ftp via connect to server

Hello,

Lately I was trying to connect to an FTP server using the OSX/finder/Go/Connect to server function.

Here I inserted FTP://ftp.... and actually a finder window opened that presented the contents of the remote ftp server.

However, this window opened in read-only mode as conveyed by a barred-pencil icon on the window.

Is there a way to get this to work in read-write ? Is this a local mac issue or a remote ftp server issue ?

Thanks for suggestions