0
votes
2answers
29 views

How to check if my network blocks a port on Windows?

I'm trying to connect to a remote SSH server from my Windows machine, however the client (PuTTY) keeps raising an error telling that the remote server refuses the connection. I have already checked ...
1
vote
1answer
38 views

Limit Connections Per IP Windows 2008 R2 x64

Hello I have been searching for a solution to this, what I want to accomplish is the ability for me to define firewall rules that will limit the amount of connections to certain ports from the same ...
-3
votes
1answer
32 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 ...
0
votes
1answer
50 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 ...
-1
votes
1answer
76 views

Configure Windows Firewall Server 2008 to allow access by only selected IP addresses

I have a server running Windows Server 2008 and I need to configure the firewall if possible to only allow access from a few specified IP addresses, any other IP addresses will get rejected unless ...
0
votes
1answer
138 views

Deploy Advanced Firewall Rules via GPO - How to avoid merging?

I am trying to deploy a set of advanced windows firewall ACLs to several 2008 R2 servers. I would like to (i have to) ensure that no local or old rules are getting applied. So I set "Apply local ...
0
votes
0answers
36 views

Unable to connect to SQL Server over SSL

I am unable to connect to a SQL Server over SSL. This is the current setup: A server at my location sends data to an external service (SQL Server 2008) using SSL. We are using Websense and an ASA for ...
0
votes
0answers
128 views

The Windows Filtering Platform has blocked a connection - Query User

I'm having a problem with a program trying to access port 135. The Windows filtering platform is blocking the communication. In the windows security logs, the following is displayed: The Windows ...
0
votes
0answers
32 views

Prompt User for decision corresponding Firewall Inbound Traffic NOT APPEARING

Normally when an Incoming Traffic comes, there will be "Prompt the User for a decision corresponding this Inbound Traffic" popup. For some weird reason this popup is not coming out and I'm finding ...
0
votes
1answer
546 views

HTTP 502 Bad Gateway error response

I'm debugging an issue and running out of ideas. I have a server with SharePoint code hosted at port 8080 and a WCF REST service at port 8801. From another machine on the domain, I can connect to the ...
6
votes
3answers
584 views

What's wrong with using windows firewall?

I was developing a system which requires connection between two computers. I decided to connect the two machines together via direct ethernet cable. My boss didn't like it as there is no firewall in ...
0
votes
1answer
248 views

Cant open port on Windows 2012R2

I really never had problem with Windows Firewall, however today on new installation i`m trying to open port 110 but i cant. My firewall rule is: printscreen telnet myip 110 Connecting To ...
0
votes
1answer
109 views

iptables alternative for nat in windows

When setting up a comms server I usually use iptables in linux to forward any incoming connections on a particular port to another server, e.g. Chain PREROUTING (policy ACCEPT) target prot opt ...
0
votes
3answers
243 views

What can we use as an alternative to IP whitelist in Windows Firewall?

We are currently using an IP whitelist in Windows Firewall to allow only certain machines to access Remote Desktop on our servers. Unfortunately, I have a new ISP now and my external IP address has ...
1
vote
0answers
47 views

Firewall rules between windows cluster

I have been given the task to define firewall rules between 2 Windows clusters. The first cluster hosts a clustered middleware application and the second cluster hosts SQL Server. The 2 clusters are ...
0
votes
1answer
41 views

Connection timeout on socket for a host machine

I'm trying to discover a machine by establishing an socket connection on one of the ports such as 80 . I was trying to connect to one of the machine i used to get connection refusedearlier on that ...
0
votes
2answers
73 views

Make Windows firewall list port numbers instead of port names

How can I make Windows firewall (Windows 7 or 2008R2) use port numbers for all ports instead of unhelpfully give you "PlayTo Discovery" or similar as the local port? In other words, no name ...
1
vote
3answers
324 views

Securing a guest VM to give it internet access, but block access to host LAN

I have a Linux guest VM running under a Windows host. If I set the networking mode to NAT, the guest can get internet access (which I want), but can also access the hosts LAN (which I dont). For ...
0
votes
2answers
345 views

Windows 8 - Firewall Issues from Command Line

I created the following script basically to block absolutely everything and only allow through what I want, however it's not allowing through what I like in regards to the internet. Can anyone see an ...
0
votes
1answer
381 views

Block Inbound TCP Traffic For All IPs w/ Exceptions Using netsh

Trying to figure out a way to do this: netsh advfirewall firewall add rule name="ES 9500 (Block)" dir=in action=block protocol=TCP localport=9500 netsh advfirewall firewall add rule ...
0
votes
1answer
88 views

Preventing logon type 2 and 3 attacks on VPS

Sorry if this was asked before, but I've looked at other questions and couldn't find a match. I've been getting a lot of Logon Type 2 and 3 attacks on my Win Server 2008 VPS (from different IPs). ...
1
vote
1answer
62 views

Problems with connecting to TCP server

I have two PCs in the same LAN: "A1" and "A2". There is another PC in a different LAN: "B". A TCP server is listening on machine "B", port 80. From machine "A1", I can connect successfully to machine ...
2
votes
1answer
418 views

L2TP server allows connections through firewall for iPhone/iPad, but not windows

Our L2TP server (running Windows 2008 RRAS) is behind a NAT firewall. I've already verified that it is passing NAT-T. The firewall rules are all set up correctly to pass GRE, IKE, L2TP and there are ...
-2
votes
1answer
55 views

Local development server risk: inbound connection [closed]

My local development environment is Windows with xampp/nginx. Yesterday I installed malwarebytes and today when I started my xampp server, I soon find out that there is an inbound connection blocked ...
1
vote
3answers
2k views

WMI: How can I fixe the port?

