Windows firewall on windows 8

Select Start , then open Settings. Open Windows Security settings. Select a network profile: Domain network , Private network , or Public network. Under Microsoft Defender Firewall , switch the setting to On.

If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator. To turn it off, switch the setting to Off. Turning off Microsoft Defender Firewall could make your device and network, if you have one more vulnerable to unauthorized access. If there's an app you need to use that's being blocked, you can allow it through the firewall, instead of turning the firewall off.

Shantanu Kaushik MVP. Hello, I would suggest everyone, not to stop windows from updating. Click on Restore Defaults you might to provide administrator privileges Check if Windows Firewall service is running? People using other Antivirus software : Make sure your antivirus software does not have It's own firewall.

Check action center for updates. In reply to Shantanu Kaushik's post on November 3, OK I did have Spy Hunter on my computer. I uninstalled it did a cold boot. I have no other spy ware or any other kind of virus or spyware software. And I still cannot turn on the firewall. Defender works fine. So now what do I do????? In reply to RichardHurd's post on November 3, What ever the problem is I find this version of Windows extremely non user friendly.

Domain profile : Used for networks where there is a system of account authentication against a domain controller DC , such as an Azure Active Directory DC. Private profile : Designed for and best used in private networks such as a home network.

Public profile : Designed with higher security in mind for public networks like Wi-Fi hotspots, coffee shops, airports, hotels, or stores.

View detailed settings for each profile by right-clicking the top-level Windows Defender Firewall with Advanced Security node in the left pane and then selecting Properties. Maintain the default settings in Windows Defender Firewall whenever possible. These settings have been designed to secure your device for use in most network scenarios. One key example is the default Block behavior for Inbound connections. In many cases, a next step for administrators will be to customize these profiles using rules sometimes called filters so that they can work with user apps or other types of software.

For example, an administrator or user may choose to add a rule to accommodate a program, open a port or protocol, or allow a predefined type of traffic. The interface for adding a new rule looks like this:. This article does not cover step-by-step rule configuration.

In many cases, allowing specific types of inbound traffic will be required for applications to function in the network.

Administrators should keep the following rule precedence behaviors in mind when allowing these inbound exceptions. More specific rules will take precedence over less specific rules, except in the case of explicit block rules as mentioned in 2.

For example, if the parameters of rule 1 includes an IP address range, while the parameters of rule 2 include a single IP host address, rule 2 will take precedence. Because of 1 and 2, it is important that, when designing a set of policies, you make sure that there are no other explicit block rules in place that could inadvertently overlap, thus preventing the traffic flow you wish to allow. A general security best practice when creating inbound rules is to be as specific as possible.

However, when new rules must be made that use ports or IP addresses, consider using consecutive ranges or subnets instead of individual addresses or ports where possible. This avoids creation of multiple filters under the hood, reduces complexity, and helps to avoid performance degradation.

Windows Defender Firewall does not support traditional weighted, administrator-assigned rule ordering. An effective policy set with expected behaviors can be created by keeping in mind the few, consistent, and logical rule behaviors described above. As there is a default block action in Windows Defender Firewall, it is necessary to create inbound exception rules to allow this traffic.

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