apache default page not opening using ip address
 

i have installed fedora 11...
when iam opening my apache default test page using
http://localhost its opening but when iam trying to open the same using my ip address i.e. http://172.31.73.4 its not opening..instead iam gettin an error message like this in firefox

ERROR
The requested URL could not be retrieved

While trying to retrieve the URL: http://172.31.73.4/

The following error was encountered:

* Connection to 172.31.73.4 Failed

The system returned:

(113) No route to host

The remote host or network may be down. Please try the request again.

Your cache administrator is webmaster.
Generated Mon, 26 Oct 2009 04:43:51 GMT by proxyserver (squid/3.0.STABLE5)

can anyone tell me whats the problem because till now i was using fedora 8 and while using apache i never got this sort of problem..

It looks like you have configured your browser to use a proxy server to access nothing except localhost.