I'm creating a web system for our network. I can successfully access the server using the computer name plus the port number. Is it possible of I mask the url and change it to something easier to type?
If you are simply accessing it from one computer, you can always modify the local host file and put in a URL that you want to access the server with.
If many computer need to access it, you may need a dns server in your network to manage that. There are also freedns solutions for you: http://freedns.afraid.org/ and this would work fine if your server has a static IP or you can use NAT in your router.