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

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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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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
81 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 ...
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1answer
4k 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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2answers
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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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How to setup Windows 7 firewall to work like a normal personal firewall?

Since Windows 7 already comes with its own firewall, I prefer not to install a 3rd party one. However, when I started trying to set it up, I quickly discovered that it's much less user-friendly than ...
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1answer
4k views

Configure Windows Firewall to allow DHCP client and specific remote IPs only

I've configured Windows Firewall in Windows 7 to block all traffic on the public interface, except to certain IP addresses, as described here: http://superuser.com/a/456326/112560 The problem is, this ...
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1answer
139 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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462 views

How to change your firewall preferences when you cannot login to Windows 7?

Here is a toughie. I just switched to a new computer at work and for some reason Firefox wasn't able to connect to the internet. So, I went into windows firewall settings in the control panel and ...
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What happened to my “Predefined rules” in Windows Firewall? How can I get them back?

Windows Firewall Advanced Settings in Windows 7 , has predefined rule sets. When I click the "Add Rule..." button in my Windows 7 Ultimate install, it looks like this: But, on a machine I have ...
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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: ...
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1answer
5k views

Turning Off Windows 7 Firewall

I need to temporarily turn off the firewall on my Windows 7 work computer, but the firewall settings are all greyed out. Above them is a message saying "For your security, some settings are managed ...
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4answers
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How do I block all outgoing ports in Windows XP firewall?

The built-in Windows firewall seems to only block incoming ports, but not any outgoing traffic. I am looking for an application to install on an xp machine which can be configured a way to block ...
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1answer
136 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
153 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 ...
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2answers
2k views

Block multiple programs through Windows 7 firewall quickly

I know how to block a single program through the firewall quite easily, but I have to do this for several applications now and the process becomes tedious. Is there any way to block multiple programs ...
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154 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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2answers
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Block specific websites in windows 7 [duplicate]

Possible Duplicate: Blocking web sites with Windows Firewall I want to block specific websites from being accessed from my computer without using any other software. Is it possible to do ...
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1answer
928 views

How can I block specific domains on Windows, only for certain users?

I want to limit what websites I can view when logged in under an account. I don't think it's possible to accomplish this via the hosts file or router. Ideas for good/free solutions?
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148 views

Which Port And Protocol Is Being Blocked

I wrote a .NET program to make an HTTP request over the Internet, and it's being blocked by my PC's firewall. The operating system being used is Windows 7. I figured I could create an outbound rule ...
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1answer
21k views

Windows Firewall: How to allow traffic on a specific port (eg. 8080)?

I am trying to configure team Foundation Server so that 1) it is accessible from within my Home Network 2) and then make the Web site access accessible via the Internet I have a problem with point ...
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4answers
4k views

How to enable RDP to a Server 2008 R2 on another network? VM network

I have a W2008 R2 installed on a different network (I am on 192.168.0.x - new server on 192.168.3.x) I had trouble ping and RDP to it. I disabled the firewall to test the connection: and that ...
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1answer
1k views

How to configure firewall for ftp?

I have got ftp working for isolate users on a windows web server running iis 7.0 I am using coffecup as ftp client to connect. when i turn off the firewall on the server the ftp works fine. I can ...
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Prohibit installers from modifying Windows Firewall rules [duplicate]

Possible Duplicate: How to prevent applications from modifying Windows 7 firewall policy
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1answer
41k views

Cannot turn on “Network Discovery and File Sharing” when Windows Firewall is enabled

I have a problem similar to this one. Windows Firewall prevents File and Printer sharing from working and Why does File and Printer Sharing keep turning off in Windows 7? I cannot turn on Network ...
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1answer
163 views

VM software interferes with networking security

I like my virtual machines; I have both VirtualBox and VMware Workstation installed, and so my Windows 7 host has several virtual network adapters ("VirtualBox Host-Only Network," "VMware Network ...
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1answer
127 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
639 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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Windows 7 machine not pulling DHCP-issued address

Not sure where to go on this one. netsh winsock reset and netsh int ip reset did not help. If I set a static IP on the machine, it communicates fine. But it won't pull a DHCP address. Here's where ...
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2answers
832 views

Why does Security Essentials notify me about custom DLL file?

I created a dll file with gcc(mingw). When I start my application Microsoft Security Essentials notifies me: Security Essentials detected items on your PC that it doesn't recognize Why does ...
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1answer
1k views

How to block Spotify with Windows Firewall?

