"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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Why is Windows Firewall blocking these network connections?

Workstations on the office VLAN are assigned IP addresses in the 10.10.0.0/16 range. It's defined as a "Work" network and is using the "Private" firewall rule set. We use a central firewall / router ...
1
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2answers
8k views

TMG 2010: how to block HTTPS access to certain sites?

Just installed Forefront TMG 2010 and set up firewall rules. My company's policy requires to block access to webmail sites, like gmail, yahoo mail, etc. So I added these webmail domain names to a ...
4
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0answers
376 views

Firewall “Connection Security” when there is no trust and NATing between the two computers

First a little explanation of my network topology. I have a internal domain, and edge network domain. There is no trust between the two domains (and IT will not allow a one way trust to be set up ...
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2answers
3k views

Windows firewall logging. Log file is always blank

I have read many similar articles and posts on how to enable windows firewall logging. I have Win2k8r2 server without any Active Directory, DC, domains and other complicated stuff. Almost all of this ...
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2answers
773 views

I want to connect to SQL Server Express remotely through windows firewall

I have a VPS windows 2008 with SQL Server Express installed on it. I want to access the SQL Server Express database from my PC. I can access it when I disable windows firewall, otherwise I cannot. ...
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1answer
257 views

Windows Server 2008 is blocking IP of some clients

I'm having a very weird situation on my Window Server 2008 R2 hosts. In these hosts, we have an ASP.NET Application hosted with IIS 7.0. The problem is that, eventualy, one of the clients' IP is ...
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1answer
594 views

how can connect from client to sql server 2008 via proxy

I have SQL Server 2008 in dedicated server and all port of SQL Server is blocked with firewall. I have VPS with CCProxy on it. I opened all ports in dedicated server for my VPS server IP. I set proxy ...
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1answer
339 views

Windows Server 2008 IP block using built-in firewall issue

So here's the situation: I'd like to block one or more IP addresses using native firewall that comes with Windows Server 2008. I opened it, chosen to create a new rule under inbound rules. I choose ...
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votes
4answers
2k views

Can't connect to ftp port 21

I installed ftp server on Windows 2003, enabled 21 port in Firewall and I can connect "telnet localhost 21" but can't connect "telnet 77.168.0.1 21" What it can be?
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1answer
111 views

Windows Server 2008 R2 Firewall can't block?

A certain computer in my LAN has been hammering the Domain Controller with event 4768 (authentication failure). After conferring with the 'owner' of that computer, it's found out that there's a ...
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1answer
422 views

HTTPS - IIS - Web Pages only Load Locally

Summary of my Situation I am working with IIS (6.0) running on Microsoft Windows Server 2003 Deploying an ASP.net website using HTTPS I have imported certs Web Pages load/work successfully when ran ...
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4answers
2k views

port 25 SMTP issue & server was lost in the middle of the transaction

Hello i am using hmailserver for W2008 R2 machine I could pull my hair off on this. Request mail from server: OK, sending mail: ISSUE I can telnet pop3 110 | but cannot telnet port 25 First of all, ...
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1answer
200 views

Windows Server 2008 R2 Security Log repeated Audit Failure Entries

We seem to be getting a huge load of entries in our security log with the following details: The Windows Filtering Platform has blocked a connection. The source IP address and port change for each ...
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2answers
715 views

windows firewall - how much delay introduce, how safe to turn off?

I have a server that used for high-frequency trading. That means that even 0.1 ms is important. I have up to 10 MBit/s data traffic. I need certain UDP ports to be opened because I receive data via ...
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votes
4answers
338 views

Is it a valid security decision to protected exposed RDP servers by restricting IP addresses with a firewall?

As you probably all know, new security flaws continue to emerge in RDP for Windows. I have googled and read about this issue, and possible fixes/solutions. It surprises me that no one mentions, to ...
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1answer
670 views

Why won't Windows XP firewall use domain settings on boot?

