diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
index 37e6a74a..bffafd67 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
@@ -97,6 +97,7 @@ public void reply() throws Exception {
         debug("Auth: '%s' -> '%s', '%s'", login, result.username, result.accessToken);
         clientData.isAuth = true;
         clientData.permissions = result.permissions;
+        clientData.username = result.username;
         // Authenticate on server (and get UUID)
         UUID uuid;
         try {
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthServerResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthServerResponse.java
index 5c620287..c050540f 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthServerResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthServerResponse.java
@@ -77,6 +77,7 @@ public void reply() throws Exception {
                 throw new AuthException("You profile not found");
             }
             clientData.type = Client.Type.SERVER;
+            clientData.username = result.username;
         } catch (AuthException | HWIDException e) {
             requestError(e.getMessage());
             return;
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/CheckServerResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/CheckServerResponse.java
index 2e701989..d9b7b59f 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/CheckServerResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/CheckServerResponse.java
@@ -3,6 +3,7 @@
 import java.io.IOException;
 import java.util.UUID;
 
+import ru.gravit.launchserver.socket.Client;
 import ru.gravit.utils.helper.LogHelper;
 import ru.gravit.utils.helper.VerifyHelper;
 import ru.gravit.launcher.serialize.HInput;
@@ -25,7 +26,8 @@ public void reply() throws IOException {
         String serverID = VerifyHelper.verifyServerID(input.readASCII(41)); // With minus sign
         String client = input.readString(SerializeLimits.MAX_CLIENT);
         debug("Username: %s, Server ID: %s", username, serverID);
-
+        Client clientData = server.sessionManager.getClient(session);
+        if(!clientData.isAuth || clientData.type != Client.Type.SERVER) { requestError("Assess denied"); return;}
         // Try check server with auth handler
         UUID uuid;
         try {
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java
index 4cd5816c..f9f7b1b5 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/update/UpdateResponse.java
@@ -11,6 +11,8 @@
 import ru.gravit.launcher.hasher.HashedDir;
 import ru.gravit.launcher.hasher.HashedEntry;
 import ru.gravit.launcher.hasher.HashedEntry.Type;
+import ru.gravit.launcher.profiles.ClientProfile;
+import ru.gravit.launchserver.socket.Client;
 import ru.gravit.utils.helper.IOHelper;
 import ru.gravit.launcher.request.UpdateAction;
 import ru.gravit.launcher.serialize.HInput;
@@ -35,6 +37,17 @@ public void reply() throws IOException {
             requestError(String.format("Unknown update dir: %s", updateDirName));
             return;
         }
+        Client clientData = server.sessionManager.getClient(session);
+        if(!clientData.isAuth || clientData.type != Client.Type.USER) { requestError("Assess denied"); return;}
+        for(SignedObjectHolder<ClientProfile> p : server.getProfiles())
+        {
+            ClientProfile profile = p.object;
+            if(!clientData.profile.getTitle().equals(profile.getTitle())) continue;
+            if(!profile.isWhitelistContains(clientData.username)) {
+                requestError("You don't download this folder");
+                return;
+            }
+        }
         writeNoError(output);
 
         // Write update hdir
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/Client.java b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/Client.java
index de41fa88..7feb8a78 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/Client.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/Client.java
@@ -11,6 +11,7 @@ public class Client {
     public ClientProfile profile;
     public boolean isAuth;
     public ClientPermissions permissions;
+    public String username;
 
     public Client(long session) {
         this.session = session;
@@ -18,6 +19,7 @@ public Client(long session) {
         type = Type.USER;
         isAuth = false;
         permissions = ClientPermissions.DEFAULT;
+        username = "";
     }
     //Данные ваторизации
     public void up() {