500 I won’t open a connection to x.x.x.x (only to y.y.y.y)
When connecting to FTP server from a remote server hosted in Microsoft Azure i get error
500 I won’t open a connection to x.x.x.x (only to y.y.y.y)
This is because you are behind NAT firewall and trying to use FTP in Active mode.
To fix the error, enable FTP passive mode with command
passive
Thanks a lot, this post solved an issue for me.