diff --git a/src/main/aidl/com/github/shadowsocks/aidl/Config.java b/src/main/aidl/com/github/shadowsocks/aidl/Config.java
index cade941d..08f34367 100644
--- a/src/main/aidl/com/github/shadowsocks/aidl/Config.java
+++ b/src/main/aidl/com/github/shadowsocks/aidl/Config.java
@@ -11,6 +11,7 @@ public class Config implements Parcelable {
   public boolean isTrafficStat = false;
   public boolean isUdpDns = false;
   public boolean isAuth = false;
+  public boolean isIpv6 = false;
 
   public String profileName = "Untitled";
   public String proxy = "127.0.0.1";
@@ -34,7 +35,7 @@ public class Config implements Parcelable {
   };
 
   public Config(boolean isGlobalProxy, boolean isGFWList, boolean isBypassApps,
-      boolean isTrafficStat, boolean isUdpDns, boolean isAuth, String profileName, String proxy, String sitekey,
+      boolean isTrafficStat, boolean isUdpDns, boolean isAuth, boolean isIpv6, String profileName, String proxy, String sitekey,
       String encMethod, String proxiedAppString, String route, int remotePort, int localPort) {
     this.isGlobalProxy = isGlobalProxy;
     this.isGFWList = isGFWList;
@@ -42,6 +43,7 @@ public class Config implements Parcelable {
     this.isTrafficStat = isTrafficStat;
     this.isUdpDns = isUdpDns;
     this.isAuth = isAuth;
+    this.isIpv6 = isIpv6;
     this.profileName = profileName;
     this.proxy = proxy;
     this.sitekey = sitekey;
@@ -63,6 +65,7 @@ public class Config implements Parcelable {
     isTrafficStat = in.readInt() == 1;
     isUdpDns = in.readInt() == 1;
     isAuth = in.readInt() == 1;
+    isIpv6 = in.readInt() == 1;
     profileName = in.readString();
     proxy = in.readString();
     sitekey = in.readString();
@@ -84,6 +87,7 @@ public class Config implements Parcelable {
     out.writeInt(isTrafficStat ? 1 : 0);
     out.writeInt(isUdpDns ? 1 : 0);
     out.writeInt(isAuth ? 1 : 0);
+    out.writeInt(isIpv6 ? 1 : 0);
     out.writeString(profileName);
     out.writeString(proxy);
     out.writeString(sitekey);
diff --git a/src/main/res/values-zh/strings.xml b/src/main/res/values-zh/strings.xml
index 37e343cb..c9457d6f 100755
--- a/src/main/res/values-zh/strings.xml
+++ b/src/main/res/values-zh/strings.xml
@@ -80,6 +80,9 @@
   <string name="onetime_auth">一次性认证</string>
   <string name="onetime_auth_summary">启用一次性认证(实验性)</string>
 
+  <string name="ipv6">IPv6 路由</string>
+  <string name="ipv6_summary">向远程服务器转发 IPv6 流量</string>
+
   <!-- profile -->
   <string name="add_profile_dialog">为影梭添加此配置文件？</string>
   <string-array name="add_profile_methods">
diff --git a/src/main/res/values/strings.xml b/src/main/res/values/strings.xml
index 4120a152..04dc3487 100644
--- a/src/main/res/values/strings.xml
+++ b/src/main/res/values/strings.xml
@@ -25,12 +25,14 @@
 