Although my XP workstations are connected to the domain, after booting firewall.cpl reports they're "using non-domain settings". Official literature tells me it's an issue with the DNS suffix of its ...
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votes
1answer
729 views

Slow SMB/CIFS to/from Win2008R2 Server

Dell R710 w/ Intel 82576 gigabit NIC (latest Intel drivers). I'm setting up a new Windows Server 2008 R2 SP1 & so far I've installed updates & configured the File Services & Web Server ...
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3answers
29k views

How do I get IIS working and accessible outside my network behind a router? [closed]

My machine is running Windows 7 Ultimate. Here's what I've done (successfully) so far: Installed IIS 7.5 with PHP over FastCGI Got it working! When I go to http://localhost/index.php , my PHP ...
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1answer
4k views

How to add subnets to Windows Firewall “local subnets”?

On Windows Firewall under an individual rule the scope tab allows you to define which ips are subject to the rule. One of the built in options is "Local subnet". How can you add an additional subnet ...
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1answer
3k views

How do you disable “stealth mode” on Windows Server 2008?

After reading this article and this one I've decided to change all our firewalls to reject instead of block packets in most cases. My experience corroborates the arguments these articles make. ...
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1answer
233 views

Setting up windows firewall on windows server 2008 R2

Just booted into a newly provisioned windows server 2008 r2 server. On the firewall side of things, it is disabled by default. This is a web server, so I need at minimum port 80, rdp port left open. ...
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3answers
335 views

Simple? Network issue, been fighting with all day

I've got a simple set up here: Client C (Internet) 10.10.10.5 (Static) | 255.255.255.0 | \ | ...
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1answer
345 views

Rule to block IP address not working

Looking at my Event Log I see that right now an attempt is being made at brute forcing my 'sa' user for Sql Server on my Windows Server web edition box. I know that firewall rules are not the only ...
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1answer
3k views

GPO: Windows Firewall Exceptions - enable for one target IP only (LAN Guard)

I'm in the midst of setting up GFI LAN Guard for vulnerability scanning and patch management. The first thing I have to get in order is for LG to inventory all of the clients on the network. In order ...
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1answer
234 views

Blocked IP in Windows Server 2008 firewall, but that IP can still access my website

I blocked some IP addresses as described on this page, but it can still access my website. I know I can block it in IIS7 and that option works, but I would like to block it with the firewall, rather ...
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1answer
510 views

Server 2008 Firewall Blocked Remote Desktop

While i was configuring windows firewall in Server 2008, i have accidentally blocked "all programs access". Now i am unable to access to my server with remote desktop also. My server is not a ...
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2answers
1k views

Applying outbound connection rules PER USER in Windows Firewall with Advanced Security

In the latest version of the Windows Firewall, included for example in Windows Server 2008 R2, you can block incoming connections and apply this rule only for a set of users (Users Tab in the rule ...
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0answers
602 views

Can't remote desktop into Windows 7 workstation in SBS 2003 network

We have a Windows Small Business Server 2003 network with Windows XP and 7 workstations. Some of the workstations have custom remote desktop ports and the modem/firewall (Netgear DG834) forwards these ...
2
votes
1answer
47 views

Is there another interface that I can use to manage the firewall in Windows 2008?

I hate the interface for managing firewall in Widows Server 2008. Is there another GUI interface that I can use? Free is great but I'd even accept a 3rd party solution.
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1answer
1k views

How to enable connection security for WMI firewall rules when using VAMT 2.0?

I want to use VAMT 2.0 to install product keys and active software in remote machines. Everything works fine as long as the ASync-In, DCOM-In, and WMI-In Windows Firewall rules are enabled and the ...
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1answer
79 views

Remote connect to SQL Server 2008

I have a problem connecting with a remote Microsoft SQL Server 2008 I have tried this: How to enable remote connections for SQL Server 2008? so the remote connection checkbox is checked at the ...
2
votes
1answer
3k views

How to configure Windows Firewall to protect the external interface but not the internal one?

Windows Server 2008 R2 SP1, running the Edge role of Lync Server 2010. One internal network interface connected to the company LAN, configured with a private IP address, subnet mask, internal DNS ...
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1answer
1k views

Windows Server 2008 - How to lock down Firewall Advanced?

I'm having problems with simultanous brute force attempts on my Windows Server 2008 R2 and the MS-SQL Server which is on it. I have renamed the Windows Administrator account (Administrator) I have ...
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1answer
398 views

RDP Access Is Mistakenly Restricted via Firewall Any Way To Connect Again?

