VPN is the acronym for Virtual Private Network - a network type that uses a the Internet to provide remote networks or single machines with secure access to their organization's network avoiding expensive leased lines.

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VPN trace route

I am inside an Active Directory (AD) domain and trying to trace route to another AD domain at a remote site, but supposedly connected by VPN in between. the local domain can be accessed at ...
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Routing and remote access VPN setup

I am trying to set up VPN using routing and remote access. I've tried two configurations, one using a single network card, and one using two network cards. I can connect through my VPN and get ...
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Once connected to RRAS VPN in Windows 7 can't access local domain resources

I'm connected to our remote data center via RRAS VPN which is running as a Domain Controller. The client I'm connecting with is on our local domain. Once I'm connected to the remote domain using my ...
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394 views

Does a machine have to be domain joined in order to use Direct Access

Does a machine (e.g., mobile laptop) have to be domain joined in order to use Direct Access (DA)? Or does DA allow the user to provide credentials just like VPN does when setting up DA?
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Error 720 on VPN (PPTP) attempt

When I attempt to connect to a server running XP x64 (so essentially Server 2003) using a PPTP connection, it fails with client-side error Registering your computer on the network... Error 720: A ...
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Multiple openvpn clients on one openvpn server

Can I have multiple openvpn clients connecting to a single openvpn server? The following setting works well for a single user This is the server configuration (openvpn.conf) port 1194 proto udp dev ...
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E-Discovery and personal computers

What, if any, steps do you take to minimize the potential of client personal computers being subject to e-discovery during potential lawsuits when their personal home computers are used for work? ...
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882 views

Best single-server configuration for small Windows domain with VPN

I work in a tiny two-person software company. The other employee is literally half a world away. I'd like to set up our single Windows server to provide all the services we'll need to run our domain. ...
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Cleanest, quickest way to generate a Cisco VPN .pcf file?

What's the most efficient way to generate Cisco VPN .pcf files for distribution to end-users? This is for ASA 5500-series firewalls. Coming from a Mac workstation, I no longer have access to a ...
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Juniper SSG 5 VPN

I have a host who set up our Juniper SSG 5 VPN with Firmware version-6.2.0r5.0 I've been trying to set up VPN on it using this guide: http://kb.juniper.net/InfoCenter/index?page=content&id=KB4094 ...
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496 views

Hosting multiple private VPNs on PFSense

We are running PFSense 2.0.1-RELEASE and need to make the following scenario work: 1..n remote offices for company A need to connect to a private VPN (VPN server hosted in our datacenter). All the ...
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82 views

SSL Certificate creation - Which ID type to choose?

I'm trying to find-out how important the "ID type" for a SSL certificate is. I'm trying to generate a cert from my firewall to upload to a CA, but having trouble deciding if I should choose an IP, a ...
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832 views

What is the difference between connecting via VPN and SSH/SOCKS proxy for a specific application?

If I understand correctly, a VPN connection will make the whole computer behave like it is on the target network. Is it correct to say that a SOCKS proxy via an SSH tunnel would accomplish the same ...
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Can you connect to Amazon VPC VPN from Windows 7 without a hardware VPN on your end?

I found this thread that seems to suggest it's not possible to connect to Amazon VPC VPN from a Windows 7 box without an external hardware (router) on the client side. Is this true, or did I miss ...
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OpenVPN redirect-gateway does not work on Windows 7?

i have set up openvpn, and it works. pinging from client to server and backwards works just fine. but now i wanted to redirect all the clients traffic through the vpn. so i did the following steps as ...
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Can you limit VPN access to RDP only?

Right now, all developers in our organization have laptops so they can either work from home on occasion, or provide off-hours support. Our laptop hardware spec is, unfortunately, a business laptop ...
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332 views

Does our IMAP access have to be behind our VPN?

