accessing the local application through web browser

[trupti nigam]

Hi,

I am using jetty 6.1 to deply my application locally. It runs locally. So to access it through IE, I type in the IP address of my machine an the port defined in the application and the JSP page. For e.g. http://10.3.20.456:9000/admin/myapp
but I am unable to access it from my PC on which it's deployed.I get IE can not display the page error.
But the same application is accessible from my other desktop.\I even tried accessing it as http://localhost:9000/admin/myapp and http://127.0.0.1:9000/admin/myapp.

What is preventing to access it from local box but a remote machine can access it.

thanks
Trupti

[Peter Johnson]

I usually see the opposite of this question asked: http://localhost and http://127.0.0.1 work but http://hostname and http://99.99.99.99 don't.

The key is in how the app server opens the port. If it opens port using IP address 0.0.0.0, then the port is bound to all IP addresses known to the system. Thus the port is bound to 127.0.0.1 and all IP addresses assigned to all of the NICs. On the other hand, if the app server opens the port using a specific IP address, such as 99.99.99.99, then you can access the port only via that IP address - in other words, 127.0.0.1 cannot be used.

You can use netstat (or tcpview on Windows) to see how the app server opened the port.

However, I do not understand why remote systems can access http://10.3.20.456 but when on that system (the one with that IP address) that URL is not valid. But then again there could be something screwy in the network. I would first try a ping and then a tracert to try to solve the problem.