1. Downloading Official Zyxel Resources (Firmware & Drivers)
ftp2.zyxel.com – Often recommended for downloading large PDFs or manuals via clients like FileZilla. zyxel ftp download
ftp://ftp.zyxel.com (Anonymous login supported). Alternative Servers: and File Sharing
If you cannot access the Web GUI of your Zyxel security device, you can use FTP to download the startup-config.conf file directly for backup or troubleshooting. Download/Upload Configuration File via FTP on a USG zyxel ftp download
Mastering Zyxel FTP Downloads: A Complete Guide to Firmware, Backups, and File Sharing