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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 Advanced Firewall: What does "Edge Traversal" mean?

this should be a really simple one: In Advanced Windows Firewall on Windows Server 2008+, Properties > Advanced, what does "Edge Traversal" mean? I Googled it, of course, and was unable to come up with a concrete answer, and I was especially…
Django Reinhardt
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Windows 10 - Disable warning notification about disabled firewall via GPO

Is there a way to disable the warning that is displayed in the notifications area, telling you that the Windows firewall is disabled? Edit: We would specifically like to achieve this via group policy, not a manual process. We disable the Domain…
James Edmonds
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Whats the difference between local and remote addresses in 2008 firewall address

In the firewall advanced security manager/Inbound rules/rule property/scope tab you have two sections to specify local ip addresses and remote ip addresses. What makes an address qualify as a local or remote address and what difference does it…
Ian Murphy
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How can I use netsh to find a rule using a pattern

I'm wondering whether anyone in Microsoft has ever come to a situation where they can't remember a rule's name! The netsh advfirewall firewall show rule only accepts 1 name and no pattern matching facility is available on netsh to help find a rule…
Achilles
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What can be done to properly re-enable the Windows Firewall on a domain?

BACKGROUND/RESEARCH I honestly believe that questions like this one: Using GPO in Active Directory domain to force workstations Windows Firewall to disabled - how? existed because Windows Admins in general were taught long ago that: "the easiest…
TheCleaner
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"Predefined set of computers", where to define?

In windows 8/10/Server 2012/Server 2016 "Windows Firewall with Advanced Security", when defining allowable addresses, I can select addresses/subnets, address-ranges, or a pull-down with "Predefined set of computers" I'd like to bundle all our…
Lenne
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How can I back up my recommendation to NOT disable the Windows Firewall service?

I know from direct personal experience that disabling the Windows Firewall service on post-XP systems can lead to all sorts of networking problems, and that the proper way of disabling it is by configuring it to not block any traffic, yet leaving…
Massimo
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How to add subnets to Windows Firewall "local subnets"?

On Windows Firewall under an individual rule the scope tab allows you to define which ips are subject to the rule. One of the built in options is "Local subnet". How can you add an additional subnet to this for windows to understand it is a trusted…
Chris Marisic
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Windows Firewall rule based on domain name instead of IP

I'm trying to allow a service to a set of machines via Windows Firewall. I'd like to add my home machine to the firewall but my home machine has a dynamic ip address. I use dyndns so that I have a hostname which I can always connect to. So I'm…
Denny Ferrassoli
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How do I get IIS working and accessible outside my network behind a router?

My machine is running Windows 7 Ultimate. Here's what I've done (successfully) so far: Installed IIS 7.5 with PHP over FastCGI Got it working! When I go to http://localhost/index.php , my PHP scripts run fine. Ran ipconfig to find out that my local…
soapergem
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How to know currently open ports on the Windows Firewall?

On Windows XP and Windows Server 2003, I can know currently open ports on the Windows Firewall using the following command: netsh firewall show state However, on Windows 7 and Hyper-V Server 2008 R2, when I give that command, it says: No ports are…
QIU Quan
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Do new Windows firewall rules affect currently open connections?

If I added a rule to windows firewall that blocked an ip or port currently used by an open connection, does that rule take effect immediately or only after the connection were closed? I.e, If I have an open ssh session and then block port 22, would…
theeddieh
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Windows Firewall - blocking IP address ranges en masse - performance considerations?

One of our services is an extranet for the exclusive use of our 200 employees across the UK. We're seeing a huge number of login attempts from China, Russia, Ukraine and Nigeria. I have large lists of IP ranges that I would like to block. There are…
SimonGoldstone
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Inbound Windows Firewall Core Networking Rules

I've just purchase a Windows Server 2008 R2 VPS plan and I was alarmed to see the default configuration had Windows firewall disabled. I've enabled the firewall and disabled most of the inbound rules, but I have some uncertainty about the rules in…
Paul Keister
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Teamviewer VPN blocked by Windows Firewall

I am using Teamviewer 9 and would like to use the VPN option. I installed it all and it works perfectly only if I turn off the Windows firewall on my VPN target. Teamviewer.exe ia already allowed through. Does anyone know what rules I need to setup…
Gary Varkonyi II
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