I work for a small company (around 40 people) and our email is available via IMAP - but only when connected to our VPN. For iPhone users (and generally), the VPN connection appears to be an ...
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1answer
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SSH over VPN connection

We have an AWS EC2 server that we've configured to be only accessible (via SSH) from within our office network. Obviously this isn't ideal for remote arrangements where someone has to connect to the ...
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TCP under OpenVPN is very slow (tsg attached)

I have a very weird problem with OpenVPN. Most VPNs work fine, except this one. Here I get very low performance from TCP connections, but the CPU load is low (so, not a CPU issue). OpenVPN is ...
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489 views

Is there a way to authenticate vpn using SMS

I would like to implement VPN access to our company servers (Windows/ADS). The problem is that we have confidential intellectual property we want to protect, and we are afraid that engineers are not ...
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Trusted Connection to SQL fails after connecting to a VPN

I have a development server with an SQL 2008 EXPRESS instance running on it. The domain is called DEVAD, and the instance is enabled for Shared Memory, Named Pipes and TCP/IP. My workstation PC is ...
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Can I use OpenVPN with a single secret password instead of a keys set?

I am looking forward to create an as-simple-as-possible OpenVPN set-up. I would like to use a single password to secure the communication instead of a set of key files. How can I set it up this way? ...
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784 views

Do Windows Domain Controllers broadcast anything to a remote server connected via VPN?

Our Windows 2003 Server web server (my responsibility) is in another city and talks to a database server on our LAN (the LAN is someone else's responsibility) via a VPN. The VPN is established via a ...
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SSTP client disconnects shortly after successfully connected to VPN

I'm successfully authenticating and connecting to a SSTP VPN (on windows 2008) from my windows 7 machine, but for some reason, the connection is disconnected about a 1-2 seconds after it's ...
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183 views

Accessing a file share across an ocean (through a VPN)

I am in the process of setting up a log shipping scenario with two SQL Servers linked via VPN (Barracuda NG Firewall, for what it's worth). The VPN is using UDP and packet compression, so I don't have ...
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SSTP on Windows 2008 cannot ping in either direction

I have the following setting going on. Server: Configured windows 2008 server as AD, DHCP, DNS, CA and RRAS. To make long story short, RRAS can accept SSTP connection and clients get connected fine. ...
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1answer
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StrongSwan ipsec ubuntu “ignoring informational payload, type NO_PROPOSAL_CHOSEN”

I have StrongSwan running on a ubuntu server and I'm trying to create an ipsec encrypted VPN tunnel with a Cisco 2821 router . The connection is not working and I cannot figure out why. It appears ...
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What is the least expensive gateway for Amazon VPC?

I need to prototype a solution using Amazon VPC - what's the least expensive option available to create a VPC gateway on our side for the test lab? I realize there are probably free VPN gateways ...
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1answer
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Amazon Virtual Private Cloud - Can I use a normal VPN Connection

I want to use amazon VPC so that I can connect directly to cloud-based databases and application servers over a secure VPN connection. From the description on Amazon's site it appears to require a ...
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is it possible to connect a public EC2 instance into company VPN for secure web service calls?

i'm looking for a temporary solution to allow my public web application running in EC2 to make server-side HTTP requests to a web server inside my firewall. I looked into amazon VPC, but that seems ...
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4answers
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VPN - Man-in-the-middle when connecting to a https service?

Choosing an off-the-shelf VPN service, is it safe to access my Gmail, Paypal, ... accounts? The accounts are accessed via https, but I don't know if with a VPN there is one secure channel between my ...
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VPN through only http

I have got two machines. One running behind an HTTP proxy which only allows http connections to internet. (FTP, SSH everything else is not allowed through this network). Second machine is a server ...
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219 views

Monitoring several remote servers over different VPNs

I'm a developer with about 20 different clients running our server application. I access each of the clients' servers remotely through VPN to provide support, updates, etc. Is there any tool ...
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Do I need a VPN to secure communication over a T1 line?

