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

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Windows firewall - opening ports by specifying .exe

Normally, you open ports by specifying port number and the protocol - either TCP or UDP. However, Windows allows me to add exceptions by specifying the executable file. How does it work? What happens ...
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2answers
794 views

Windows Firewall prevents File and Printer sharing from working

I have a domain-joined machine (Win2K8R2) that I'm using at work, and I'd like to copy some files to my personal machine (Win7) that is currently not on the domain. If Windows Firewall is enabled, I ...
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2answers
708 views

How to lock down Win Vista Firewall for HTTPS only access?

When I'm on public WiFi (laptop), I want to configure my firewall through its advanced settings to allow only HTTPS web traffic. My first attempt was to block incoming and outgoing by default, then ...
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2answers
115 views

Firewalling VirtualBox: restrict host inbound connections to guests only

I have Windows7 + Cygwin and VirtualBox. I would open a listening port on the host accepting only inbound connections from the VMs. Note: In many case the server services running on the host can be ...
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2answers
5k 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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1answer
1k views

Windows Firewall fails to launch, error 5 - like KB943996, but fix not working

Environment Windows 7 Professional SP1 PL, domain-joined. Problem Since 2014-06-12, several of our computers (but definitely not all, not yet at least) embraced a problem with printer sharing, ...
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1answer
6k views

What's with Windows Firewall warning me about wuapihost and prompting about access?

I'm running Win 10 on a little HP Stream 7 tablet and after waking it from a sleep of a whole day got a strange warning from Windows Firewall. It was telling me 'wuapihost.exe' was trying to access ...
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1answer
2k views

Windows Firewall inbound rules still blocks ports

I applied inbound rules for port: 1935, as well as outbound. When I check on canyouseeme.org, it says it (port 1935) times out. When I completely turn off Windows 7's firewall, it works without a ...
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1answer
293 views

Windows 8 - can I have different firewall rules per different WiFi networks?

I would like to have different firewall rules for different WiFi networks. Is this possible with the default Windows 8 firewall?
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1answer
2k views

How to disable 'hidden' Windows Firewall Filter?

I have used the command "netsh WFP Show State" to dump to disk (wfpstate.xml) a list of all active windows filters, and found a filter called "Port Scanning Prevention Filter". For diagnostic purposes,...
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1answer
2k views

Windows Firewall Configuration for Blocking Internet Access

I have a PC and a laptop. I would like to make my PC act as server and my laptop as a client. I want to implement a freeware HTTP proxy (freeproxy 4.10) on my PC so that it can filter certain web ...
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1answer
2k 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
179 views

Why does the Windows Firewall ask to unblock an application that has no incoming connections

I have an application that connects to a License Server. The application triggers the request to allow connections on Windows XP and up. No matter whether I block or unblock the application, it gets ...
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1answer
1k views

Windows 7 - Can't get response from local servers after restart - Always timeouts

After a long uptime and the installation of some Windows Updates no local server is working. My development system is a Windows 7 x64 Professional installation. I had a full working XAMPP set-up ...
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1answer
1k views

Change Scope of File and Printer sharing firewall exception in Windows Vista

Windows XP was easy in this regard, go to properties and change scope of "File and Printer Sharing" in Windows Firewall and just change the scope easily but in Vista I have to Windows Firewall with ...
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1answer
330 views

Help with Zone Alarm Firewall?

I have Windows XP on which I want to allow inbound access. My ISP has given me static public IP address but I've had this strange problem I can not somehow access my system from outside. I have ...
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1answer
123 views

Outpost Firewall asks every time one specific application tries to access to network

One of installed applications on my PC tries to send UDP packed. Outpost warns me about this. I say that Outpost should allow all activity for this application. But next time application wants to ...
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1answer
27 views

Share internet with only one computer in LAN in windows7

How can I share internet connection of a computer in LAN with another one. All other computers in the LAN should not be able to access internet. All are running on windows 7. Is it possible?
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1answer
17 views

How do I enable or disable Windows Firewall rules using the command prompt?

I have some rules that I want to be toggled on and off. In Windows 10, how do I enable/disable these rules using the cmd prompt?
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1answer
29 views

Cannot set ports to listening even though they have been opened Windows/Ubuntu

Currently trying to set up a connection (using sockets) between my localPC (windows) and my VM (Ubuntu). They are both on the same subnet and can be pinged. Went into Windows features, advanced ...
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1answer
15 views

Command to request EXE for Windows firewall name?

On Windows 7, I can use the following command to get information about a firewall rule: netsh advfirewall show rule name=foobarTCP yields: Rule Name: foobarTCP ----------...
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1answer
275 views

Connecting via Remote Desktop to machine with Public network location?