   <!-- feature category -->
   <string name="feature_cat">Feature Settings</string>
+  <string name="ipv6">IPv6 Route</string>
+  <string name="ipv6_summary">Redirect IPv6 traffic to remote</string>
   <string name="onetime_auth">One-time Authentication</string>
   <string name="onetime_auth_summary">Enable one-time authentication (Experimental)</string>
   <string name="http_proxy">HTTP Proxy</string>
   <string name="http_proxy_summary">Local HTTP Proxy</string>
   <string name="dns_proxy">DNS Proxy</string>
-  <string name="dns_proxy_summary">Redirect DNS queries to remote server</string>
+  <string name="dns_proxy_summary">Redirect DNS queries to remote</string>
   <string name="auto_set_gfwlist">CHN Route</string>
   <string name="auto_set_gfwlist_summary">Bypass all sites located in China
   </string>
diff --git a/src/main/res/xml/pref_all.xml b/src/main/res/xml/pref_all.xml
index e9085e50..f6471c9a 100644
--- a/src/main/res/xml/pref_all.xml
+++ b/src/main/res/xml/pref_all.xml
@@ -58,6 +58,12 @@
                 android:summary="@string/route_list_summary"
                 android:title="@string/route_list">
         </com.github.shadowsocks.preferences.SummaryListPreference>
+        <CheckBoxPreference
+                android:key="isIpv6"
+                android:defaultValue="false"
+                android:summary="@string/ipv6_summary"
+                android:title="@string/ipv6">
+        </CheckBoxPreference>
         <CheckBoxPreference
                 android:defaultValue="true"
                 android:key="isGlobalProxy"
diff --git a/src/main/scala/com/github/shadowsocks/Shadowsocks.scala b/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
index b3fbf2c8..434d7ee1 100644
--- a/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
+++ b/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
@@ -127,7 +127,7 @@ object Shadowsocks {
   val PROXY_PREFS = Array(Key.profileName, Key.proxy, Key.remotePort, Key.localPort, Key.sitekey,
     Key.encMethod)
   val FEATRUE_PREFS = Array(Key.route, Key.isGlobalProxy, Key.proxyedApps,
-    Key.isUdpDns, Key.isAuth, Key.isAutoConnect)
+    Key.isUdpDns, Key.isAuth, Key.isIpv6, Key.isAutoConnect)
 
   val EXECUTABLES = Array(Executable.PDNSD, Executable.REDSOCKS, Executable.SS_TUNNEL, Executable.SS_LOCAL, Executable.TUN2SOCKS)
 
@@ -167,6 +167,7 @@ object Shadowsocks {
       case Key.isGlobalProxy => updateCheckBoxPreference(pref, profile.global)
       case Key.isUdpDns => updateCheckBoxPreference(pref, profile.udpdns)
       case Key.isAuth => updateCheckBoxPreference(pref, profile.auth)
+      case Key.isIpv6 => updateCheckBoxPreference(pref, profile.ipv6)
       case _ =>
     }
   }
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala
index 68dc32b8..d950f395 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala
@@ -271,10 +271,10 @@ class ShadowsocksNatService extends Service with BaseService {
       val reject = ConfigUtils.getRejectList(getContext, application)
       val blackList = ConfigUtils.getBlackList(getContext, application)
       ConfigUtils.PDNSD_DIRECT.formatLocal(Locale.ENGLISH, "127.0.0.1", 8153,
-        Path.BASE + "pdnsd-nat.pid", reject, blackList, 8163)
+        Path.BASE + "pdnsd-nat.pid", reject, blackList, 8163, "")
     } else {
       ConfigUtils.PDNSD_LOCAL.formatLocal(Locale.ENGLISH, "127.0.0.1", 8153,
-        Path.BASE + "pdnsd-nat.pid", 8163)
+        Path.BASE + "pdnsd-nat.pid", 8163, "")
     }
 
     ConfigUtils.printToFile(new File(Path.BASE + "pdnsd-nat.conf"))(p => {
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
index 2e1b3cfc..2714ae35 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
@@ -65,6 +65,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
   val TAG = "ShadowsocksVpnService"
   val VPN_MTU = 1500
   val PRIVATE_VLAN = "26.26.26.%s"
+  val PRIVATE_VLAN6 = "fdfe:dcba:9876::%s"
   var conn: ParcelFileDescriptor = null
   var notificationManager: NotificationManager = null
   var receiver: BroadcastReceiver = null
@@ -344,15 +345,16 @@ class ShadowsocksVpnService extends VpnService with BaseService {
   }
 
