diff --git a/docs/generators/app.md b/docs/generators/app.md
index 95cb5cc4b..df966aa57 100644
--- a/docs/generators/app.md
+++ b/docs/generators/app.md
@@ -11,6 +11,9 @@ Options:
         --skip-cache    # Do not remember prompt answers                        Default: false
         --skip-install  # Do not install dependencies                           Default: false
         --app-suffix    # Allow a custom suffix to be added to the module name  Default: App
+        --dev-port      # Port to use for the development HTTP server           Default: 9000
+        --debug-port    # Port to use for the server debugger                   Default: 5858
+        --prod-port     # Port to use for the production HTTP Server            Default: 8080
 
 Arguments:
   name    Type: String  Required: false
diff --git a/src/generators/app/index.js b/src/generators/app/index.js
index c237dab69..a6d2c5543 100644
--- a/src/generators/app/index.js
+++ b/src/generators/app/index.js
@@ -31,6 +31,24 @@ export class Generator extends Base {
       type: String,
       defaults: 'App'
     });
+
+    this.option('dev-port', {
+      desc: 'Port to use for the development HTTP server',
+      type: String,
+      defaults: '9000'
+    });
+
+    this.option('debug-port', {
+      desc: 'Port to use for the server debugger',
+      type: String,
+      defaults: '5858'
+    });
+
+    this.option('prod-port', {
+      desc: 'Port to use for the production HTTP Server',
+      type: String,
+      defaults: '8080'
+    });
   }
 
   get initializing() {
@@ -90,9 +108,9 @@ export class Generator extends Base {
 
               this.scriptExt = this.filters.ts ? 'ts' : 'js';
               this.templateExt = this.filters.jade ? 'jade' : 'html';
-              this.styleExt = this.filters.sass ? 'scss' : 
-                this.filters.less ? 'less' : 
-                this.filters.stylus ? 'styl' : 
+              this.styleExt = this.filters.sass ? 'scss' :
+                this.filters.less ? 'less' :
+                this.filters.stylus ? 'styl' :
                 'css';
             } else {
               insight.track('skipConfig', 'false');
@@ -103,6 +121,11 @@ export class Generator extends Base {
             }
           });
         }
+      },
+      assignPorts() {
+        this.devPort = this.options['dev-port'];
+        this.debugPort = this.options['debug-port'];
+        this.prodPort = this.options['prod-port'];
       }
     };
   }
diff --git a/templates/app/Gruntfile(grunt).js b/templates/app/Gruntfile(grunt).js
index cf335b970..1a280fe86 100644
--- a/templates/app/Gruntfile(grunt).js
+++ b/templates/app/Gruntfile(grunt).js
@@ -36,7 +36,7 @@ module.exports = function(grunt) {
     },
     express: {
       options: {
-        port: process.env.PORT || 9000
+        port: process.env.PORT || <%= devPort %>
       },
       dev: {
         options: {
@@ -239,7 +239,7 @@ module.exports = function(grunt) {
         options: {
           nodeArgs: ['--debug-brk'],
           env: {
-            PORT: process.env.PORT || 9000
+            PORT: process.env.PORT || <%= devPort %>
           },
           callback: function(nodemon) {
             nodemon.on('log', function(event) {
@@ -249,7 +249,7 @@ module.exports = function(grunt) {
             // opens browser on initial server start
             nodemon.on('config:update', function() {
               setTimeout(function() {
-                require('open')('http://localhost:8080/debug?port=5858');
+                require('open')('http://localhost:<%= devPort %>/debug?port=<%= debugPort %>');
               }, 500);
             });
           }
diff --git a/templates/app/gulpfile.babel(gulp).js b/templates/app/gulpfile.babel(gulp).js
index 16582400f..c732a72e7 100644
--- a/templates/app/gulpfile.babel(gulp).js
+++ b/templates/app/gulpfile.babel(gulp).js
@@ -247,7 +247,7 @@ gulp.task('inject:tsconfig', () => {
         `${clientPath}/**/!(*.spec|*.mock).ts`,
         `!${clientPath}/bower_components/**/*`,
         `typings/main.d.ts`
-    ], 
+    ],
     './tsconfig.client.json');
 });
 
@@ -256,7 +256,7 @@ gulp.task('inject:tsconfigTest', () => {
         `${clientPath}/**/+(*.spec|*.mock).ts`,
         `!${clientPath}/bower_components/**/*`,
         `typings/main.d.ts`
-    ], 
+    ],
     './tsconfig.client.test.json');
 });<% } %>
 
