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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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Is there a way to diagnose *where* comms to a port on a windows machine is being blocked?

I am developing a system that comprises an email server. I have so far been unable to connect on port 25 (using telnet), despite having checked the following are set up correctly. Connections to port 80 work fine: Firewall exceptions (Windows and…
gbro3n
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Windows 8 - Firewall Issues from Command Line

I created the following script basically to block absolutely everything and only allow through what I want, however it's not allowing through what I like in regards to the internet. Can anyone see an issue with my rules? Currently they are pretty…
Brendan Thompson
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How does a Virtual Server handle Firewalling in relation to its host?

I have a host server running Windows Server 2008 and on this I have a Virtual Server (using Hyper-V) running Windows Server 2003. The Virtual server hosts websites specifically. I am trying to use the Windows Firewalls on them (Host and Virtual…
R3XL
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Server 2k8 Port Issue?

I am having an issue, I have configred wf.msc to allow the following ports through: 80, 443, 3306, 1433, 21, 22, 8889 My report is showing that most are not open and/or listening, let alone established. I'm trying to get this server setup for…
Kevin
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Does Windows Server 2008 R2 firewall ipsec tunnel encapsulated data in one port?

Today I have the following setup: All my servers are located in the internet, they are protected by Windows Firewall and Advanced Secutiry using IPSec with certificate. It includes the Domain Controllers. All the clients computers have a GPO and…
Nock
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Windows Firewall - How to block all international traffic?

We have a web/database server on Amazon AWS and I have recently discovered it is getting a ton of attack attempts from various international IPs. After checking a few they mostly seem to reside in China. This is causing performance issues and…
Matt Penner
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Block incoming DNS queries using netsh advfirewall

How do you do this with Windows firewall? iptables -I INPUT --in-interface ! lo -p udp --dport 53 -j DROP Ideally, if you can do this with netsh and so that it will survive whatever it is that Microsoft does with "Add Role". (Most of the net…
Des Cent
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Disable firewall for all network profiles on Windows Server 2008 R2 through GPO

I've been trying to disable firewall on a number of Windows Server 2008 R2 machines for all network profiles using GPO, but it seems to be working only for domain profile so far. In Group Policy Management mmc on W2k3 machine, when I try to edit GPO…
Volodymyr Molodets
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Binding IIS site to alternate IP not accessible remotely - OK locally - Windows 2008 R2

I have a Windows 2008 R2 server with multiple IPs (4 in total) associated with it. When I bind an IIS web site to one of the alternate ones I can browse too it locally but when I try to do it remotely, it times out....no messages in log etc. Does…
user166558
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Can a firewall partially block a package?

We have just recently been doing an extensive testing of a certain in-house program (called SPARE) for handling spareparts. The idea is quite simple. Each node has a database on a server and through a replication service all databases are up to date…
Sandokan
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Unable to reach Terminal Apps and Ping to VM server 2008

We have Domain Controller Group Policy Set to Disable Firewall on All computers within Domain, because we have Syamntec end point Protection enabled. The problem now is, since Windows Firewall is Disabling automatically because of GPO, WE cannot…
chaladi
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Blocking websites on Windows OS machine: registry vs firewall

When attempting to block a particular website (e.g. www.facebook.com) on a Windows XP 64bit Professional SP3 machine there are a number of methodologies that can be employed. Some methods are clearly weak (blocking through Internet explorer) but it…
Stumbler
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How to add port exception range via group policy

I am currently working in a Windows Server 2003 environment. We've recently picked up Spiceworks and are having some issues getting all of the machines on our network scanned properly. So far it seems to be an issue of simply getting all the right…
cidbahamut
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Cannot modify port number for a newly added firewall inbound rule

Using a stand alone Windows Server 2012 Standard edition (no Active Directory), I succeded to add a new rule to allow sql server connection, by entering the .exe file When I edited the rule property to specify the port number, text zones for ports…
Sami-L
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Windows Firewall allows connection from any IP regardless of rule that only allow a specific IP

I have configured the Windows Firewall to Block (default) incoming connection on the public profile. I have created a rule for a port (in this case, this is Sql Server) that explicitly states that only my office static IP is allowed. If I test…
Pierre-Alain Vigeant
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