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I try to connect FTP server which is outside but fail. After checking the log, it shows invalid traffic and the message is "Invalid connection helper. The policy I set is Lan to Wan and any any accept. I have tested another FTP server connection, the connection is successful. Do you have an idea about this problem?
Did you enable Scan FTP? This "automatically" enables the FTP Helper and you only need Port 21 for FTP.
In reply to LuCar Toni:
No, The Scan FTP function is disable already.
In reply to MurMan:
But you need the scan feature in Port 21 to get the FTP Helper. Did you try to use the Scan FTP for your test?
Hi LuCar Toni,
Finally, I create a new firewall rule and test again, the relative log is gone.
The FTP Server can let me login, after login, no file and folder to show. I try to disable IPS service in the XG firewall and test again. The result is the same. But I have to used SG firewall and test the FTP connection to the same FTP server at the sometimes. everything is normal.
I have no idea which function of XG firewall feature to block the connection.
I have the same problem,
Do you fixed the problem?
In reply to Rodrigo Soares:
can you check this thread?