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Windows® XP built-in firewall

Microsoft Logo Both Windows® XP Home and Professional edition have a built-in firewall. It has separate settings for every Internet connection and is turned on by default. The easiest way to take care of it, is to turn it off altogether, but if your computer does not have any other protection, that might be a little risky. To do that, follow these steps:

  • Select "My Network Places" either from the Start menu, or from "My Computer".
  • Click the "View Network Connections" link on the "Network Tasks" menu on the left pane.
  • Here, you can see the network connections. Right-click the one you are using to connect to the internet (it will either be under the "Dial-up" header, or under the "LAN or High-Speed Internet" header), and select "Properties".
  • The last tab in the window that pops up is called "Advanced". Click it.
  • Uncheck the "Protect my computer and network by limiting or preventing access to this computer from the Internet." checkbox, and click OK.
  • Say "Yes" to the security warning that pops up.
  • The firewall has been disabled.
  • Please note, that if you are using a broadband connection, you actually need to disable the firewall in two places: the connection itself, and the network card through which you connect to the modem (which is usually called "Local Area Connection"). Do not touch the "1394 Connection", however, just let it be with the default settings.

Alternatively, one could just open the ports specifically needed to play Emperor Multiplayer. To do that, follow these steps:

  • Select "My Network Places" either from the Start menu, or from "My Computer".
  • Click the "View Network Connections" link on the "Network Tasks" menu on the left pane.
  • Here, you can see the network connections. Right-click the one you are using to connect to the internet (it will either be under the "Dial-up" header, or under the "LAN or High-Speed Internet" header), and select "Properties".
  • The last tab in the window that pops up is called "Advanced". Click it
  • Make sure that the "Protect my computer ..." checkbox is checked, and click the "Settings ..." button.
  • Click the Add button to add a new service.
  • Type in any name you like, such as "Emperor pre-game" in the "Description of service" field.
  • In the "Name or IP address of the computer" textbox, type in the name of your computer, if you know it, or simply "127.0.0.1", without the quotes, which is simply saying "this computer", or, more technically, localhost.
  • In both the "External port", and the "Internal port" fields, type in 25332.
  • Select the TCP radio button.
  • Click OK.
  • Repeat the procedure for adding a service, with the following information: Name: "Emperor gameplay"; IP: "127.0.0.1"; Ports: 25333; Protocol: UDP
  • Once you are done adding these two services, make sure that the checkboxes next to them in the list of available services are checked, and click OK.
  • Click OK again, to close the connection properties.
  • Emperor multiplayer should now be good to go.

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