FTP active mode blocked by firewall. Solution: Switch to passive mode in your FTP client. For FileZilla: Edit → Settings → FTP → Passive mode (default). For WinSCP: Advanced → Connection → FTP → Passive mode.
Need technical support or want to request FTP access? Contact the Digicon Telecommunication Ltd NOC at noc@digicontelecom.com (reference your vendor ID and the specific project name). Digicon Telecommunication Ltd Ftp Server