   def startDnsDaemon() {
+    val ipv6 = if (config.isIpv6) "" else "reject = ::/0;"
     val conf = {
       if (config.route == Route.BYPASS_CHN) {
         val reject = ConfigUtils.getRejectList(getContext, application)
         val blackList = ConfigUtils.getBlackList(getContext, application)
         ConfigUtils.PDNSD_DIRECT.formatLocal(Locale.ENGLISH, "0.0.0.0", 8153,
-          Path.BASE + "pdnsd-vpn.pid", reject, blackList, 8163)
+          Path.BASE + "pdnsd-vpn.pid", reject, blackList, 8163, ipv6)
       } else {
         ConfigUtils.PDNSD_LOCAL.formatLocal(Locale.ENGLISH, "0.0.0.0", 8153,
-          Path.BASE + "pdnsd-vpn.pid", 8163)
+          Path.BASE + "pdnsd-vpn.pid", 8163, ipv6)
       }
     }
     ConfigUtils.printToFile(new File(Path.BASE + "pdnsd-vpn.conf"))(p => {
@@ -375,9 +377,12 @@ class ShadowsocksVpnService extends VpnService with BaseService {
       .addAddress(PRIVATE_VLAN.formatLocal(Locale.ENGLISH, "1"), 24)
       .addDnsServer("8.8.8.8")
 
-    if (Utils.isLollipopOrAbove) {
+    if (config.isIpv6) {
+      builder.addAddress(PRIVATE_VLAN6.formatLocal(Locale.ENGLISH, "1"), 126)
+      builder.addRoute("::", 0)
+    }
 
-      builder.allowFamily(android.system.OsConstants.AF_INET6)
+    if (Utils.isLollipopOrAbove) {
 
       if (!config.isGlobalProxy) {
         val apps = AppManager.getProxiedApps(this, config.proxiedAppString)
@@ -433,7 +438,12 @@ class ShadowsocksVpnService extends VpnService with BaseService {
       + "--tunmtu %d "
       + "--loglevel 3 "
       + "--pid %stun2socks-vpn.pid")
-      .formatLocal(Locale.ENGLISH, PRIVATE_VLAN.formatLocal(Locale.ENGLISH, "2"), config.localPort, fd, VPN_MTU, Path.BASE)
+      .formatLocal(Locale.ENGLISH,
+        PRIVATE_VLAN.formatLocal(Locale.ENGLISH, "2"),
+        config.localPort, fd, VPN_MTU, Path.BASE)
+
+    if (config.isIpv6)
+      cmd += " --netif-ip6addr " + PRIVATE_VLAN6.formatLocal(Locale.ENGLISH, "2")
 
     if (config.isUdpDns)
       cmd += " --enable-udprelay"
diff --git a/src/main/scala/com/github/shadowsocks/database/DBHelper.scala b/src/main/scala/com/github/shadowsocks/database/DBHelper.scala
index fd08afb8..3943e600 100644
--- a/src/main/scala/com/github/shadowsocks/database/DBHelper.scala
+++ b/src/main/scala/com/github/shadowsocks/database/DBHelper.scala
@@ -51,7 +51,7 @@ object DBHelper {
 }
 
 class DBHelper(val context: Context)
-  extends OrmLiteSqliteOpenHelper(context, DBHelper.PROFILE, null, 10) {
+  extends OrmLiteSqliteOpenHelper(context, DBHelper.PROFILE, null, 11) {
 
   lazy val profileDao: Dao[Profile, Int] = getDao(classOf[Profile])
 
@@ -69,6 +69,8 @@ class DBHelper(val context: Context)
         profileDao.executeRaw("ALTER TABLE `profile` ADD COLUMN route VARCHAR;")
       } else if (oldVersion < 10) {
         profileDao.executeRaw("ALTER TABLE `profile` ADD COLUMN auth SMALLINT;")
+      } else if (oldVersion < 11) {
+        profileDao.executeRaw("ALTER TABLE `profile` ADD COLUMN ipv6 SMALLINT;")
       } else {
         profileDao.executeRaw("DROP TABLE IF EXISTS 'profile';")
         onCreate(database, connectionSource)
diff --git a/src/main/scala/com/github/shadowsocks/database/Profile.scala b/src/main/scala/com/github/shadowsocks/database/Profile.scala
index 4b444d26..19d48932 100644
--- a/src/main/scala/com/github/shadowsocks/database/Profile.scala
+++ b/src/main/scala/com/github/shadowsocks/database/Profile.scala
@@ -93,6 +93,9 @@ class Profile {
   @DatabaseField
   var auth: Boolean = false
 
