Use caution and only open whatever ports are necessary for your application(s) to function properly. Remember that the more holes you create here, the more potential you create for someone to access your machine from the Internet. Click OK to close the Firewall window and save your settings. If your application needs a different port open, say port 3389 for Remote Desktop, then use the appropriate port. So, back to basics: setting a default screen saver with settings that will be compatible with changes in Windows 7 and with your existing Windows XP and Vista clients. You can have as many rules as you have applications that need one. At this time you can edit it, delete it, or add another rule using the same procedure as outlined above.

You should see your new firewall rule here. Pick a name for your service, in this case HTTP, and then fill in the port number (80). Step 5: Add the proper settings for your application.įor this example we’re going to assume you are trying to run a web server on port 80. If so, leave them as is or you may prevent other applications from working properly. Some pre-configured exceptions may already exist. This will bring up the window showing the current exceptions configured. If the Firewall is set to “Off” then this article doesn’t apply as you’re already letting all the outside traffic in without exception. Step 2: Make sure the Firewall is set to “On”. Step 1: From the Windows control panel, open the Windows Firewall application. If you don’t have Windows XP then this guide will not apply to you. Windows XP includes an Internet Connection Firewall (ICF) software you can use to restrict what information is communicated between the Internet and your home or small office network. This guide will show how to configure the Microsoft Windows Firewall to allow inbound access to your computer from the Internet.

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