This is my gnutella.net file's correct address::

ftp://whitedragon.dyndns.org/gnutella.net

(mail to gregorio@gmx.li if unavailable)

Download it and copy it into your limewire directory (C:\program files\LimeWire). That should enabling you to connect if the pong caches (router.limewire.com etc.) don't get you connected.