Webmaster's life: FTP
Ah! Ah! very funny, but I'm trying to get some serious work done here. Dear Macromedia, if you could try to be less creative in your FTP stack than you are with your error messages, may be it would start to be reliable. None of the command-line ftp I've used have ever got in my way like this.
Webmaster tip: when Dreamweaver starts spitting strange FTP errors messages, disconnect and reconnect to the server or check the passive mode in your FTP connection preferences.