Accessible outside, not inside

mattman

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Network Setup:
  • Fiber internet from the wall to an Actiontec C1000a Wireless Router/Modem
  • Port 1 on the Actiontec goes to a Belkin Wireless Router which branches off to all the devices in the entertainment center. (Xbox, PS3, DVR)
  • Port 2 on the Actiontec goes to a desktop with Windows 8.1 installed.
  • WiFi radio is turned off on the Actiontec and on on the Belkin.
  • There is also a Cisco Wireless Router at the other end of the house that is setup as a wireless repeater/bridge.

Some Vitals:
  • The desktop has IIS installed and running.
  • Web server ports are forwarded in the Actiontec to the desktop.
  • I have registered a URL and have the DNS for that URL pointing to my public IP address.

My Problem:
While at work or any place other than my home, I can go to the URL and access the website set up on my desktop. Everything works fine. But, when I am at home and connected to the same network as the desktop, going to the URL won't work at all.
.
Things I've Tried:
  • Pinging the URL while on my home network returns success.
  • Renaming the desktop to the URL is apparently not allowed.
  • DNS Host Mapping on the Actiontec does nothing.

My Workaround:
I've edited the hosts file with an entry for the URL and the LAN IP of the desktop. When I am not at home, I comment the entry and uncomment it when connected to my home network.
.
My Questions:
  • Does anybody know of a setting I might be missing or configured wrong?
  • Does anybody have any suggestions on a better network setup?
  • Does anybody have any suggestions for better hardware?
 

My Computer

System One

  • OS
    Windows 8.1 Pro
    Computer type
    Tablet
    System Manufacturer/Model
    Lenovo
    CPU
    Atom Z2760
    Motherboard
    Lenovo K3011W
    Memory
    2GB DDR3
    Graphics Card(s)
    N/A
    Screen Resolution
    1366x768
    Hard Drives
    Samsung 64GB eMMC
    Mouse
    HP Bluetooth
    Internet Speed
    50Mbps
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebytes Anti-Malware
I believe you would need to set up a split DNS for this to work "without the host file edit work around" .

The following link explains how this works and how to set it up.

You Need to Create a Split DNS!
 

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home built
    CPU
    Q9650 @ 4.05 GHz
    Motherboard
    Gforce 780i SLI FTW
    Memory
    8GB Gskill DDR2 1200Mhz
    Graphics Card(s)
    GTX-480
    Sound Card
    Asus D2 Xonar
    Monitor(s) Displays
    HannsG
    Screen Resolution
    1680x1050
    Hard Drives
    Gskill 120GB SSD
    PSU
    Thermal Take 1000watts
    Case
    Thermal Take Xtreme
    Cooling
    9 fans air cooled
    Keyboard
    G15 logitech
    Mouse
    G9 logitech
    Internet Speed
    50mbps
Will this work if I have an external DNS?
 

My Computer

System One

  • OS
    Windows 8.1 Pro
    Computer type
    Tablet
    System Manufacturer/Model
    Lenovo
    CPU
    Atom Z2760
    Motherboard
    Lenovo K3011W
    Memory
    2GB DDR3
    Graphics Card(s)
    N/A
    Screen Resolution
    1366x768
    Hard Drives
    Samsung 64GB eMMC
    Mouse
    HP Bluetooth
    Internet Speed
    50Mbps
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebytes Anti-Malware
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