ATP 500 client can not connect to FTP

JFDATA Posts: 2
We have a strange problem. It is not possible to connect to a FTP server from LAN to WAN. I have turned of all security services and added IP exceptions. But still no luck.
If we attach our old USG 200 then no problem???

Accepted Solution

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 865
    50 Answers 500 Comments Friend Collector Second Anniversary
     Zyxel Employee
    Answer ✓

    Hi @JFDATA

    Welcome to Zyxel community :) .

    Can you enable FTP ALG feature on your device and make sure the FTP port(the default value is 21) is correct? You can check it on the Web-GUI path Configuration->ALG-> FTP Settings, as the below screenshot:

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