for lazy guys make a new file and name it xxx.reg then right click and select edit.After that just add this code Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Blizzard Entertainment\Warcraft III]
"Battle.net Gateways"=hex:31,30,30,31,00,30,35,00,75,73,77,65,73,74,2e,62,61,\
74,74,6c,65,2e,6e,65,74,00,38,00,4c,6f,72,64,61,65,72,6f,6e,20,28,55,2e,53,\
2e,20,57,65,73,74,29,00,75,73,65,61,73,74,2e,62,61,74,74,6c,65,2e,6e,65,74,\
00,36,00,41,7a,65,72,6f,74,68,20,28,55,2e,53,2e,20,45,61,73,74,29,00,61,73,\
69,61,2e,62,61,74,74,6c,65,2e,6e,65,74,00,2d,39,00,4b,61,6c,69,6d,64,6f,72,\
20,28,41,73,69,61,29,00,65,75,72,6f,70,65,2e,62,61,74,74,6c,65,2e,6e,65,74,\
00,2d,31,00,4e,6f,72,74,68,72,65,6e,64,20,28,45,75,72,6f,70,65,29,00,73,65,\
72,76,65,72,2e,65,75,72,6f,62,61,74,74,6c,65,2e,6e,65,74,00,38,00,45,75,72,\
6f,62,61,74,74,6c,65,2e,6e,65,74,00,6c,6f,63,61,6c,68,6f,73,74,00,38,00,45,\
75,72,6f,62,61,74,74,6c,65,2e,6e,65,74,20,47,50,72,6f,78,79,00,31,37,38,2e,\
31,34,38,2e,31,33,37,2e,39,34,00,33,00,49,63,79,42,4e,45,54,00,00
And you got it in your gateways
Btw icy is your server running?If it is you need to re-check your ip :/