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Questions tagged [windows-firewall-api]

59 questions
13
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2 answers

Using Windows Firewall programmatically

I have difficulties to find anything related to Windows firewall (about how to add aplications to except list, close ports or disable internet access to some applications) in C++. I found even MS site shows examples in Visual Basic. Where I can find…
user436550
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Add a firewall rule for Distributed Transaction Coordinator (msdtc.exe)

I tried to use firewallAPI.dll to add a rule. It works fine for calc.exe (or some other files) as described bellow but fails for msdtc.exe with the following exception: System.IO.FileNotFoundException: 'The system cannot find the file specified.…
Serg046
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Adding an application firewall rule to both private and public networks via win7 FirewallAPI

A little background: Basicaly I'd like to add a program firewall access rule to both private and public networks. I used to use this- "netsh firewall add allowedprogram program= "Path.." name=AppName ENABLE scope=ALL profile=CURRENT" But now I'd…
Oyiwai
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6 answers

How can I detect if a firewall product is enabled?

How can I detect (from a Windows Forms application written in C#) if a firewall product is enabled? Here is my code and i am getting error on INetFwMgr that type or namespace could not found namespace WindowsFormsApplication1 { public partial…
Pavan Anadkat
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5
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1 answer

Controlling Windows Firewall in C# for Windows 7 and Xp Sp3

I here have a code working perfect in Windows 7 i took help from this post.... The problem comes when that same code in compiled on Win Xp Sp3 PC. Its does not comile... says interface missing (error) .... I cant seem to figure out. I have added…
Ankesh
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5
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1 answer

Disable the programs ability to add exceptions to windows firewall via the API

This is a problem with Windows Firewall that is very annoying from its introduction. And persist trough several versions of windows. I have two questions: Is it possible to be disabled or at least require confirmation in XP/2003 Server ? Does UAC…
Daniel Iankov
4
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1 answer

What is an app container on Windows?

I am trying to debug a code which uses NetworkIsolationEnumAppContainers(). The document of the function says, "The NetworkIsolationEnumAppContainers function enumerates all of the app containers that have been created in the system." What does…
Sahil Singh
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Add to windows firewall exception in standard user

I am trying to add an application to windows firewall exception. I don’t want to give admin privileges to the EXE. I tried netsh command as below. netsh advfirewall firewall add rule name="Myapp" dir=in action=allow program=”C:\Program…
IT researcher
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1 answer

Memory leak when using NetFwTypeLib in .Net Core 3.1

I tracked down a memory leak in this IDS/IPS traffic monitor console app I've been working on. I thought it was entity framework, turns out it's the firewall code. The following code worked perfectly fine in .net 4.6.2 and it works mostly fine in…
Sum None
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2 answers

CommandLine IP block / unblock in Windows Firewall with Advanced Security

I'd like to programmatically be able to block outgoing packets to some IPs. Nevermind the application, I would like to be able to do it. I have Windows 7 x64 Professional so it comes with WindowsFirewall with Advanced Security which has an outbound…
McTrafik
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1 answer

Setting Port Firewall Exceptions in Windows 10 Using C#

I'm trying to set a firewall exception for Windows 10. After doing numerous searches, I put together this code: private const string PROGID_OPEN_PORT = "HNetCfg.FWOpenPort"; private const string CLSID_FIREWALL_MANAGER =…
Steve Graber
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1 answer

Creating a rule with the Windows Firewall API that applies to all applications run by a service

I'm trying set up a firewall rule for a Windows service to deny all inbound and outbound TCP and UDP connections except a whitelist of hosts and ports using the Windows Service Hardening API, following the VBScript example here. Now, this service…
mpeac
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Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) in INetFwServices using NET_FW_SERVICE_REMOTE_DESKTOP type

I am trying to iterate within INetFwServices elements in Windows 10. However when I access to item Service Name: "Remote Desktop" Type: NET_FW_SERVICE_REMOTE_DESKTOP the application throws an exception Catastrophic failure (Exception from HRESULT:…
juancalbarran
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Adding firewall exceptions for other firewall products than Windows Firewall - such as Norman, Norton etc

I have a WiX installer project where I have added two firewall exceptions as part of the installer by using the WiX FirewallException. This works great when the client machine is using Windows Firewall, but I got a report that a user failed to get…
tronda
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Porting a C# application to Mono, need to use FirewallAPI. Is there a Mono equivalent?

I have written a Windows service that I am needing to port over to Mono so it can be used on Mac / Linux platforms. It makes use of the FirewallAPI.dll (I think that is the actual name...). The other names are NetFwTypeLb, NATUPNPLib and…
Madeline
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