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

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Opening port 8080 on Windows firewall

I am not sure if I am just missing a trick here and it will be something rather simple, or if I am trying to do something that just isn't going to work.. Anyway, I have an asp.net site and I am using ...
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2answers
31 views

The Windows Firewall won’t run on startup

For some reason, the Windows (7) Firewall will not run on startup. When the security center starts, it reports that the firewall is not running and prompts me to start it. I click the flag to start it ...
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1answer
137 views

Can't remote desktop into my computer if firewall is running

Both are Windows 8.1 in local network. Remote access is enabled, firewall rule is enabled: Nevertheless, I am unable to RDS into this computer if firewall is running. I can RDS into if I turn of ...
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1answer
25 views

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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17 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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13 views

Windows Firewall: how to block all internet traffic except ones to/from Windows Update and Antivirus update?

Should it be done via block all except Windows Update & AV Update internet IP addresses; or block all except Windows Update & AV programs (is this possible to do?) If so, how? And if ...
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3answers
54 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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25 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
48 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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20 views

Firewall issues with GBRIDGE = spawning another executable file

So i'm just trying out GBRIDGE .. I'm using windows firewall only, w/ windows firewall notifier app on my Win7 machine.. I have added the GBRIDGE exe to my firewall exemptions: C:\Program Files ...
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2answers
92 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
21 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
273 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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15 views

Windows Firewall rules priority

I can not understand how to order the windows firewall rules. I have a "allow" inbound rule to a specific program and TCP port to all the network. Than I want to block just one ip address to the ...
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40 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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21 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
55 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
162 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
38 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
62 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
57 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
80 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
33 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
255 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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38 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
82 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
542 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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23 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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131 views

Windows 8.1 cannot block UDP connection?

I installed a BT software, which requires both TCP and UDP inbound connection. But my router is very weak. If the UPD/Tx goes up over 100, the router will die. And Windows does not have a function to ...
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22 views

Allow Windows Update with Firewall set to block all outbound [duplicate]

I'm using Windows 8.1 and I have blocked outgoing connections with the builtin Windows Advanced Firewall. Windows Update isn't whitelisted by the default outgoing rules list. How do I allow Windows ...
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1answer
34 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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55 views

WIndows firewall rule to receive nbtstat information

I'm using nbtstat.exe to gather MAC-Addresses of machines in my domain. I'm only able to get a result, if the firewall is turned off on the clients! Output if firewall is turned on: Microsoft ...
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1answer
58 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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26 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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125 views

remote desktop 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
200 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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41 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
179 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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141 views

Firwall blocks TFTP over OpenVPN

I have to access a private network with OpenVPN. There is a TFTP service running in that private network. When I try to transfer a file the Windows 7 firewall drops all incoming packets. The TFTP ...
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118 views

How do I reset my inbound and oubound list on Windows Firewall?

How do I reset the inbound and outbound rules in Windows Firewall? It changed the list after installing a program called "Tinywall". Before it lists programs like mozilla firefox, chrome, etc., now it ...
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1answer
47 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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44 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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73 views

How do I block myself from SSH tunneling

I use Bitvise SSH client to create a SSH tunnel, which can be accessed via a local SOCKS proxy. In this way, I can bypass the web filter I set up for self-control purpose, which is a bad thing. How ...
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1answer
475 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
1k 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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235 views

Windows Server 2003 - Block outgoing traffic of program

I need to run a program on Windows Server 2003. I need all in AND out traffic to AND from this program to be blocked, EXCEPT if the origin/destination is 127.0.0.1. I have to only block this one ...
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1answer
70 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
208 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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0answers
71 views

Change Windows 7 firewall settings based on WiFi SSID?

Now that we're starting to use portable HotSpots (MiFi) more, we need a way to disable certain application's data usage while connected. Is there a way to modify the Windows 7 firewall configuration ...
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1answer
120 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 ...