Windows Firewall is a basic port filter built into the Windows OS.

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How to block all applications from accessing a connection in Windows 7 firewall?

I consider myself quite tech-savy but this one gives me real pain. I've connected to VPN through PPTP and I'm attempting to set up firewall rules to block any application from using it. Essentially, ...
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103 views

Windows Firewall: Limit Google Chrome to only local network connections

By local network, we mean within the subnet of the computer in question. The idea is to disallow browsing of internet web pages, while allowing ones served locally. Disallowing a particular local ...
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3answers
846 views

If you block an .exe file in Windows Firewall, are you also blocking the .dll files it uses or it needs to be done separatly?

Let's consider this scenario: There's some X software downloaded from the internet with one .exe file and several .dll files. The .exe file is prevented from accessing the Internet by using Windows ...
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233 views

Wifi Router Not Working While Windows Firewall Is On

I buy a Wifi Router and setup. All is running good, but just 3 issues: Issue No 1. On my pc (Local server) I edit host file like below: 127.0.0.1 example.com so, on my browser, if I enter ...
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1answer
682 views

Unable to surf with Ease due Certificate Requirement or virus

I am trying to surf the internet but for any link which I type or enter, I get the following message : This Connection is Untrusted You have asked Firefox to connect securely to accounts.google.com, ...
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2answers
5k views

Firewall setup for ftp traffic on Windows Server

I have a Windows Server 2012 R2 which needs to retrieve some files through FTP from a different device. If I turnoff the firewall completely, the transfer is successful. With the firewall up, the ...
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1answer
34 views

Can a Windows program tell if it is in the firewall rules?

Of course no program should be able to add itself but are the firewall rules readable by non-privileged applications? I have an application which needs to be added to the rules for a special ...
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3answers
4k views

Allow dropbox through windows firewall when everything else is blocked

Using this solution I've blocked all internet access with windows firewall and made an exception to allow local subnet traffic through the firewall. How would I allow dropbox through the firewall as ...
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59 views

Finding out who enabled the firewall

I'm trying to find out which process or user changed the firewall from Off to On. So I've issued a query to LogParser: SELECT timegenerated, EXTRACT_TOKEN(Strings,1,'|') AS Domain, ...
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116 views

Inbound Firewall Rule Not Allowing Traffic When Program Specified

I am trying to establish a firewall rule that allows incoming traffic to my application. However, the rule does not appear to be allowing the traffic as desired. I am using netsh to establish the ...
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1answer
424 views

Is there a limit to the number of IP addresses for a Windows Firewall rule's Scope?

I've got a Powershell script that adds IP addresses trying to run brute force attacks on my server to a firewall rule that blocks them from accessing it. Recently it stopped working, and started ...
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1answer
608 views

How to Block ALL incoming/outgoing internet traffic EXCEPT streaming to an Xbox?

How can I block all incoming/outgoing internet traffic except streaming to an Xbox 360? For the past few weeks, streaming video files from my PC to my Xbox 360 has started failing, with the videos ...
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1answer
61 views

Does Windows Firewall have a log?

I am trying to set my router to forward three of my ports for EchoLink. But I'm having trouble with it. I'm Using the PFPortChecker to see if the ports are open, it says they aren't, but to check my ...
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2answers
1k views

I can ping a Windows XP PC with the firewall off but I can't when the firewall is on. Why?

For the ping command, I have read (e.g. try this link), there's no port required. Yet I have a PC on my network which I cannot ping. Strangely, I can connect to using Remote Desktop. However, I am ...
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2answers
251 views

New Desktop Computer, Internet SLOW but We pay for 65mbps

I'm so confused, my internet on my new lenovo k450 is incredibly slow, speed test is reading 1.15mbps (on average). We pay for 65mbps (I believe) with comcast - this is what the connection speed ...
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2answers
999 views

Does Windows 7 re-enable Windows Firewall after removing from domain?