How can I block Spotify from accessing the internet with my Windows Firewall? (I use Windows 8. It has the same design as Windows 7.) I've tried adding an outbound rule to block ...
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1answer
653 views

Another 'can't browse but can ping'

Suddenly my ability to browse disappeared yesterday. I can still ping by ip/name, I can connect to RDP computers remotely. I also have a virtual machine on my laptop that is able to browse the web. ...
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1answer
182 views

Windows thinks outgoing connections are incoming connections?

I have a rather weird issue.. I'm trying to configure Windows Firewall to block all outgoing connections to a certain app, but allow all incoming. This app is used to transfer files across a network. ...
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1answer
3k views

Windows Firewall to block port number 1433 all IPs except our office IP

Our web server is Windows Web Server 2008 R2. I added a new rule in Windows Firewall with Advanced Security Inbound rules. I have successfully created a rule to block all IP addresses to access port ...
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1answer
211 views

Windows Firewall shows router's IP instead of IP of connection

Using Windows Firewall, when I receive a connection, the originating IP is displayed as the IP address of my router/gateway instead of the actual originating IP address of the connection. My router is ...
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1answer
2k views

Temporary block all incoming and outgoing except chrome in Windows Firewall [duplicate]

Possible Duplicate: Block internet access to all programs except for whitelisted ones I sometimes work outside and are using a 3G usb connection with quite a limited data allowance. I want ...
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1answer
186 views

Do I need to turn on Windows Firewall with MS Security Essentials

I recently switched from Norton to MS Security Essentials (See my previous question). During installation I checked to activate Windows Firewall (recommended) but now I get the Firewall notice of ...
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1answer
1k views

How do I examine my Windows firewall outbound rules?

I need a program to listen to port 9000 on localhost with my Windows firewall. I've created an outgoing and an incoming rule for my program but I can only see my incomming rule in the Windows firewall ...
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1answer
835 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
125 views

How can my colleague get HTTP access to my machine?

I have Windows Firewall running. I created a rule called "AllowHTTPAccess" to allow TCP traffic on port 80 for Domain, Private and Public. She can ping me, but but she can't connect to the web ...
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2answers
1k views

Can/should I install Microsoft Security Essentials when I already have McAfee installed?

I have instructions to install Microsoft Security Essentials. The pc already has McAfee up and running. Should I install the Microsoft product too or do they do the same thing (firewall, email ...
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1answer
2k views

Windows Server 2008 R2 SP1 FTP Server Doesn't Work

I have a newly installed W2K8 R2 which I use it as web server. I have already enabled all the things under the "web server(IIS)" and I also checked that the Windows Firewall had all the FTP-related ...
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1answer
254 views

Why do I have so many of the same rules in my Windows Firewall utility for inbound rules?

I want to connect to my virtual machine using a ssh-tunnel but my program cannot bind to port 9000. In my Windows Firewall I have many same/similar inbound rules for the same program? Why is this?
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1answer
2k views

Is it possible to see changes made to windows firewall in recent past?

I would like to check if some program or port has been enabled or disabled in last few hours on my computer in windows firewall? Is there some log where I can check this?
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1answer
581 views

What do I need to open on my Windows Firewall to allow GFI Security Endpoint functionality

I've been asked to switch off my firewall so that GFI Security Endpoint will work properly, I'm not switching off my firewall! What do I need to do on my windows firewall to allow GFI Security ...
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0answers
282 views

Should I redefine the VMWare virtual NIC's as endpoint devices to bypass Windows Firewall?

I have VMWare Workstation 8 on Windows 7. I am an applications developer and I need to start developing and testing an integration between enterprise systems. I want to run two virtual machines, one ...
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2answers
1k views

Windows XP/Firewall — Can't open UDP port 9100 for JetDirect sharing

I'm setting up my Dad's laptop (Vista) to print to an HP Deskjet printer attached to a Windows XP Desktop box. The XP box is running Windows firewall. Laptop sits on 192.168.1.66, Desktop ...
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2answers
3k views

How to block localhost connections with Windows 7/2008R2 firewall

With the Windows 7/2008R2 firewall it doesn't seem possible to explicitly block connections that use 127.0.0.1 on a per process basis. I'm just wondering if I've missed something?
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Is it OK to have ports 135 & 49154-49155 open in Windows Firewall? [closed]

My ISP has completely locked down my virtual server running Windows 2008 by default. However, besides ports 80 and 443 (which are needed for IIS), two ports are still accessible from the outside ...
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1k views

How To Allow Web Browsing Through Windows Firewall

I suppose this question might seem useless at first glance, but I'm trying to lock down the outbound firewall rules on my PC. My thinking is that if there were any malicious software on my PC, I ...