/>
+                    </buttonCell>
+                </button>
+                <button fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="rz3-0a-oNA">
+                    <rect key="frame" x="238" y="59" width="141" height="18"/>
+                    <buttonCell key="cell" type="check" title="Allow Default Route" alternateTitle="Allow override of default route ‘full tunnel'" bezelStyle="regularSquare" imagePosition="left" inset="2" id="Lkd-XI-Kcu">
+                        <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                        <font key="font" metaFont="system"/>
+                    </buttonCell>
+                </button>
             </subviews>
-            <point key="canvasLocation" x="249.5" y="361.5"/>
+            <point key="canvasLocation" x="263.5" y="372.5"/>
         </customView>
     </objects>
 </document>
diff --git a/ZeroTier One/ServiceCom.swift b/ZeroTier One/ServiceCom.swift
index 23c194c27..4c920ad22 100644
--- a/ZeroTier One/ServiceCom.swift	
+++ b/ZeroTier One/ServiceCom.swift	
@@ -119,29 +119,44 @@ class ServiceCom: NSObject {
     }
 
 
-    static func joinNetwork(network: String) {
+    static func joinNetwork(network: String, allowManaged: Bool = true, allowGlobal: Bool = false, allowDefault: Bool = false) {
         let urlString = baseURL + "/network/\(network)?auth=\(ServiceCom.getKey())"
         let url = NSURL(string: urlString)
 
-        if let u = url {
-            let request = NSMutableURLRequest(URL: u)
-            request.HTTPMethod = "POST"
+        var jsonDict = [String: AnyObject]()
+        jsonDict["allowManaged"] = NSNumber(bool: allowManaged)
+        jsonDict["allowGlobal"] = NSNumber(bool: allowGlobal)
+        jsonDict["allowDefault"] = NSNumber(bool: allowDefault)
 
-            let session = NSURLSession.sharedSession()
-            let task = session.dataTaskWithRequest(request) { (data, response, error) in
-                let httpResponse = response as! NSHTTPURLResponse
-                let status = httpResponse.statusCode
+        do {
+            let json = try NSJSONSerialization.dataWithJSONObject(jsonDict, options: NSJSONWritingOptions())
 
-                if status == 200 {
-                    NSLog("join ok")
-                }
-                else {
-                    NSLog("join error: \(status)")
+            if let u = url {
+                let request = NSMutableURLRequest(URL: u)
+                request.HTTPMethod = "POST"
+                request.HTTPBody = json
+                request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+
+                let session = NSURLSession.sharedSession()
+                let task = session.dataTaskWithRequest(request) { (data, response, error) in
+                    let httpResponse = response as! NSHTTPURLResponse
+                    let status = httpResponse.statusCode
+
+                    if status == 200 {
+                        NSLog("join ok")
+                    }
+                    else {
+                        NSLog("join error: \(status)")
+                    }
                 }
+
+                task.resume()
             }
-
-            task.resume()
         }
+        catch {
+            NSLog("\(error)")
+        }
+
     }
 
     static func leaveNetwork(network: String) {