I need to use WMI for getting some information from my servers. But I have a server in DMZ, so I need to open a port in my firewall. I've searching and I found that WMI uses random port. How can this ...
3
votes
3answers
3k views

automatically block IP address after many failed login attempts

I am receiving a lot of failed login attempts (1 per sec) on a Windows 2008 server, I have already set local security policy to automatically lock an account after too many login attempts, but is ...
2
votes
1answer
72 views

Windows firewall - let an application only access 2 ips (outbound)

How do I create a Windows firewall rule that lets application X only open connections (outbound) to two ip addresses, while blocking everything else?
1
vote
2answers
2k views

Send Magic packet from Fortinet Firewall

Is it possible to send a magic packet (WOL) from a fortinet firewall? I read the manual but couldn't find anything, just wondering if anyone achieved something similar. I'm connecting through an ...
0
votes
1answer
312 views

Printing to a remote printer through the internet

I have a remote network (A) that is connected to a head office (B) through a private network. Network A only has 1 PC that requires the connection, and this is into a terminal server at network B. We ...
-1
votes
1answer
859 views

Free firewall for Windows Server 2003 [closed]

We have a Windows Server 2003 R2 Machine here at work that I need to ensure is accessible only from specific set of IP Addresses. The Server is on a LAN and I am aware that one of the possible ...
0
votes
1answer
118 views

DNS through Cisco VPN

We have a Cisco ASA providing a VPN gateway for users. Currently when users VPN'n from outside the network they can access file servers from their IP addresses but the shares do not response via share ...
0
votes
1answer
1k views

Connecting To FMS Server Issues

I am trying to get my computer to connect to an Adobe Connect server but I have had no luck. The error that Adobe is telling me is "ERROR: FMS Server did not return correctly!" and have done some ...
1
vote
2answers
154 views

What ports do I need to open up on my Win 2k12 server for MSSQL Express 2008?

I'm running Microsoft SQL Express 2008 on a Windows 2012 Server box. Got everything work, and I even manage to connect with the firewall down. But I dont really want the firewall turned off at all ...
0
votes
1answer
194 views

Cannot connect to nginx on EC2, when it's configured on port different than 80,8090,443

I am trying to connect Nginx on EC2 instance (Windows 2008) by using a port "1234". While nginx configured on port 80, 443, 8090 it works fine, but when I use some different port - I could not connect ...
0
votes
1answer
441 views

Logging windows connections with netsh

I am trying to enable connection logging with netsh on Vista x64, as shown in this MSDN Article about Firewall troubleshooting... First, I enabled logging of allowed connections to ...
1
vote
5answers
3k views

Large number of failed RDP login attempts

I've seen this same question discussed for unix style servers- such as here Is it normal to get hundreds of break-in attempts per day? But I would like to know if there is a similar recommendation ...
2
votes
1answer
43 views

Assign VPN users to Domain Network

How can I assign VPN users (provided using NPS) to the Domain Network in firewall/network center settings? Currently connection occurs only when I assign a particular rule to the Public network ...
1
vote
2answers
389 views

Network connectivity requirements for Active Directory forest

We have multi domain Active Directory forest with a few external trusts. Let's say we have forest root domain named company.com and a few child domains in that forest - subsidiary1.com, ...
0
votes
1answer
1k 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 ...
0
votes
1answer
111 views

How can I close all ports in windows firewall when they are set to be open by a domain policy? [closed]

All I get in windows firewall is: "For your security some setitngs are managed by your network administrator" (I'm local admin)
2
votes
2answers
172 views

Tunneling a specific IP and port from server A to server B

This is our situation, we want traffic that comes in to our server A ip to be sent(tunneled) to a specific ip on server B, and accept replies coming back from server B to server A. How can this be ...
-4
votes
1answer
231 views

How to drop RST packets?

Is it possible to filter all outgoing TCP packets with RST flag on Windows Server 2003 using IPSec utility from "Support tools"? Article: http://support.microsoft.com/kb/813878
-1
votes
2answers
541 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 ...
6
votes
3answers
4k views

Disabling Windows Server 2008 firewall

I applied a Windows firewall rule that blocks all tcp connection and thus kicked myself out of remote desktop on a dedicated server. I managed to get into recovery via VNC, which is basically a ...
1
vote
1answer
102 views

Replication of Read only DC over firewall help?

I have two domain controllers in two separate VLANs. One of the DC(domain controllers) is win 2003 and other win 2008 r2.Win 2008 r2 is Read only Domain controller and in the same domain as win ...
0
votes
3answers
8k views

Port 22 is closed even with Firewall turned off [closed]

I'm trying to open port 22 on my local machine (Windows 7 32 bit). I'm using a web tool to check if my port is open. It says that port 22 is closed. So I disabled firewall to see if it causes port to ...
0
votes
1answer
95 views

Configure SQLServer 2000 Win7 [closed]

I've got SQL Server 2000 running on Win7. There's no management tools so I wonder how do I configure/interact with the server. Main purpose for me is to enable remote connections. I know how to do ...
2
votes
3answers
349 views

Best way to secure a Windows VPS

I plan to run a web server on a Windows VPS. I want to secure the machine with a firewall, and I thought to open only ports 80 and 3389 (to connect with RDP). Is this a good choice? And what do you ...
3
votes
1answer
20k views

TCP/IP ports necessary for CIFS/SMB operation

If I want to allow Windows networked drives between two firewalled computers, do I need to open ports 137-139, or is port 445 sufficient? I have to submit a form and get approval to open firewall ...
2
votes
1answer
137 views

Forward port on same machine?

I'm trying to forward an existing port for an application which can only listen on one port. The problem is the program and the firewall is on the same computer (Windows Server 2008 R2). For ...