"Windows Firewall" refers to the built in client firewall utility that ships with the Windows operating system. (It was previously named the Internet Connection Firewall.) By default, all Windows operating systems since Windows XP and Windows Server 2003 have shipped with this client.

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Something preventing http requests from public ip addresses from reaching windows 8.1 update iis

I have three Windows hosts on the same private LAN, each hosting an IIS default website. One host is running Windows 7 Pro, while the other two are running Windows 8.1 Update Version 6.3 (Build ...
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27 views

What is the best firewall for Widnows Server 2003/2008? [closed]

Im looking for a very strong firewall and HIPS solution for Windows Server 2003/2008! Which firewall is prefect for blocking attacks at light speed!? Is there any firewall which will show me whats ...
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0answers
8 views

connections blocked to remote computer while no user logged on windows 7

A have a bunch of computers, all in the same OU, that are not contactable over the LAN (no pinging, no c$, no computer management, no SCCM connection) while the computer is not being used. The ...
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0answers
15 views

Is it possible to block shares on a Terminal Server Session?

So i have the following issue. I want to have a very restricted Terminal Server in a domain where a user can log on using RDP and only view certain files (on local TS drive). Its very important that ...
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28 views

Can't Remote Desktop on LAN, Firewall Rules in Place, Yet Packets Dropped

I've banged my head for a few hours on this. I'm beginning to move several computers to a new subnet, all Windows 7, all domain joined. On the original subnet (192.168.145.X) everything works as ...
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39 views

Win2008R2 Firewall will accept incoming connections from WAN but not from LAN

We have a Windows 2008R2 server that suffered a power failure a few days ago. The server is working fine but we are experiencing something strange: When the Firewall is on, the server becomes ...
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1answer
17 views

Cannot access IIS Express from another machine

I can access the IIS express website fine from my local machine, either via localhost, or via its IP address. However when I try to browser to that IP address from another machine, it times out. I ...
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1answer
34 views

What Firewall Rules for Audit Collection Service in SCOM 2012

What Firewall Ports or Rules do I have to Configure, to enable the Forwarders to Connect to the ACS Collector? When the Firewall on Collector is enabled, no Forwarder can connect to the Collector, ...
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13 views

windows firewall & memcached service: open ports on firewall for local use?

memcached is used in local connected via 127.0.0.1:11211 on Windows Server 2008. Everything seems to work without having set anything on the firewall. But, can not understand if i must open 11211 ...
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1answer
137 views

AWS Override VPC DHCP - Additional Option Sets for RRAS VPN Clients

I am trying to run a RRAS VPN server that pulls from a windows DHCP server running on the same box. I am finding that the AWS DHCP is getting hit first with the DHCP request and it provides invalid ...
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1answer
40 views

Opening up ports in Windows Server 2012 Firewall for Web Services

I have a website that has been migrated to a new server running Windows Server 2012 but it needs two ports opened so that it can access security web services on another server. I can open up the two ...
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1answer
64 views

Windows 2008 Server VM stops responding to network connections [closed]

Background I have a Windows 2008 Server guest virtual machine running in VirtualBox on Linux. The guest uses bridged networking (wired ethernet) and has a static IP address on my network. I haven't ...
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1answer
48 views

Port 445 open to Mac but closed to Linux?

I'm running a Windows 7 Ultimate, and I'm attempting to set up file sharing (SMB). I have a Linux system which can't seem to connect. When running mmap in Linux to scan port 445, I see that the port ...
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1answer
83 views

Get Windows Firewall to allow connection from user coming in via VPN (Routing and Remote Access)

A single NIC Windows Server has a number of services, for example FTP. The same machine is also running Routing and Remote Access to provide VPN/NAT services to remote users. Meaning users who ...
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1answer
318 views

Can't open Active Directory Users and Computers, Group Policy settings issues

In the past I've been able to open "Active Directory Users and Computers" to manage the users and computers on our Windows Server 2008 R2 box. We just recently made some changes to our Group Policy to ...
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1answer
350 views

Remote Computer Management from Active Directory Snap-In fails with DCOM error 10006

So here's a little background. Our system originally started with Windows Server 2003 machines and eventually over time expanded and grew. We still have a few Server 2003's but they're being removed. ...
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1answer
155 views

Windows File Sharing not working

We have a workstation on our domain that we need to share a printer from, and it's not working. I also set up a shared folder to help with testing. Details: We are on a domain. All operations ...
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2answers
448 views

For an internet-facing, all-roles-in-one Exchange server, what do I need to let through the firewall?