We have the following GPO's configured for our default domain policies: Computer Configuration\Policies\Windows Settings\Security Settings\Windows Firewall with Advanced Security\Domain Profile ...
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1answer
74 views

How to check company firewall

I am trying to ping to an external APIs IP address. But the command times out sooner than its completion. Now I think the company firewall and proxy might be a hindrance in this. How do I check the ...
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1answer
2k views

netsh, block all IP addresses in a text file?

Is there a way for me to import a .txt file (with IP addresses on each line) into Windows Firewall? I want each of the IP addresses to be completely blocked. That would also provide an easy way to ...
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56 views

Is it possible for Outdated Infiniband Firmware to prevent Firewall Startup

My general question: Is it feasible for a NIC Firmware to prevent Windows OS Firewall services from successfully loading upon bootup? Explanation of situation: I have been experiencing the darnest ...
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1answer
1k views

How to block programs in windows 8 firewall correctly?

I am new to Windows 8, Generally using Ubuntu and/or OpenSuse, and Windows 7, My new laptop came with Windows 8 - 64bit. Anyway normally in Windows 7 when I want to control access for specific ...
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1answer
6k views

Why does Windows Firewall want to block Google Chrome today?

I've been using the same public Wi-Fi (staying in a guesthouse) for over a week now. But this morning for the first time I got this puzzling warning from Windows Firewall: Why does Windows ...
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26 views

Windows 8: Block Internet except for all but two programs [duplicate]

Question marked as duplicate, as is nearly every other question about blacklisting and whitelisting. Some of these questions are different because: 1) XP has a different firewall than Vista/Win7/Win8 ...
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1answer
71 views

How to know at what point a request fails on Windows 8

I'm testing a small script on Windows 8, which tries to fetch a simple web page on port 80. However the network connection fails everytime with error 10053. I thought initially of a firewall problem ...
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1answer
224 views

Windows Server 2008 - Is it possible to allow traffic by MAC address

I need to be able to access my webservers from outside my office and don't want to update the IP every time my dynamic IP changes. Is it possible to create an allow rule by MAC address? Thanks! ...
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28 views

Malware transmitted over network

I am doing some tests in my second computer which involve dropping the firewall and antivirus. I'm trying to isolate the 2 systems so malware can't jump between them. Both systems have win8 ...
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265 views

Remote Desktop from Windows 8 cannot connect

In my home I have two computers, one running on Windows 7 and the other one is on Windows 8. I am able to connect my office computer using the Windows 7 computer. But I am unable to connect using my ...
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1answer
515 views

Mystery firewall? Checklist for diagnosing blocked incoming connections

I'm running a web server for development on a Lenovo Thinkpad T420s, and I cannot connect to it from three separate devices (desktop, iPad, and phone, respectively). The laptop and other devices are ...
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43 views

Windows 8.1 - windows update doesn't work with outbound connections that don't match a rule, blocked [duplicate]

I would like to ask for some support. I've installed windows 8.1 just to check it a bit. Within windows firewall i wanted to block all outbound connections which do not match a rule but windows update ...
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1answer
295 views

Windows Firewall: How to create a rule that allows a program through a specific remote VPN connection?

Let's say there is an application analysis_data_upload.exe, that must only be run when a machine is connected to one specific VPN with a dynamic IP that is resolved via a static domain name. Given a ...
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1answer
52 views

Windows Firewall Annoyance

I dont know why , but my firewall isnt letting anything except for internet explorer connect to the internet, including Windows updates. Whenever I try to open the firewall, it simply says " Due to an ...
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58 views

Can I prevent programs to open port in windows firewall?

When Windows Firewall is activated, newly installed programs open incoming ports. Can this be prevented somehow?
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1k views

windows 7 firewall blocks edge traversal(port forward from router)

I am trying to set up a website on my windows 7 machine. I opened a 'inbound rule' in firewall to open port 8000. When I try to visit the port from another computer in my home network, it works fine. ...
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1answer
3k views

Does disabling the 'Windows Firewall' service actually work?

