diff --git a/configs/standalone.js b/configs/standalone.js
index df9358f1..fd27207f 100644
--- a/configs/standalone.js
+++ b/configs/standalone.js
@@ -41,7 +41,9 @@ module.exports = function(config, optimist) {
             .boolean("inProcessLocalFs")
             .describe("inProcessLocalFs", "Whether to run localfs in same process for debugging.")
             .default("inProcessLocalFs", config.inProcessLocalFs)
-            .boolean("useBrowserCache");
+            .boolean("useBrowserCache")
+            .describe("useBrowserCache", "Use window.caches api if available for faster loading, requires https://")
+            .describe("secure", "path to file containing ssl certificate (can be generated using scripts/create-cert.sh)");
     }
     
     var argv = optimist.argv;
@@ -112,7 +114,7 @@ module.exports = function(config, optimist) {
 
     if (argv.secure) {
         var certPath = path.isAbsolute(argv.secure) ? argv.secure : path.join(__dirname, "..", argv.secure);
-        var key = require("fs").readFileSync(certPath , "utf8");
+        var key = require("fs").readFileSync(certPath, "utf8");
         config.secure = {
             key: key.match(/^(-+BEGIN RSA PRIVATE KEY[\s\S]*END RSA PRIVATE KEY-+)/m)[0],
             cert: key.match(/^(-+BEGIN CERTIFICATE[\s\S]*END CERTIFICATE-+)/m)[0],
@@ -198,7 +200,10 @@ module.exports = function(config, optimist) {
         },
         "./c9.vfs.server/vfs.server",
         "./c9.error/logger.raygun_noop",
-        "./c9.preview/preview.handler",
+        {
+            packagePath: "./c9.preview/preview.handler",
+            selfSignedSSL: config.secure
+        },
         "./c9.vfs.server/cache",
         "./c9.vfs.server/download",
         "./c9.vfs.server/filelist",
diff --git a/plugins/c9.preview/preview.handler.js b/plugins/c9.preview/preview.handler.js
index d2e9839e..a5288db7 100644
--- a/plugins/c9.preview/preview.handler.js
+++ b/plugins/c9.preview/preview.handler.js
@@ -165,7 +165,8 @@ define(function(require, exports, module) {
                         path: parsedUrl.path,
                         hostname: parsedUrl.hostname,
                         port: parsedUrl.port,
-                        headers: req.headers
+                        headers: req.headers,
+                        rejectUnauthorized: !options.selfSignedSSL
                     }, function(request) {
                         if (request.statusCode >= 400 || request.headers["content-type"] == "text/x-error")
                             handleError(request);
diff --git a/plugins/c9.vfs.standalone/standalone.js b/plugins/c9.vfs.standalone/standalone.js
index 48955e9e..a1b64eca 100644
--- a/plugins/c9.vfs.standalone/standalone.js
+++ b/plugins/c9.vfs.standalone/standalone.js
@@ -141,8 +141,11 @@ function plugin(options, imports, register) {
             api.authenticate()(req, res, next);
         },
         previewHandler.getProxyUrl(function() {
+            var serverOptions = options.options;
+            var host = serverOptions.host;
+            if (host == "0.0.0.0") host = "localhost";
             return {
-                url: "http://localhost:" + options.options.port + "/vfs"
+                url: (serverOptions.secure ? "https://" : "http://") + host + ":" + serverOptions.port + "/vfs"
             };
         }),
         previewHandler.proxyCall()