(May 13 2013) All public-facing services have fallen into disuse. As of today they are no longer available.
(Jan. 2 2012) FTP has been confirmed to work with ipv6 once again. If any problems persist please let us know.
(Nov. 16 2011) We are currently experiencing some issues with FTP which means it may or may not work with IPv6. If it doesn't, try connecting through IPv4.