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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What is the best VPN technology to implement in a SOHO setting? [closed]

Most firewalls/VPN appliances today allow you to select one of the various tunneling technologies available. The most popular are IPSEC and PPTP, although I've heard good things about OpenVPN. Is ...
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VPN within a Remote Desktop session

I connect to a server on my local network via Remote Desktop. I then need to make a VPN connection out to the internet from within that Remote Desktop session. However that immediately disconnects my ...
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How secure is limiting site access by IP? [closed]

I'm currently developing software which requires various remote sites to securely connect to our servers to access a basic webapp. Up until now, I've been working on a client/server VPN setup - it's ...
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How to connect to a Juniper VPN from Linux

The Windows users have a new client "Juniper Pulse" to connect to the Juniper VPN server. On Linux, what VPN client do we have to connect to that Juniper VPN, with maximum compatibility? Please ...
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Why VPN when I can just use SSH keys?

A friend of mine installed VPN on our LAMP development server. Previously, we just used SSH and sometimes SSH public keys to avoid password prompts. My question is, what is the advantage of using ...
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Can Wake on LAN work on VPN connection?

Is it true that we can’t allow any machine to sleep that may need to be accessed var a VPN connection? (I am asking this on server fault as it is as much about VPN servers as about the end user PCs ...
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Have one application use VPN while others do not in Linux?

I want one application to use a VPN connection while others do not. I'm using Xubuntu (thus XFCE) but I'd like a command line / static configuration solution if it's possible. Is it possible to ...
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Network isolation with IPv6

It is my understanding that network address translation (NATing) goes away with IPv6. How do we isolate network resources to those that need them from the rest of the internet? I am specifically ...
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Improving VPN performance - stronger encryption = more performance?

I have a site-to-site VPN set up with two SonicWall's (a TZ170 and a Pro1260). It was suggested to me that turning off encryption (so the VPN is tunneling only) would improve performance. (I'm not ...
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What is a “VPN Consolidator”

A client recently mentioned using a VPN consolidator for remote access to their server. I've never heard this term used before. Is it some type of slang that I'm not familiar with? I did a bit of ...
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Cisco VPN Client on Vista - Virtual Adapter

I have used the Cisco VPN client for years, and on XP it is pretty much rock solid, on Vista, not so much. You might be able to connect, but unless you set up a constant ping to something, it usually ...
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How to Configure Secure Connectivity between Multiple Subnets

I have the following setup 2 x linode vps 1 x lab (physical) running 4 vps My goal is to make it so all nodes act as if they are on the same LAN. This will allow me to alter IPTable rules, to allow ...
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Windows VPN always disconnects after < 3 minutes, only from my network

First, this problem has existed for almost two years. Until serverfault was born, I pretty much gave up on solving it - but now, hope is reborn! I've set up a Windows 2003 server as a domain ...
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How do I route a public IP range over an IPSEC VPN?

So, I have an established IPSec Site to Site tunnel. Site A has a SonicWall, Site B has a EdgeRouter. The first tunnel consists of Site A's NATed ips to Site B's NATed ips. Everything works as ...
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Can't resolve host through VPN connection from Mac OS X

The Preamble I set up a VPN connection from my Macbook, and it seems to connect successfully. However, I can't access my work computer because hostname doesn't get resolved: $ ping myusername ...
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Windows Server 2008 R2 as VPN Server

I'm going to be setting up a network at a data center and I was wondering if it's possible to have Windows Server 2008 R2 act as a VPN server. Also, I've heard there are 3 main types of VPN: PPTP, ...
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Making an ASA TFTP backup through VPN

I have a site to site VPN configured between two ASA 5520s. I have a TFTP server behind ASA1, with an IP of 172.16.1.1 on the "inside" network. I'd like to be able to copy the running config of ASA2 ...
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3answers
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Cisco 877 as a VPN server?

I have a Cisco 877 router which connects my network to the Internet using an ADSL line, a single public IP address and NAT; the IOS version is 15. Everything is working ok, but I'd like to configure ...
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192 views

Remove Server 2012 Remote Access Server

My IT director was walking me through setting up a Server 2012 VPN/RA server. We did not do this in our test environment, and now I would like to remove it. I know that when installing this server it ...
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2answers
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Connecting to basic office network from the outside

Back Story: I work in the IT Department for a company that got its start by being given space to work out of from a warehouse when my company first got its start about a decade ago. Ever since then, ...
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Ubuntu Connect To SSTP VPN

Does anyone have any experience with connecting an Ubuntu 10.10 machine to a SSTP VPN server? I haven't found anything too great of information on how to do it.
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VPN server on Windows Server 2008 for a small office

I'm going to refurbish the IT-infrastructure for a small organization with one single office, and I'm not sure what VPN server to use. In your opinion, would the built-in Windows Server 2008 VPN ...
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How do I setup virtual networking Xenserver?