I have two Windows 7 computers connected on the same network via a switch. I'll call one "local" and the other "remote". When I connected the remote computer to my network I chose the network ...
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1answer
182 views

some websites not opening on one network, but on other

i faced this weird problem with my network, i have two networks one is say NetworkA, other is by say Network B.... When i try to open the website wordpress.com and wordpress.org, they dont load ...
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1answer
305 views

Disable Fortitoken on a Fortigate Firewall

I made an error while configuring my admin account on the FortiGate 60d and enabled forti token for 2 step authentication. Thing is I enabled the wrong token and I do not have that device with me. Now ...
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1answer
155 views

Blocking a specific application's access to a specific domain

I want to block a specific application's access to a domain. I would normally do this by adding the domain to my hosts file and having it redirect to localhost, but that will disable all applications' ...
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1answer
272 views

Prevent unauthorized network connection

Can another computer (connected to Network B) gain access to my computer (connected to Network A through wifi) via any means? How can I protect myself from such unauthorized connections? I have the ...
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1answer
447 views

Unable to change Windows Firewall settings

I am unable to access the settings for Windows Firewall on my Windows 7 32-bit computer. I go to System and Security (Start > Control Panel > System and Security) and click on Windows Firewall, but ...
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1answer
360 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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1answer
859 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 ...
0
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1answer
191 views

Windows XP - Windows Update Blocked by company firewall - Can't install driver

My company has blocked Windows update site at the company firewall. However, that also means Windows XP is unable to search on the Microsoft update site for drivers. Therefore, none of the USB devices ...
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1answer
234 views

ICS for only Specific IP using Firewall

Can I share internet connection just for a couple of specific IPs instead of whole Local Area Network (static IP assigned to all machines). If it's not possible using windows default firewall, is ...
0
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1answer
135 views

Automate Windows Firewall “Restore Defaults”

I have several computers that are deployed in my network right now. THey were deployed with a strange issue not allowing remote assistance. The 'fix' is to click the "Restore defaults" link in the ...
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1answer
272 views

Windows vista firewall exceptions unchangeable

I want to allow a program (iTunes) through my windows firewall, so i check it in the program or port list under the exceptions tab (in my windows firewall settings), then i click OK. When i reopen the ...
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1answer
154 views

SEP firewall rule import via .xml ?

I've got a Windows Firewall rule defined like below table NameGroupProfileEnabledActionProgramLocal AddressRemote AddressProtocolLocal PortRemote PortAllowed Computers SpotifyRuleOutbound  &...
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1answer
44 views

Windows firewall disable without domain

how to globaly disable Windows firewall on all client's PC from Windows Server 2012 R2 without domain? It is possible? Thank you Dyno
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1answer
2k views

Windows 7 Firewall blocks incoming connection even though there is an “allow” rule

I'm running a (.net WCF) HTTP Service on 0.0.0.0:60001 and a remote client - on the same network - can't connect. Looking at the windows event log, i can see two related events: Event ID 5152, The ...
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1answer
57 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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0answers
83 views

Cannot unblock Windows firewall port for specific program

I am developing a custom server application hosting HTTP (though not HTML) requests on port TCP 5123. If I add a Windows firewall rule to allow incoming connections to this port for any program then ...
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0answers
29 views

How do I regain connectivity to a Windows Server after calling Powershell cmdlet Remove-NetFirewallRule?

I have some servers on AWS cloud. I accidentally invoked the PowerShell command Remove-NetFirewallRule and this has completely locked me out of the server. The server is joined to a domain. I have ...
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0answers
298 views

Block any connection in the Microsoft Loopback Adapter with Windows Firewall

What (inbound?) rule should one add in order to block any connection running inside the Microsoft Loopback Adapter? Is that even possible? I heard that almost for the default loopback (127.0.0.1) any ...
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44 views

Why my connection in SSH is failing?

I am having trouble with making a connection through SSH Secure client in Windows 8. For making this connecition I am using VPN client and it makes the connection that I want but when I try to make ...
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0answers
222 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
407 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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0answers
194 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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0answers
70 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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0answers
35 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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0answers
71 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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437 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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0answers
3k views

Windows 7 firewall - how to block outgoing connections except login to user domain?

I tried a great tool Windows Firewall Notifier for helping managing all outgoing connections in Windows 7 firewall. More here: http://www.howtogeek.com/113641/how-to-extend-the-windows-firewall-and-...
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0answers
2k views

Windows Firewall is blocking connection sharing (ICS)

How do I keep Windows Firewall from blocking Internet Connection Sharing, or just permanently disable Windows Firewall? Everytime I plug in a computer into my network card Windows Firewall turns ...