Download this, its about 400kb 
http://www.icyhell.net/2008/05/06/blizzard-battlenet-gateway-editor-v3010702/
Then run it and set it to Diablo2 LoD at the bottom of the screen and say add server.
Then put this info in.
IP : 41.208.19.36
Zone: 2
Name: ZaServer (this can be anything).
then put Zaserver to your default and start up Diablo
http://www.icyhell.net/2008/05/06/blizzard-battlenet-gateway-editor-v3010702/
Then run it and set it to Diablo2 LoD at the bottom of the screen and say add server.
Then put this info in.
IP : 41.208.19.36
Zone: 2
Name: ZaServer (this can be anything).
then put Zaserver to your default and start up Diablo