I'd have a network like this currently. Basically, It's two Xenservers connected to our colocation provider's switch via one ethernet cable per server. Each server currently has a second ethernet card ...
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Windows VPN client connect on different port

Scenario: Two Windows Server 2003 machines running RRAS VPNs. The firewall port forwards 1723 to one of those machines for normal remote access. I'd like to find a way to connect to the second machine ...
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732 views

Can't access database server over VPN

I am attempting to connect to an Oracle server via a VPN. I have tried to do so, unsuccessfully, from OSX and, alternately, from a Windows XP VM machine (VMWare Fusion) running on OSX. I can, ...
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Windows VPN server can talk to VPN clients, but won't send packets from its local network to the VPN clients

I want to configure Windows Server 2012, and its Windows 7 and Windows 8 VPN clients, with an SSTP VPN that uses split tunneling and off-subnet addressing, but I'm running into a problem: the RRAS ...
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File transfer problems through VPN when Cisco IPS is enabled

We have a Cisco ASA 5510 firewall with the IPS module installed. We have a customer that we must connect to via VPN to their network to exchange files via FTP. We use the Cisco VPN client (version ...
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Small business firewall/VPN device [closed]

What's a good small business (<50 users at a location) firewall and VPN device? Wireless would be a nice addition, and I'm thinking of something in the $1,000 range. This would be for businesses ...
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Best way to create a vpn between two windows machines?

I'm looking for way to create a VPN between two windows machines. I want the installed software to behave as if the two computers are connected through a LAN. What's the best (free) way to do it? ...
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Why do VPN connections break when I sleep my computer?

On the limited (Cisco) VPN systems that I've used, the VPN connectivity is broken when my computer is put to sleep and must be re-established on wakeup. Is this a necessary property of VPN?
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What is the recommended way to permanently connect two remote linux based environments together?

We have a linux based environment hosted remotely and a few spare machines in the office. I'd like to use those machines as workers for the remotely hosted application though they would need permanent ...
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How difficult is it to setup Mac OS X Server?

We are a small office of about 4 people, and we would like to have a 27-inch iMac (Core 2 Duo) setup as a server and workstation simultaneously, using Mac OS X Server. This might seem like overkill ...
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HTTPS vs. VPN for communication between business partners?

A business partner has asked to set up a site-to-site VPN just so that a few servers can communicate with each other over HTTPS. I'm convinced this isn't necessary, or even desirable. To be fair it ...
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What is difference between OpenVPN and PPTP?

I know PPTP is based PPP, so what is the openVPN based on ? can the packets of openVPN be routed by ubuntu server ? thanks!
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Reaching a Linux server with a private IP without VPN

I'm working on a network where I can't obtain a public IP address or set up VPN access. Is there a way that I can communicate with a local server remotely by using an intermediary in the cloud that ...
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Tips and Suggestions IP Address Re-Addressing?

My ever evolving and expanding local area network is currently using a class-C address. My network consists of multiple subnets depending on site/location. 192.168.1.x is site HQ 192.168.5.x is ...
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How secure is a VPN connection over WiFi?

I travel a lot and connect to public wifi hotspots all the time. What information will be given out if I use VPN within public wifi hotspots? Will the owners or intruders in the hotspot be able to ...
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Tunneling all TCP and UDP traffic through a Server?

On a Linux or Windows system, how would it be possible to tunnel all TCP/UDP packets through a thirdparty server? What would one use, does it work with SOCKS5, OpenVPN or SSH?
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Does Windows 7 VPN work with a Cisco ASA 5510

We have a Cisco ASA 5510 router and are trying to get a couple users setup for VPN access. They are running Windows 7 x64 at home and cannot install the VPN client we have for our router (it only ...
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What is difference between L2TP and PPTP?

I need a high performance VPN server, who can tell me the difference between L2TP and PPTP ?
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Problems with SCP stalling during file copy over VPN

I have a series of files I need to copy via SCP over a VPN to a remote linux server each night. The files are not large, we're talking about tens of megabytes here, but the file copy almost always ...
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How can I speed up file transfers over VPN?

Our VPN users experience very slow file transfers (50MB can take 20 minutes with a 20Mbps FiOS connection on each side). If the file is transferred over HTTP or FTP, it's just as fast as you expect. I ...
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1answer
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Can my ISP know that I am connected through a VPN?

I have a general understanding of VPNs and how they work. However, I am not sure of how the initial request is seen by my ISP? For example say I am connected to an OpenVPN provider, what happens when ...
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Fortigate VPN client “Unable to logon to the server. Your username or password may not be properly configured for this connection. (-12)”

We're running a Fortigate 100D, and having some trouble with the SSL VPN via FortiClient. I installed FortiClient on an external Windows 7 PC a few days pack and the SSL VPN connected and worked. I ...
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3answers
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Is a cloud-based domain controller behind a VPN feasible?

I'm considering setting up a windows domain controller in MS Azure within an Azure virtual network. Goal is to be able to centrally manage GPs and users. Is this even feasible, since the client ...
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2answers
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OpenVPN DNS Fails to Resolve

I am connected to an OpenVPN server that is configured with the options to redirect the VPN as the default gateway and to push my internal DNS servers: push "dhcp-option DNS 192.168.1.2" push ...
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Connect to a Fortinet VPN with Ubuntu

I don't know a lot about VPNs but I'd like to connect to a Fortinet VPN with Ubuntu. I can connect on Windows using Forticlient just by entering the policy server (vpn.theserver.com) and then it asks ...
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How to make iPhone Cisco VPN client work with ASA with certificate authentication

I have an ASA that's providing IPsec VPN services using certificate authentication (no xauth, just the certs). It works perfectly with the Cisco IPsec VPN Client. Now I'm trying to let iPhones ...
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pptp (pon) fails when called via cron (debian) [solved]

I have a pptp VPN link dialing from my (debian) linux server here, to an ISA2003 server at a remote site. The internet connection at (both) ends is somewhat dodgy, so I have written a little script ...
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SSH remote access vpn tunnel

I have two machines both running CentOS linux, one is public facing machine with a real ip address (foo). The other is at a client's site behind a very restrictive firewall and with no real ip and no ...