ZOOM X4 adsl modem , Apache behind home gateway

[Hasan]

Hello ,
I want to use apache server , it works at localhost perfect . Bu i have 
the adsl modem zoom x4 . When i click my ip at the browser Home Gateway 
popup appears and ask password. I tried to do Virtual Host section . 
When I set port 80 to my ip , it reset the modem and my ip chages ! How 
can i do this ? I googled and ask in freenode irc but cant find . 

--
To UNSUBSCRIBE, email to [EMAIL PROTECTED] 
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]