Setting up your Router to Fix the "425 code"

Device Specific Instructions

Please send a request for your device to be added if you don’t see it, and we’ll do our best to add it.

Apple Airport Extreme

1. Under the Network tab of the Airport Utility there’s a section titled "port settings."
2. Click the "+" button to add a setting, either select "FTP access" from the dropdown, or add it.
3. Under both "Private TCP ports" and "Public TCP Ports" put in 21 (standard FTP Port).
   • Note: You do NOT need to allow UDP ports as they are not used for FTP.
4. Under Private IP address type the IP address of the destination computer (FTP server).
   • Note: setting a static IP address on the FTP server is strongly suggested.
5. Repeat step 3 and allow port 990 (standard TLS port).
6. Repeat step 3 one last time and
   • Under the TCP ports fill in the range of the FZS passive ports: i.e. "60000-65000" just like that.
   • Use your FZS ports. No spaces, no other characters.
7. Apply the settings to the router, and allow it to reset.
8. Test the connection.