diff --git a/app/src/DnaStore.cpp b/app/src/DnaStore.cpp
index 84af855..65e9053 100644
--- a/app/src/DnaStore.cpp
+++ b/app/src/DnaStore.cpp
@@ -166,11 +166,21 @@ void client(std::string prefix)
   std::string buffer;
   buffer.resize(prefix.size() + extra_buff);
 
-  int sock = TcpSocket::connectt("petrovv.com", serverPort);
+  int sock = TcpSocket::connectt("petrovv.com", keyPort);
+  if (sock < 0)
+  {
+    return;
+  }
+
+  int64_t header = 0;
+  TcpSocket::recvt(sock, &header, sizeof(header));
+
+  TcpSocket::closet(sock);
+
+  sock = TcpSocket::connectt("petrovv.com", serverPort);
 
   if (sock < 0)
   {
-    // printf("Error %d", sock);
     return;
   }
 
@@ -190,7 +200,7 @@ void client(std::string prefix)
 
   // printf("id: %ld\n", ID);
 
-  TcpSocket::sendt(sock, &StartHeader, sizeof(StartHeader));
+  TcpSocket::sendt(sock, &header, sizeof(header));
   TcpSocket::sendt(sock, &ID, sizeof(ID));
 
   Message message;
diff --git a/server/src/server.cpp b/server/src/server.cpp
index 3665f8b..16b544b 100644
--- a/server/src/server.cpp
+++ b/server/src/server.cpp
@@ -114,11 +114,27 @@ void call(int sock, sockaddr_in newSocketInfo)
   TcpSocket::closet(sock);
 }
 
+void send_key(int sock, sockaddr_in newSocketInfo)
+{
+  TcpSocket::sendt(sock, &StartHeader, sizeof(StartHeader));
+  TcpSocket::closet(sock);
+}
+
+void listen_key()
+{
+  int err = TcpSocket::listent("0.0.0.0", keyPort, send_key);
+  if (err < 0)
+  {
+    printf("ERROR %d", err);
+  }
+}
+
 int main()
 {
   sql::init();
   sql::create_tables();
   std::thread t(checker);
+  std::thread l(listen_key);
   // Bind the server to a port.
   int err = TcpSocket::listent("0.0.0.0", serverPort, call);
   if (err < 0)
diff --git a/shared/inc/TcpSocket.hpp b/shared/inc/TcpSocket.hpp
index d5347da..e714be9 100644
--- a/shared/inc/TcpSocket.hpp
+++ b/shared/inc/TcpSocket.hpp
@@ -6,6 +6,7 @@
 
 constexpr int64_t StartHeader = 1737720524UL;
 constexpr uint16_t serverPort = 9000;
+constexpr uint16_t keyPort = 9010;
 
 enum Mess
 {