+  @DatabaseField
+  var ipv6: Boolean = false
+
   @DatabaseField(dataType = DataType.LONG_STRING)
   var individual: String = ""
 
diff --git a/src/main/scala/com/github/shadowsocks/database/ProfileManager.scala b/src/main/scala/com/github/shadowsocks/database/ProfileManager.scala
index f70973f9..e792786f 100644
--- a/src/main/scala/com/github/shadowsocks/database/ProfileManager.scala
+++ b/src/main/scala/com/github/shadowsocks/database/ProfileManager.scala
@@ -123,6 +123,7 @@ class ProfileManager(settings: SharedPreferences, dbHelper: DBHelper) {
     edit.putBoolean(Key.isTrafficStat, profile.traffic)
     edit.putBoolean(Key.isUdpDns, profile.udpdns)
     edit.putBoolean(Key.isAuth, profile.auth)
+    edit.putBoolean(Key.isIpv6, profile.ipv6)
     edit.putString(Key.profileName, profile.name)
     edit.putString(Key.proxy, profile.host)
     edit.putString(Key.sitekey, profile.password)
@@ -148,6 +149,7 @@ class ProfileManager(settings: SharedPreferences, dbHelper: DBHelper) {
     profile.traffic = settings.getBoolean(Key.isTrafficStat, false)
     profile.udpdns = settings.getBoolean(Key.isUdpDns, false)
     profile.auth = settings.getBoolean(Key.isAuth, false)
+    profile.ipv6 = settings.getBoolean(Key.isIpv6, false)
     profile.name = settings.getString(Key.profileName, "default")
     profile.host = settings.getString(Key.proxy, "127.0.0.1")
     profile.password = settings.getString(Key.sitekey, "default")
diff --git a/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala b/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala
index 57319974..4de1efa5 100644
--- a/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala
+++ b/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala
@@ -82,7 +82,7 @@ object ConfigUtils {
       | label = "local";
       | ip = 127.0.0.1;
       | port = %d;
-      | reject = ::/0;
+      | %s
       | reject_policy = negate;
       | reject_recursively = on;
       | timeout = 5;
@@ -174,7 +174,7 @@ object ConfigUtils {
       | label = "local-server";
       | ip = 127.0.0.1;
       | port = %d;
-      | reject = ::/0;
+      | %s
       | reject_policy = negate;
       | reject_recursively = on;
       |}
@@ -242,7 +242,7 @@ object ConfigUtils {
     val method = proxy(3).trim
 
     new Config(config.isGlobalProxy, config.isGFWList, config.isBypassApps, config.isTrafficStat,
-      config.isUdpDns, config.isAuth, config.profileName, host, password, method, config.proxiedAppString, config.route, port,
+      config.isUdpDns, config.isAuth, config.isIpv6, config.profileName, host, password, method, config.proxiedAppString, config.route, port,
       config.localPort)
   }
 
@@ -253,6 +253,7 @@ object ConfigUtils {
     val isTrafficStat = settings.getBoolean(Key.isTrafficStat, false)
     val isUdpDns = settings.getBoolean(Key.isUdpDns, false)
     val isAuth = settings.getBoolean(Key.isAuth, false)
+    val isIpv6 = settings.getBoolean(Key.isIpv6, false)
 
     val profileName = settings.getString(Key.profileName, "default")
     val proxy = settings.getString(Key.proxy, "127.0.0.1")
@@ -274,7 +275,7 @@ object ConfigUtils {
     }
     val proxiedAppString = settings.getString(Key.proxied, "")
 
-    new Config(isGlobalProxy, isGFWList, isBypassApps, isTrafficStat, isUdpDns, isAuth, profileName, proxy,
+    new Config(isGlobalProxy, isGFWList, isBypassApps, isTrafficStat, isUdpDns, isAuth, isIpv6, profileName, proxy,
       sitekey, encMethod, proxiedAppString, route, remotePort, localPort)
   }
 }
diff --git a/src/main/scala/com/github/shadowsocks/utils/Constants.scala b/src/main/scala/com/github/shadowsocks/utils/Constants.scala
index 389c3d66..83ab3cfb 100644
--- a/src/main/scala/com/github/shadowsocks/utils/Constants.scala
+++ b/src/main/scala/com/github/shadowsocks/utils/Constants.scala
@@ -80,6 +80,7 @@ object Key {
   val isTrafficStat = "isTrafficStat"
   val isUdpDns = "isUdpDns"
   val isAuth= "isAuth"
+  val isIpv6= "isIpv6"
 
   val proxy = "proxy"
   val sitekey = "sitekey"