When I go the 'Windows Firewall' section of the Windows Control Panel, I'm told "For your security, some settings are managed by your system administrator. If I click 'Turn Windows Firewall on or ...
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96 views

Allowed Programs in Windows Firewall

If I have a program X installed that is not part of the list in Control Panel\System and Security\Windows Firewall\Allowed Programs - does that mean it is blocked? If not, when I click on 'Allow ...
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1answer
651 views

Duplicate rule in windows firewall

Let's say you have two rules, one that block and the other that allows the connection from the exact same IP. Which rule takes precedence? Here is some context: I created a script that will block any ...
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1answer
163 views

Windows 7 Firewall configuration

I had a PC set up with a VPN. I used the Windows 7 firewall to block all NON-VPN traffic to the internet, but all LAN traffic was allowed. So, with the VPN connected I could connect to all networked ...
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301 views

IIS not working on public IP

I forwarded port 8080 to my local IP, and set in IIS that port is 8080, and when I type 192.168.1.123:8080 it is working, byt when I type like public_ip:8080 it isn't. I added inbound and outbound ...
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1answer
2k views

How to reset Windows 7 Firewall in SafeMode?

In attempt to block the certain countries from hitting my personal computer, I have made a big mistake of adding thousands of block rules in the Windows Firewall. I got the script from ...
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2answers
4k views

How make windows 7 firewall block all traffic

How can I setup windows 7 firewall so that it blocks ALL inbound and outbound traffic of all kinds, unless I am connected to a network that is designated in network options as public? I'd like to ...
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2answers
238 views

Windows 8: how to modify an default firewall rule?

On one Windows 8 computer I modified the Remote Desktop Port. The default port is 3389. I set it to 1234. Now I want to tell the firewall to open the 1234 port. I could just create a new firewall ...
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2answers
1k views

Windows Firewall's Advanced Security mode has gone in Windows 8

With Windows 7, I was comfortable with the Advanced Security options of Windows Firewall. I could selectively disable specific executables to prevent them accessing the internet. Now I have upgraded ...
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1answer
505 views

Cant start Windows Firewall from control panel

I have a weird problem. I try to open the Windows Firewall settings through the control panel. What i do, basically , is to click on Control Panel > System and Maintenance > Windows Firewall. Well ...
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1answer
3k views

Windows could not start the Windows Firewall on Local Computer

I've been unable to start my Windows Firewall service for a while now. How can I get it to start? When I try through the Services manager (services.msc) I get this error: I am running ...
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2answers
4k views

How to Make One Exception to a Windows Firewall Outbound Rule

The current situation: I disabled network connectivity to a particular IP on my Windows computer. In other words, if my system tries to connect over the internet to that specific IP address, it will ...
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1answer
4k views

Import Export specific Windows Firewall Rule

How do I Export and Import specific Window Firewall rule (both Inbound and Outbound) ? I can do Import / Export policy but it will use ALL rules not specific rule. Same with Export List, it can ...
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1answer
2k views

Windows 7 Firewall blocking packets when it is not running?

I stopped Windows 7 Firewall in Services, but it (or one of its minions) is still dropping packets. I am trying to use rtiddsping (custom ping for the DDS framework I'm using) to debug a DDS ...
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1answer
4k views

Windows Server 2008 Firewall - Allow RDP (3389) only from specific IPs

I have a Windows Server 2008 which I would like to access via RDP on port 3389. I make a forwarding on my router, but I would like to allow only my IP to access the port 3389 on the Windows Server. ...
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2answers
4k views

How does telnet get through the windows firewall?

I activated the Telnet client in Windows 7 and was instantly able to connect to servers although Windows Firewall is activated. How does that work? Shouldn't the firewall block outgoing connections ...
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1answer
5k views

What Does This Windows Firewall Rule Do?

I found and implemented this code that adds a rule to Windows Firewall. It supposedly speeds up YouTube streams. Can someone explain what is does in terms of request/response? I'm not seeing any ...
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1answer
84 views

What does Windows Firewall do if I don't add a specific firewall rule?

Suppose I have a program which needs to connect to the Internet in order to work. Let's also say that I only want this program to communicate on private networks, so I add a firewall rule allowing it ...