[11:44:54] 500 I won't open a connection to 192.168.27.58 (only to 123.123.123.123)

It means FXP is disabled on this server for security reasons.

It means FXP is disabled on this server for security reasons.
That's odd. FXP is for server-to-server transfers, isn't it? All I'm trying to do is download something (server-client)

Can you tell me how to disable FXP?