I have a dedicated T1 line that runs between my office and my data center. Both ends have public IP addresses. On both ends, we have AdTran T1 routers which connect to SonicWall firewalls. The ...
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1answer
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Multiple Set Peer for VPN Failover

I will have two Cisco routers at Location A serving the same internal networks, and one router in location B. Currently, I have one router in each location with a IPSec site-to-site tunnel connecting ...
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Automatic connect to VPN in Windows server 2003

I have my VPN set up properly in Windows Server 2003. But there are some issue in it. I have always been scheduled a restart at midnight, when the restart finish, the VPN does not automaticaly ...
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1answer
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IPv6 routing over VPN

I'm running OpenVPN on Debian Lenny and Tunnelblick on OSX. my goal is to have a fully routed VPN that supports IPv6. the OpenVPN server has a functional 6to4 device, so now my goal is to get the ...
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VPN with wrong subnet mask

I followed these instructions on www.hottonetworking.com to set up VPN on a clean install of Windows Server 2008 SP2 (not R2 yet). When I then establish a VPN connection to that machine from a ...
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Simple VPN for iPhone using Windows Server 2008

I have a Windows 2008 server running in country A and I am in country B with an iPhone. Country B censors the internet. Obviously this is not acceptable, I want to make VoIP/Skype calls and access ...
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Setting up RADIUS Server for use by a VPN device

Currently we have a Vigor 3300 router that acts as our VPN server. At the moment we set up connections for home workers manually in the device. What I would like to do is remove this extra step and ...
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Connecting to TFS over VPN

At work I can connect to the Team Foundation Server (TFS) from Visual Studio and do all the source control etc. that I need to. However, when working from home and connected to work via VPN I cannot ...
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1answer
925 views

MULTI: bad source address from client - any one-off solutions?

Setup: I have the an openvpn client/server setup (config files at bottom), and I get the infamous MULTI: bad source address from client [192.168.x.x], packet dropped message at server. The server has ...
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1answer
197 views

Error with a vpn client (PPTP protocole) over ssh

I have some errors when I use PPTP over ssh : sudo ssh -L 1723:127.0.0.1:1723 vpn-server@$192.168.1.1 192.168.1.1 is the vpn server ip. When I start pppd (client) whith the following command : ...
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1answer
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Software VPN connection to Amazon AWS VPC private instance [closed]

I have a Virtual Private Cloud (VPC) instance on Amazon AWS. Inside the VPC, I have a private instance which is running the database and a public instance which has the front-end web pages for ...
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1answer
805 views

Troubleshoot Broken TCP From OpenVPN Client To Server; But ping, traceroute Work

I'm troubleshooting an OpenVPN Server setup on OS X Mavericks. Prior to the 10.9 upgrade, this all worked, and I'm trying to isolate the problem to something fundamental or my server/client setup. ...
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2answers
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Handling domain joined laptops that are rarely on the local LAN?

We have quite a few laptops that are rarely, if ever, connected to the local LAN. Since they won't be able to contact a domain controller very often, having them joined to the domain doesn't work ...
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OpenVPN bypass on some ports

This is my first question here, so please be kind :-). I have a server running Debian 7 and I would like to connect to a VPN and let all the traffic pass via the VPN except for some ports (SSH, ...
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How to add vpn subnet to a private local subnet (both in different subnet address)?

I set up a xl2tpd vpn server on a router, and assigned the ip range from 192.168.191.2 to 192.168.191.244, and there's local network behind the router's lan side with a 192.168.1.0/24 ip range, so I ...
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How can Bonjour be setup to function over a VPN connection using Mac OS X — Mountain Lion Server?

I purchased Mountain Lion Server for our office thinking that Bonjour would automatically enable any computers connected via VPN to see all computers and applications (such as Bento) running on the ...
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Connecting to IPSec/L2tp with OpenSwan/xl2tpd from Windows7 to Amazon EC2

I am trying to connect from my Windows7 at home to my OpenSwan/xl2tpd setup on an Ubuntu EC2 instance at Amazon. It is a connection being NATed from both the client and server ends. I was following ...