diff --git a/src/main/java/com/corundumstudio/socketio/AuthorizeHandler.java b/src/main/java/com/corundumstudio/socketio/AuthorizeHandler.java
index 051b6c8..ce398aa 100644
--- a/src/main/java/com/corundumstudio/socketio/AuthorizeHandler.java
+++ b/src/main/java/com/corundumstudio/socketio/AuthorizeHandler.java
@@ -51,9 +51,6 @@ import com.corundumstudio.socketio.scheduler.CancelableScheduler;
 import com.corundumstudio.socketio.scheduler.SchedulerKey;
 import com.corundumstudio.socketio.scheduler.SchedulerKey.Type;
 import com.corundumstudio.socketio.transport.BaseClient;
-import com.corundumstudio.socketio.transport.FlashSocketTransport;
-import com.corundumstudio.socketio.transport.WebSocketTransport;
-import com.corundumstudio.socketio.transport.XHRPollingTransport;
 
 @Sharable
 public class AuthorizeHandler extends SimpleChannelUpstreamHandler implements Disconnectable {
@@ -91,34 +88,34 @@ public class AuthorizeHandler extends SimpleChannelUpstreamHandler implements Di
                 return;
             }
             if (queryDecoder.getPath().equals(connectPath)) {
-                authorize(channel, req, queryDecoder.getParameters());
+                String origin = req.getHeader(HttpHeaders.Names.ORIGIN);
+                authorize(channel, origin, queryDecoder.getParameters());
                 return;
             }
         }
         ctx.sendUpstream(e);
     }
 
-    private void authorize(Channel channel, HttpRequest req, Map<String, List<String>> params)
+    private void authorize(Channel channel, String origin, Map<String, List<String>> params)
             throws IOException {
         final UUID sessionId = UUID.randomUUID();
         authorizedSessionIds.add(sessionId);
 
         scheduleDisconnect(channel, sessionId);
 
-        String transports = WebSocketTransport.NAME + "," + FlashSocketTransport.NAME + "," + XHRPollingTransport.NAME;
         String heartbeatTimeoutVal = String.valueOf(configuration.getHeartbeatTimeout());
         if (!configuration.isHeartbeatsEnabled()) {
             heartbeatTimeoutVal = "";
         }
 
-        String msg = sessionId + ":" + heartbeatTimeoutVal + ":" + configuration.getCloseTimeout() + ":" + transports;
+        String msg = sessionId + ":" + heartbeatTimeoutVal + ":" + configuration.getCloseTimeout() + ":" + configuration.getTransports();
 
         List<String> jsonpParams = params.get("jsonp");
         String jsonpParam = null;
         if (jsonpParams != null) {
             jsonpParam = jsonpParams.get(0);
         }
-        String origin = req.getHeader(HttpHeaders.Names.ORIGIN);
+
         channel.write(new AuthorizeMessage(msg, jsonpParam, origin, sessionId));
         log.debug("New sessionId: {} authorized", sessionId);
     }
diff --git a/src/main/java/com/corundumstudio/socketio/Configuration.java b/src/main/java/com/corundumstudio/socketio/Configuration.java
index 57a7d5a..091b75c 100644
--- a/src/main/java/com/corundumstudio/socketio/Configuration.java
+++ b/src/main/java/com/corundumstudio/socketio/Configuration.java
@@ -16,6 +16,8 @@
 package com.corundumstudio.socketio;
 
 import java.io.InputStream;
+import java.util.Arrays;
+import java.util.List;
 import java.util.concurrent.Executor;
 import java.util.concurrent.Executors;
 
@@ -27,6 +29,8 @@ public class Configuration {
     private String jsonTypeFieldName = "@class";
     private String context = "/socket.io";
 
+    private String transports = join(Arrays.asList(Transport.WEBSOCKET, Transport.FLASHSOCKET, Transport.XHRPOLLING));
+
     private Executor bossExecutor = Executors.newCachedThreadPool();
     private Executor workerExecutor = Executors.newCachedThreadPool();
 
@@ -71,6 +75,17 @@ public class Configuration {
         setJsonTypeFieldName(conf.getJsonTypeFieldName());
         setKeyStorePassword(conf.getKeyStorePassword());
         setKeyStore(conf.getKeyStore());
+        setTransports(conf.getTransports());
+    }
+
+    private String join(List<Transport> transports) {
+        StringBuilder result = new StringBuilder();
+        for (Transport transport : transports) {
+            result.append(transport.getValue());
+            result.append(",");
+        }
+        result.setLength(result.length()-1);
+        return result.toString();
     }
 
     public String getJsonTypeFieldName() {
@@ -214,6 +229,11 @@ public class Configuration {
         this.pollingDuration = pollingDuration;
     }
 
+    /**
+     * SSL key store password
+     *
+     * @param keyStorePassword
+     */
     public void setKeyStorePassword(String keyStorePassword) {
         this.keyStorePassword = keyStorePassword;
     }
@@ -221,6 +241,11 @@ public class Configuration {
         return keyStorePassword;
     }
 
+    /**
+     * SSL key store stream, maybe appointed to any source
+     *
+     * @param keyStore
+     */
     public void setKeyStore(InputStream keyStore) {
         this.keyStore = keyStore;
     }
@@ -228,4 +253,23 @@ public class Configuration {
         return keyStore;
     }
 
+    /**
+     * Transports supported by server
+     *
+     * @param transports - list of transports
+     */
+    public void setTransports(List<Transport> transports) {
+        if (transports.isEmpty()) {
+            throw new IllegalArgumentException("Transports list can't be empty");
+        }
+        this.transports = join(transports);
+    }
+    // used in cloning
+    private void setTransports(String transports) {
+        this.transports = transports;
+    }
+    public String getTransports() {
+        return transports;
+    }
+
 }
diff --git a/src/main/java/com/corundumstudio/socketio/Transport.java b/src/main/java/com/corundumstudio/socketio/Transport.java
new file mode 100644
index 0000000..a23c1bc
--- /dev/null
+++ b/src/main/java/com/corundumstudio/socketio/Transport.java
@@ -0,0 +1,38 @@
+/**
+ * Copyright 2012 Nikita Koksharov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.corundumstudio.socketio;
+
+import com.corundumstudio.socketio.transport.FlashSocketTransport;
+import com.corundumstudio.socketio.transport.WebSocketTransport;
+import com.corundumstudio.socketio.transport.XHRPollingTransport;
+
+public enum Transport {
+
+    WEBSOCKET(WebSocketTransport.NAME),
+    FLASHSOCKET(FlashSocketTransport.NAME),
+    XHRPOLLING(XHRPollingTransport.NAME);
+
+    private final String value;
+
+    Transport(String value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+}