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Questions tagged [windows-firewall]

"Windows Firewall" refers to the built in client firewall utility that ships with the Windows operating system. (It was previously named the Internet Connection Firewall.) By default, all Windows operating systems since Windows XP and Windows Server 2003 have shipped with this client.

Windows Firewall Logo

"Windows Firewall" refers to the built in client firewall utility that ships with the Windows operating system. (It was previously named the Internet Connection Firewall.) By default, all Windows operating systems since Windows XP and Windows Server 2003 have shipped with this client.

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Windows Firewall - difference between disable and "block"

In "Windows Firewall with advanced security", what is the difference between disabling a rule and setting it to "block traffic"? Besides knowing the difference, in my case I want to diminish the system vulnerability to exploits by keeping open only…
msb
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Group Policy setting to activate Windows Firewall when not on Business Domain

I've been trying to figure out GPO settings for a couple of days and cannot figure out how to apply a filter of some sort to Windows Firewall to turn it ON when any employee is not on the domain (10.0.-.-), which happens when either on VPN, working…
Manieri
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Spagetti GPOs - All sort of Windows Firewall settings that ultimate disable in favor of Kaspersky

I'm on the newer side when it comes to managing GPOs. I'm trying to clean up an existing domain that is a bit of a mess, too many different folks have put their hands in here over the years, and these GPOs have gone through server upgrades from…
Sam K
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Firewall stuck on expand

Ive been having some issues trying to open the Windows Firewall Advanced. It just gets stuck with a "expand" window: expand image Ive been searching a lot on google trying to debug this. If i run a gpresult -z i get a Access Denied, which would seem…
Max Brown
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Port scanning and Windows Firewall

I am trying to understand the results I am getting when scanning ports on a machine that has an active built-in Windows Firewall. My test environment has two Windows 7 machines running in Hyper-V VMs connected directly with an internal virtual…
David
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Set Windows Firewall to Stateless?

Is there a way to "dumb down" the Windows Firewall on Win2003 or Win2008 from stateful to "stateless", and have it only do basic port filtering on the public interface? If not, is there a simple, stateless software firewall I can replace Windows…
martona
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RDP Restrict Administrator by IP

I have a few internet facing Windows (2008 R2) RDP servers and a user that I only want them to have access to the RDP server when they are on our local subnet, but allow the other users to have external access. Is it possible to limit the RDP…
drg
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Windows Firewall Rule to Allow RDP Traffic For Authorized Users

I have been tasked with allowing a specific user the ability to RDP a workstation over our VPN connection. The user is already in the list of permitted RDP users on the workstation, however our firewall is set to deny all inbound connections by…
D Martin
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TCP packets dropped in ipv6 loopback

Just logged in to a Windows host, I noticed an unexpected CPU usage. I quickly found out the processor was being hogged by the Windows firewall services. I enabled logging, and I started to see sheets after sheets of dropped TCP packets, with…
aledeniz
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SQL server 2014 firewall settings

I have a SQL server 2014 instance running on Windows 2012 R2. If I turn off the Windows FW for domain, I'm able to connect to the SQL instance remotely using SSMS. If I turn it on, I cannot connect. I get an error stating the connection timeout has…
D.Ox
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Evaluating properties of GPO-created firewall rules in a script

On a Server 2008 R2 machine, I would like to use Powershell to query the list of "remote addresses" for a specific rule. The rule in question has been created through a group policy applying to the machine. I know there is netsh advfirewall firewall…
the-wabbit
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urlacl and the Windows Firewall

Normally I use Linux Servers for my applications. Therefore I am quite new to the firewall system of Windows Servers. I have a C# application which needs to act as a HTTP Server. There are multiple ways of realizing this with different abstraction…
user2737037
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Windows Firewall causing connection throttling

I have an application running on Win8.1 (or WinServer2012, it makes no difference) that provides two HTTP server listeners in separate processes (one using HTTP.SYS via .NET HttpListener, the other using Microsoft OWIN and self-hosted ASP.NET…
Miral
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Windows Update Exception through Windows Firewall

We have a couple machines deployed to a retail environment and due to budget constraints, are limited to Windows Firewall as our firewall. We inherently block all outgoing connections, and whitelist what we need. Unfortunately, whitelisting…
Copy Run Start
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Website on IIS works on localhost but not from outside/via IP

I just created a Windows VM on Azure and installed IIS on it. I created a simple HTML file which works if you enter localhost but it's not accessible via the server IP. I googled for a long time and tried different tutorials/suggestions without any…
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