I was trying to add an ip address to windows firewall for remote desktop connection but I don't know why now I can't access to server via rdp even from old ips. I have administrator user and password ...
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1answer
1k views

Changing World Wide Web Services (HTTP Traffic-In) via Group Policy

I am working on designing some group policy elements for our servers. Without getting into a debate about pros or cons of group policy, I was curious if the following could be performed. I would like ...
0
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1answer
67 views

Windows 2008 firewall config

Is there any way to add a firewall rule that essentially says, "deny if remoteip= and localport DOES NOT EQUAL ? I have a network interface connected to a shared network and on that network I only ...
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1answer
1k views

Outbound Firewall Rules on Windows Server 2008

One of my clients have raised a requirement to implement outbound firewall rules on all their servers. Current Environment The environment is built on the AWS cloud. All the servers run Windows ...
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2answers
2k views

Large number of security events in the log

About a week ago we moved the application from one server to another (from Windows Server 2008 to Windows Server 2008 R2, different DCs, but same company). There are 12 websites on this server, but ...
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votes
2answers
1k views

Does Windows Firewall have the ability to log which exe is blocked?

We would like to distribute a firewall program with our product. I can configure the Windows Firewall to block outgoing connections (which it does not by default) netsh advfirewall set allprofiles ...
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votes
3answers
2k views

Configure Windows firewall blocking behaviour

Does anyone know if it is possible to configure the behaviour of Windows Firewall when it has determined that a packet is disallowed? By default, it will silently discard the packet and the source is ...
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1answer
679 views

Allow Only US Traffic (Server 2008 R2)

I'm trying to setup Windows Server 2008 R2's firewall so that it blocks all traffic except traffic originating from US IPs. The current inbound firewall policy is setup as follows: Block a few ports ...
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0answers
591 views

How to allow RDP through IPSEC using netsh advfirewall command

I have an offsite windows server 2008 R2 server. And an ipsec tunnel set on our router here plus a connection security rule in Advanced Firewall on the server. I have ssh access to the console on the ...
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vote
1answer
2k views

How can I block all programs inside a folder to connect to the internet in Windows?

I want to block all programs inside a folder to connect to the internet. Is there any way either using Windows Firewall or Group policy to block all programs inside a folder ?
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votes
1answer
2k views

View website on intranet using machine name (as website domain name) of computer hosting website in IIS 7

I have a local website running on "localhost" on port 80 in IIS 6. On Windows XP (machine name WINXPMAC), I'm able to setup IIS 6 so that my local web application is visible on our company network. ...
2
votes
1answer
964 views

How can I configure Windows Firewall without turning the service on? [closed]

I suddenly could not RDP into my server after rebooting it. Turned out the Firewall was blocking me, I remotely shut off the firewall service (parallels virtuozzo panel) and was able to RDP in. When I ...
0
votes
1answer
1k views

Allow only local connections to LDAP (Port 389) using Windows Firewall with Advanced Security

I have two servers that are IBM Lotus Notes Mail Servers and domain controllers with two NIC's, one with a LAN IP and one with a WAN IP. My client wants all ports to be open, with the exception of ...
0
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1answer
7k views

Firewall blocking SQL Server named pipes

If I turn off the firewall on Windows SBS 2011, I can connect to my SQL Server 2008 non-default instance by name (which I presume means it's using named pipes) without incident. After I turn it back ...
3
votes
1answer
8k views

What firewall ports need to be open for Active Directory?

I want to run DFS replication between a couple of servers. It's my understanding that the servers need to be part of a domain for this. Being able to give people a username and password that works on ...
2
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2answers
1k views

How do I configure Windows Firewall to permit MSRPC?

I am trying to configure endpoint machines with a firewall that only allows white-listed traffic, and all other connections are blocked. The client machines are desktops and laptops running Windows 7 ...
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2answers
244 views

FTP, Windows server 2008 r2, windows firewall problems

Okay so Google is letting me down just due to the sheer volume of stuff related but not specific to my problem that I could find. I have a c# program that connects to various ftp sites and downloads ...