As the result of a recent penetration test, in which we did not fare well, it has been brought to my attention that our internet facing, all-roles-in-one, Exchange 2010 SP3 server has no firewall in ...
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90 views

Forwarding Port 54321 to 80 on Windows Server 2012 R2

I am trying to forward port 54321 to port 80 on my Windows Server 2012 R2 box to simulate what my router is currently doing for other machines on my network (forwarding a specific port to port 80 so ...
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63 views

Windows firewall blocking network shares through VPN server

I have a VPN server in front of a 172.16.0.0/24 network. On my client side is a 192.168.1.0/24 network. I am able to successfully VPN in to the server network from the client, and I am trying to ...
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1answer
38 views

Why should I remove firewall rule after application exit?

I have a server which listens on port 80 for incoming requests - using HttpListener. I've found that to be able to do that, I need to open up the port (add a firewall rule which enables me to listen ...
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0answers
549 views

Cannot connect to Remote Desktop from difference subnet

I have a problem about Remote Desktop on Hyper-V Server 2012 R2. I cannot connect to Remote Desktop from a different subnet. The server is multihomed with two NICs, one connects to the public network ...
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1answer
126 views

Windows Web Server Login Attempts

We have a cloud web server serving several e-commerce websites, which is running Windows Server 2008 R2 and IIS 7.5. We access the server via RDC. After looking at the windows security log I can see ...
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0answers
63 views

How to change NIC Location in Windows Server 2012 R2?

I have a windows server 2012 R2 machine that is acting as a domain controller and I have a virtual network interface(VMNET3) that is automatically placed in the domain profile. Is there any way to ...
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votes
1answer
230 views

netsh advfirewall set store gpo: %COMPUTERNAME% does not work

I am in charge of a group of computers that process highly confidential data. They cannot be connected to the Internet or even the company network, only a network drive. So I wrote a batch file on the ...
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64 views

Firewall is Enabled after Server is Moved to New OU

I am experiencing an issue with Windows Firewall via Group Policy on Windows SBS 2008. When moving any machine, physical or virtual, from our primary SBSComputers OU to our SBSServers OU (no ...
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2answers
468 views

Windows Firewall: Remote Desktop block action by local policy

On a fresh domain-joined Server 2012 R2 install I see a peculiarity where an enabled "Remote Desktop" rule is set to Block in the Domain profile: As block rules take precedence over allow rules, I ...
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1answer
293 views

How can I block the SMB (445/tcp) port on Windows 2012R2 Data Center?

I've got an interesting software configuration (Alfresco CIFS) that requires me to block access to the Windows SMB port for proper operation. I tried adding a new inbound firewall rule at the top ...
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1answer
128 views

Firewall Rule One way smb in two network

Im trying to make an one way smb firewall rule in a MikroTik firewall rule The thing is I have two network one on 192.168.1.0/24 and one 192.168.3.0/24 192.168.3.0 is the network that should be able ...
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2answers
212 views

Single user change with forced domain firewall GPO

I have an issue which i need some help with. Current Scenario: I have a domain firewall policy, which turns the firewall ON and is enforced on "Authenticated users". The domain policy locks the ...
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0answers
98 views

Can't access shares or ping Windows server 2012 after reboot, although firewall rules are correct

I have a setup with a nummer of different windows 2012 servers that are in the same domain and LAN. All of these servers have the same firewall rules, which allows ping and fileshare. After a reboot ...
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1answer
2k views

Teamviewer VPN blocked by Windows Firewall

I am using Teamviewer 9 and would like to use the VPN option. I installed it all and it works perfectly only if I turn off the Windows firewall on my VPN target. Teamviewer.exe ia already allowed ...
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36 views

authenticated bypass firewall

We currently use Windows Firewall to restrict RDS access to a hosted server by IP address on port 3389. We use Server 2008 Enterprise and it's really our only option since it's hosted by a 3rd party. ...
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2answers
833 views

Windows Firewall - blocking IP address ranges en masse - performance considerations?

