diff --git a/LockId.cpp b/LockId.cpp
index 48d3d7b..4a49310 100644
--- a/LockId.cpp
+++ b/LockId.cpp
@@ -28,9 +28,10 @@
 using namespace std ;
 
 //----------------------------------------------------------------------------
-static int  s_nLockType = KEY_LOCK_TYPE_ANY ;
-static bool s_bNetHwKey = false ;
-static int  s_nNetUserId = 0 ;
+static int    s_nLockType = KEY_LOCK_TYPE_ANY ;
+static bool   s_bNetHwKey = false ;
+static int    s_nNetUserId = 0 ;
+static string s_sAddrPort = "" ;
 
 //----------------------------------------------------------------------------
 bool
@@ -46,12 +47,13 @@ SetLockType( int nType)
 
 //----------------------------------------------------------------------------
 bool
-SetNetHwKey( bool bNetHwKey, int nUserId)
+SetNetHwKey( bool bNetHwKey, int nUserId, const std::string& sAddrPort)
 {
    s_bNetHwKey = bNetHwKey ;
    if ( s_bNetHwKey) {
       s_nLockType = KEY_LOCK_TYPE_HW ;
       s_nNetUserId = Clamp( nUserId, 0, 9) ;
+      s_sAddrPort = sAddrPort ;
    }
    return true ;
 }
@@ -70,7 +72,7 @@ GetLockId( string& sLockId)
    switch ( s_nLockType) {
    default :     // KEY_LOCK_TYPE_ANY
       if ( s_bNetHwKey)
-         return GetNetDongleId( s_nNetUserId, sLockId) ;
+         return GetNetDongleId( s_nNetUserId, s_sAddrPort, sLockId) ;
       else if ( GetDongleId( sLockId))
          return true ;
       else
@@ -81,7 +83,7 @@ GetLockId( string& sLockId)
       if ( ! s_bNetHwKey)
          return GetDongleId( sLockId) ;
       else
-         return GetNetDongleId( s_nNetUserId, sLockId) ;
+         return GetNetDongleId( s_nNetUserId, s_sAddrPort, sLockId) ;
    }
 }
 
diff --git a/NetDongleId.cpp b/NetDongleId.cpp
index 9fa994c..ec25714 100644
--- a/NetDongleId.cpp
+++ b/NetDongleId.cpp
@@ -21,6 +21,7 @@
 using namespace std ;
 
 //----------------------------------------------------------------------------
+static string s_sAddrPort = "seriate.egalware.com:15678" ;
 static XND_XLT_ENV s_env = nullptr ;
 static XND_NET_DATA s_net_data = nullptr ;
 static XND_DEVICE_CONTEXT s_dev_ctx = nullptr ;
@@ -40,10 +41,10 @@ static const char* user2_data_blob =           "DHn2Cq9uYJKBJUYCRuVyQIz9JWqyWVZU
 
 //----------------------------------------------------------------------------
 bool
-GetNetDongleId( int nNetUserId, string& sDongleId)
+GetNetDongleId( int nNetUserId, const string& sAddrPort, string& sDongleId)
 {
    if ( s_env == nullptr) {
-      if ( ! NetDongleConnect( nNetUserId))
+      if ( ! NetDongleConnect( nNetUserId, sAddrPort))
          return false ;
    }
   // richiamo funzioni di verifica chiave con decifratura RSA 512 di dati generati al volo
@@ -93,7 +94,7 @@ GetNetDongleId( int nNetUserId, string& sDongleId)
 
 //----------------------------------------------------------------------------
 bool
-NetDongleConnect( int nNetUserId)
+NetDongleConnect( int nNetUserId, const string& sAddrPort)
 {
   // se connessione già aperta, la chiudo per poi riaprirla
    if ( s_env != nullptr)
@@ -108,7 +109,11 @@ NetDongleConnect( int nNetUserId)
    strcpy_s( (char*)label, XLT_LABEL_SIZE, sLabel.c_str()) ;
    memset( label + sLabel.size(), 0x00, sizeof( label) - sLabel.size()) ;
    int nStatusND = 0 ;
-   s_net_data = xnd_net_data_create_resolving_local_search( s_env, XND_DEFAULT_PORT, label, 30000, 0, 0, &nStatusND) ;
+   if ( &sAddrPort == nullptr  ||  sAddrPort.empty()  ||
+        sAddrPort.find_first_not_of( " \t\r\n") == std::string::npos)
+      s_net_data = xnd_net_data_create_resolving_local_search( s_env, XND_DEFAULT_PORT, label, 30000, 0, 0, &nStatusND) ;
+   else
+      s_net_data = xnd_net_data_create_resolving_addr_port( s_env, s_sAddrPort.c_str(), 0, 30000, &nStatusND) ;
    if ( s_net_data == nullptr) {
       xnd_xlt_env_release( s_env) ;
       return false ;
diff --git a/NetDongleId.h b/NetDongleId.h
index b240cd0..9eb6424 100644
--- a/NetDongleId.h
+++ b/NetDongleId.h
@@ -1,13 +1,13 @@
 //----------------------------------------------------------------------------
-//  EgalTech 2022-2022
+//  EgalTech 2022-2023
 //----------------------------------------------------------------------------
-// File : NetDongleId.h         Data : 16.05.22          Versione : 2.4e3
+// File : NetDongleId.h         Data : 09.10.23          Versione : 2.5j1
 // Contenuto : Dichiarazione funzioni locali per gestione/calcolo Id chiave.
 //
 //
 //
 // Modifiche : 16.05.22 DS Creazione modulo.
-//
+//             09.10.23 DS Aggiunto parametro IndirizzoPorta.
 //
 //----------------------------------------------------------------------------
 
@@ -16,6 +16,6 @@
 #include <string>
 
 //-------------------------------------------------------------------------------
-bool GetNetDongleId( int nNetUserId, std::string& sDongleId) ;
-bool NetDongleConnect( int nNetUserId) ;
+bool GetNetDongleId( int nNetUserId, const std::string& sAddrPort, std::string& sDongleId) ;
+bool NetDongleConnect( int nNetUserId, const std::string& sAddrPort) ;
 bool NetDongleClose( void) ;