@@ -401,13 +401,15 @@ gulp.task('start:server:prod', () => {
 
 gulp.task('start:inspector', () => {
     gulp.src([])
-        .pipe(plugins.nodeInspector());
+        .pipe(plugins.nodeInspector({
+          debugPort: <%= debugPort %>
+        }));
 });
 
 gulp.task('start:server:debug', () => {
     process.env.NODE_ENV = process.env.NODE_ENV || 'development';
-        config = require(`./${serverPath}/config/environment`);
-    nodemon(`-w ${serverPath} --debug-brk ${serverPath}`)
+    config = require(`./${serverPath}/config/environment`);
+    nodemon(`-w ${serverPath} --debug=<%= debugPort %> --debug-brk ${serverPath}`)
         .on('log', onServerLog);
 });
 
diff --git a/templates/app/karma.conf.js b/templates/app/karma.conf.js
index 35190d50e..9b19748c8 100644
--- a/templates/app/karma.conf.js
+++ b/templates/app/karma.conf.js
@@ -61,7 +61,7 @@ module.exports = function(config) {
     exclude: [],
 
     // web server port
-    port: 8080,
+    port: <%= devPort %>,
 
     // level of logging
     // possible values: LOG_DISABLE || LOG_ERROR || LOG_WARN || LOG_INFO || LOG_DEBUG
diff --git a/templates/app/protractor.conf.js b/templates/app/protractor.conf.js
index 8e297bb67..4f3e10eef 100644
--- a/templates/app/protractor.conf.js
+++ b/templates/app/protractor.conf.js
@@ -10,7 +10,7 @@ var config = {
 
   // A base URL for your application under test. Calls to protractor.get()
   // with relative paths will be prepended with this.
-  baseUrl: 'http://localhost:' + (process.env.PORT || '9000'),
+  baseUrl: 'http://localhost:' + (process.env.PORT || '<%= devPort %>'),
 
   // Credientials for Saucelabs
   sauceUser: process.env.SAUCE_USERNAME,
diff --git a/templates/app/server/config/_local.env.js b/templates/app/server/config/_local.env.js
index 82195c471..0d915248b 100644
--- a/templates/app/server/config/_local.env.js
+++ b/templates/app/server/config/_local.env.js
@@ -6,7 +6,7 @@
 // You will need to set these on the server you deploy to.
 
 module.exports = {
-  DOMAIN: 'http://localhost:9000',
+  DOMAIN: 'http://localhost:<%= devPort %>',
   SESSION_SECRET: '<%= lodash.slugify(appname) + "-secret" %>',<% if (filters.facebookAuth) { %>
 
   FACEBOOK_ID: 'app-id',
diff --git a/templates/app/server/config/_local.env.sample.js b/templates/app/server/config/_local.env.sample.js
index 8106cf731..f13d11c3a 100644
--- a/templates/app/server/config/_local.env.sample.js
+++ b/templates/app/server/config/_local.env.sample.js
@@ -6,7 +6,7 @@
 // You will need to set these on the server you deploy to.
 
 module.exports = {
-  DOMAIN:           'http://localhost:9000',
+  DOMAIN:           'http://localhost:<%= devPort %>',
   SESSION_SECRET:   '<%= lodash.slugify(appname) + "-secret" %>',<% if (filters.facebookAuth) { %>
 
   FACEBOOK_ID:      'app-id',
diff --git a/templates/app/server/config/environment/index.js b/templates/app/server/config/environment/index.js
index c6115a06d..9b0efa232 100644
--- a/templates/app/server/config/environment/index.js
+++ b/templates/app/server/config/environment/index.js
@@ -19,7 +19,7 @@ var all = {
   root: path.normalize(__dirname + '/../../..'),
 
   // Server port
-  port: process.env.PORT || 9000,
+  port: process.env.PORT || <%= devPort %>,
 
   // Server IP
   ip: process.env.IP || '0.0.0.0',
diff --git a/templates/app/server/config/environment/production.js b/templates/app/server/config/environment/production.js
index 791dfb4a1..2bd6fe761 100644
--- a/templates/app/server/config/environment/production.js
+++ b/templates/app/server/config/environment/production.js
@@ -11,7 +11,7 @@ module.exports = {
   // Server port
   port:   process.env.OPENSHIFT_NODEJS_PORT ||
           process.env.PORT ||
-          8080<% if (filters.mongoose) { %>,
+          <%= prodPort %><% if (filters.mongoose) { %>,
 
   // MongoDB connection options
   mongo: {