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

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2answers
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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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3answers
255 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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1answer
136 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
23 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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7answers
8k views

Can't block a specific application in Windows 7 Firewall

I am using Windows 7 64 bit and trying to block a specific application from accessing the internet using "Windows Firewall with Advanced Security" (wf.msc). The rule is set to be applied for all ...
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1answer
14k views

Windows Firewall - simple way to block an IP address that is scanning? User keeps getting locked

I am using Windows Server 2008 - fully patched. One of my user accounts keeps getting locked. It is easy enough to unlock it - but it is happening with increasing frequency - and the user is not ...
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2answers
4k views

Windows 7 Professional 64-bit Cannot Turn-on the Firewall Error Code 0x80070422

When I try to turn-on the Windows firewall, I get the error code 0x80070422 which states "Windows Firewall can't change some of your settings." I could not find any solution on Microsoft website. I ...
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0answers
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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0answers
12 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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1answer
2k 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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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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0answers
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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0answers
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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5answers
9k views

Windows Firewall is blocking Windows Update

I recently uninstalled ZoneAlarm and have decided to use Windows Firewall as my firewall as ZoneAlarm was causing me grief when I was syncing my iphone. Anyway, I've noticed just then that Windows ...
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2answers
86 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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0answers
20 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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2answers
7k views

Win 7 firewall blocking Filezilla Server from responding to clients

My Windows 7 firewall is blocking Filezilla Server from responding to clients. Adding it to the "Allow Program" list does not solve. It tested fine with Win 7's firewall turned off. Please someone ...
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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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0answers
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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0answers
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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1answer
53 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
157 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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0answers
694 views

Cisco AnyConnect VPN client - prevent connecting as work network

From Windows 7 I'm using "Cisco AnyConnect Secure Mobility Client 3.0" to connect to our corporate network. Every time I establish the VPN connection Windows will set the type as "work network". I ...
2
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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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1answer
2k views

Windows firewall blocks outbound connection that is allowed by a rule

I have configured Windows Firewall to block all outbound connections. I have then created "allow" rules to enable certains applications to create outbound connections. Unfortunately it seems that some ...
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2answers
76 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 ...
4
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1answer
521 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 ...
0
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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
250 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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0answers
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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5answers
21k views

Google Chrome giving error 138

Google Chrome randomly stopped working one day and is giving me this error: Google Chrome is having trouble accessing the network. This may be because your firewall or antivirus software ...
0
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2answers
614 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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0answers
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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0answers
129 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 ...
0
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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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0answers
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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0answers
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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2answers
267 views

Windows Firewall issues

I'm not sure whether this is a Windows problem or a .NET problem (i.e. whether it belongs here on on SO), but I've written a small HTTP server program in C# (using the .NET HttpListner class) which ...
2
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1answer
1k 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
55 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! ...
9
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2answers
909 views

Can I define my own “set of predefined computers” in Windows Firewall?

According to Microsoft, I can. Note: You can also define or select a set of computer from a drop-down menu that has a predefined set of computer. Refer to the Windows Firewall with Advanced ...
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0answers
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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1answer
199 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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0answers
124 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

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
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 ...