To connect to Enders WC3 server download and run http://ender.tog.net/ender.reg, this will add the proper server Info to your registry.

Download and move both w3l.exe and w3lh.dll to your Warcraft 3 Install directory (Most likely "C:\Program Files\Warcraft III\"), then create a shortcut to w3l.exe and place It on your desktop, If frozen throne Is Installed add -classic to the 'target' line of your shortcuts properties to enable RoC mode. Use your new shortcut to play on Enders realm.

Download war3alliso and mount In DaemonTools or Alcohol to play with no-cd.

Link for files:
http://odins.mine.nu/ftpshare/Warcraft3/

Always use the latest version of Warcraft when connecting, currently 1.20c