Is the NetBSD server still alive?  I seem to keep getting disconnected 
without any error messages.

hw-sbus# ftp ftp.netbsd.org
Connected to ftp.netbsd.org.
220-
220 ftp.netbsd.org FTP server (NetBSD-ftpd 20010417) ready.
Name (ftp.netbsd.org:grunza): ftp
331 Guest login ok, type your name as password.
Password:
230-
421 Service not available, remote server has closed connection.
ftp: Login failed.
ftp: No control connection for command.
ftp>