fix ftp proxy (vip)

src/ftp_csv_receiver.py

@@ -155,13 +155,23 @@ def main():
         handler = ASEHandler
         handler.cfg = cfg
         handler.authorizer = authorizer
-        handler.masquerade_address = cfg.proxyaddr
+
+        # Set masquerade address only if configured (importante per HA con VIP)
+        # Questo è l'IP che il server FTP pubblicherà ai client per le connessioni passive
+        if cfg.proxyaddr and cfg.proxyaddr.strip():
+            handler.masquerade_address = cfg.proxyaddr
+            logger.info(f"FTP masquerade address configured: {cfg.proxyaddr}")
+        else:
+            logger.info("FTP masquerade address not configured - using server's default IP")
 
         # Set the range of passive ports for the FTP server
         _range = list(range(cfg.firstport, cfg.firstport + cfg.portrangewidth))
         handler.passive_ports = _range
 
+        # Log configuration
         logger.info(f"Starting FTP server on port {cfg.service_port} with DatabaseAuthorizer")
+        logger.info(f"FTP passive ports range: {cfg.firstport}-{cfg.firstport + cfg.portrangewidth - 1}")
+        logger.info(f"Database connection: {cfg.dbuser}@{cfg.dbhost}:{cfg.dbport}/{cfg.dbname}")
 
         # Create and start the FTP server
         server = FTPServer(("0.0.0.0", cfg.service_port), handler)