One of our services is an extranet for the exclusive use of our 200 employees across the UK. We're seeing a huge number of login attempts from China, Russia, Ukraine and Nigeria. I have large lists of ...
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1answer
360 views

Can firewall block packets visible in Wireshark?

Wireshark shows that an RTP package is received on a PC. Is it possible that despite detection by Wireshark, something (firewall?) is still prevent the application listening to the required port on ...
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2answers
34 views

Connection failed between Windows Servers

I'm setting up an infrastructure based on Windows Server 2012. The firewall is turned off and I can't access the Domain controller to check for the group policy. I'm experiencing some connection ...
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74 views

Netsh Command To Block All Traffic Except A Program And A Port?

I discovered that you can use the netsh commands to control the Windows firewall, I am reading all the possibilities but I didn't found yet what I am looking for. Is it possible to use netsh ...
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1answer
110 views

Windows 2008 r2 firewall rdp rule and linux rdesktop

I have a production Windows 2008 R2 server, and my workstation is Gentoo linux (kernel 3.12.13). I used to connect to server with rdesktop. Now I want to restrict the windows firewall rule for rdp ...
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3answers
9k views

Hyper-V Manager can't connect to Windows Hyper-V Server 2012 R2 Core

A short overview: Server running Windows Hyper-V Server 2012 R2 Core "Adama", up to date Core is accessible via RDP Running VM with Windows Server Essentials 2012 "Apollo", also up to date and ...
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1answer
107 views

Windows 2K8 R2 in AD environment not allowing SMB connections

I've got 2 Windows2k8R2 VMs. One is the domain controller, the other one is a TS server. Both have network discovery and file sharing enabled. Currently the TS server is not allowing any SMB ...
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1answer
201 views

How to create inbound rule on Windows firewall for custom service?

Service is written in C#. It is a server that requires opening port 8080 for inbound connections. It runs as Local System and has unrestricted SID (created by sc tool). If I add in Windows Firewall ...
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1answer
73 views

Windows 2008 R2 firewall is disabled after boot

I have a server with Windows 2008 R2 and Windows Firewall enabled. When the OS boots, the firewall is disabled and every incoming connection is blocked. So in order to make the server available I ...
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2answers
2k views

PowerShell Firewall Management

I have a bunch of machines that I need to enable Remote Scheduled Tasks Management (RPC), Remote Scheduled Tasks Management (RPC-EPMAP), and Windows Management Instrumentation (WMI-in) on for GPO ...
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89 views

Configure Firewall to allow incoming connections to Server Running in a VM

I have Lubuntu running in a VMware Virtual Machine (on a Windows 7 host). Within the VM, I am using the git daemon command to serve a git repository. When trying to connect to this server from another ...
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1answer
2k views

Block inbound port 80, 443 traffic except specific IP addresses

I'm trying to set up a firewall to only permit inbound traffic on ports 80 and 443 from specific IP addresses. I tried creating a rule to block all traffic on TCP, local port 80 and 443, then I added ...
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1answer
138 views

Is there any danger in disabling windows firewall on a azure worker role?

I'm trying to troubleshoot a bug on our Azure worker role where we occasionally get the error "Unable to read data from the transport connection: An established connection was aborted by the software ...
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559 views

HyperV guest external IP: RRAS NAT on host VS direct access to external network with Microsoft Virtual Switch?

I have Win2008 R2 HyperV host with one physical adapter running a bunch of VMs. I have a subnet of external IP addresses: x.x.x.208 / 255.255.255.240 I used to have the following setup: host OS ...
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1answer
539 views

is it possible to configure Hyper-V host to block certain traffic for guests?

I have Windows 2008 R2 server with Hyper-V role enabled, and a number of Hyper-V VMs. Of of the VMs is CentOS SIP server. I want to block all incoming traffic from external IP address on certain ports ...
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1answer
45 views

can I reset the windows 7 public firewall profile defaults?

suppose I change something in the public firewall profile. (whether in the "windows firewall with advanced security screen" or in the "allow programs to communicate through windows firewall" screen ...
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1answer
1k views

Windows Server 2012 R2: closing smtp/pop3/imap ports (or deactivating the related services)

I am running a Windows Server 2012 R2. At the moment, I want to improve the security of my server, so I am looking for services (and open ports), that are not needed. I disabled nearly every server ...