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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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Given 'Windows Firewall with Advanced Security', why is there a 'Windows Firewall'?

Windows Server 2008: why on earth is Microsoft giving us two firewalls within the OS?
justSteve
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Rule Inheritance for Windows 2008 Firewall Management With Group Policies

When defining new firewall rules with Group Policies in Windows Server 2008: Does adding a single rule to allow traffic disable all other rules that were present locally on the client computer? Does it inherit on a individual rule basis. For…
Kyle Brandt
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If I reset the Windows Firewall with netsh will programs re-prompt for access?

If I run the following command: netsh advfirewall reset The windows firewall will get flushed back to it's defaults and looses any program specific rules. Will programs that require firewall access start prompting the user after the reset is…
Bob
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How to migrate WIndows Server 2008 firewall exceptions to a new environment?

How to migrate Windows Server 2008 (and Windows 7) firewall exceptions to a new environment? Specifically: SQL Server Subversion remote access? Is if possible to use scripts like powershell? Thanks!
Oscar Cabrero
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windows firewall broken on server 2008

This evening I tried to rdp into my server 2008 box and was unable to. After poking around some I discovered that something is awry with my Windows Firewall. I did install 5 windows updates remotely earlier today but rolled those back in an attempt…
Chloraphil
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Windows Server - create firewall rules from network trace?

A good basis for firewall rules would be Zero Trust - only allow what is needed. But in many cases, you do not know all the needed rules for a server connection. As a result in many evironments, the windows firewall is either disabled or poorly…
David
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netsh advfirewall import resets connections

On Window Server 2022, if I run this: netsh advfirewall export"C:\firewall-rules.wfw" then, straight away run this: netsh advfirewall import "C:\firewall-rules.wfw" Meaning I export all current rule, then without changing any rules, import the…
Matt
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How to block all traffic except established/related in windows

How would you create this configuration in the windows Netfirewall? sudo iptables -P INPUT DROP sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT sudo iptables -A INPUT…
mbrain
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Configure Windows Firewall to block IPs listed in Spamhaus.org

Since having suffered a hack twice on my email server, the last one VERY severe, I have been VERY proactive in monitoring my logs and taking appropriate action when I see attacks. I've installed MalwareBytes for servers and this software has been…
Prescott Chartier
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Disable or Remove Local Firewall Policies

We recently had a few VM's provisioned but I didn't realize firewall settings were baked into the local policies, see below. These are Windows 2019 instances. A lot of the rules set are for services we're not using, or for servers we don't interact…
jrd1989
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Disable Windows Defender Firewall pop up for a target folder

I'm encountering an issue with the Windows Defender Firewall every time I compile and run my Go program. It seems that the program's use of sockets is triggering the firewall each time a new version of the program is compiled and run as a new .exe…
shellwhale
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Could not establish WMI connection access is denied

I set up a lab to test domain joining multiple computers with a script from Microsoft. After I ran the script it came back with could not establish a WMI connection with the computer with the following error message:access is denied. There are two…
Hagen_21
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Do I need to restart a daemon after creating a Windows Firewall rule?

I have a daemon running in a Windows Server 2019 with blocked outbound traffic. I have a firewall rule for the daemon's executable that allows outbound traffic and it is working well. But as part of a periodic automatic environment refresh, I delete…
zisk0
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Global exception for AppContainerLoopback filter in WFP

So I learned today that UWP apps (which are being ran in AppContainers) do not have access to localhost at all. So if I run a native win32 app that listens to 127.0.0.1:555 I cannot make that connection from UWP app (unless it is started in the…
Digika
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No domain profile in Windows Defender Firewall

We've moved from an on site server to online at our company, and we've had our user profiles rebuilt on our PC's so that we use Azure based profiles instead of domain profiles. I'm having issues trying to get some programs to connect to the…
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