Internet firewall vista

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Click "Browse" if your program is not in the list. Select the process that should be allowed on the network. Then click "OK". Allow a port To allow a port, click the "Add Port" button and then fill in the following information : - Name : The name by which, it appear in the list of firewall. Then click "Change Scope". The same choice earlier appear: - Any computer including those on the Internet : Internet - Only My network subnet : local area network Intranet only - Custom list : networks or subnets that you want Then, confirm by clicking OK.

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To use diagnose and repair, just open the Network and Sharing Center and click on Diagnose and Repair. Figure 6: Diagnose and Repair. This tool will go through and check your network connection to identify problems. It will tell you basically what is wrong in the network connection but if you want more detailed information, you can check the Event Viewer.

Firewalls are used to filter inbound and outbound network connections. Of course if the firewall is out on our LAN that is beyond the scope of this article. As for firewalls on your local Vista computer, you can even have more than one but the first one if you installed a 3rd party firewall. However, the first thing that you want to check is the Windows Vista Firewall that is installed and enabled by default.

It is unlikely that the Vista Firewall is blocking all network access. It is more likely that it is blocking just certain inbound or outbound network connections for specific applications. While it is risky on a public shared network to disable your firewall, one of the first things that I usually do when I get to this point is to just turn off the Vista Firewall to see if your problem is resolved.

If it is, you can re-enable the Vista Firewall and then troubleshoot it to determine what port you need to allow your network traffic through. At this point, you can view its status.

Figure 7: Checking the Windows Firewall. We can see that the Windows Firewall is enabled and that means that inbound connections that do not have an exception will be blocked. We can see that we should get a notification when a program is blocked. To try disabling the firewall or creating an exception, click Change Settings and you will see this:.

Figure 8: Changing Windows Firewall Settings. Besides the Windows Firewall, if you are having trouble accessing computers on your local network, you need to check your Network Discovery settings.

Check your settings for things like Network Discovery, File Sharing, and others. Figure 9: Sharing and Discovery. Here are some common sense tips:. Being able to troubleshoot Vista networking issues quickly happens because you have a solid troubleshooting methodology similar to the bottom up approach and because you have practiced or had issues before.