That is an OS X issue.  Logging on to any ftp server from the finder in 
OS X gives you a read only connection.

See Apple Knowledge Base article #107415


Jim Varian



On Wednesday, July 2, 2003, at 02:59  PM, Robert Schmid wrote:

>
> On Mac OS X I can ftp to my NetBSD Server without a problem if I use 
> ftp
> from a shell.  However, when I use Mac's GUI Interface (command-K, 
> enter
> in the ftp URL), after logging in I can download but not write to 
> files.
>
> Can someone point me at what I need to change?  I configured ftpd a 
> long
> time ago with minimal configuration.