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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1answer
34k views

How to set up strongswan or openswan for pure IPSEC with iPhone client?

I'm having trouble finding concrete, up-to-date information for how to set up strongswan or openswan to be used by the iphone's VPN client. My server is behind a budget linksys NAT router. I found ...
10
votes
3answers
14k views

OpenVPN and DNS. How to?

I'm using OpenVPN to set up a VPN to connect my laptop at home to my workplace LAN. I want to be able to refer my workplace computers by their name and not by their IP but I can't. This is my ...
1
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2answers
3k views

Connecting to a remote server through a VPN when the local network subnet address conflicts with a remote network

This is a Canonical Question about solving IPv4 subnet conflicts between a VPN client's local network and one across the VPN link from it. After connecting to a remote location via OpenVPN, ...
12
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3answers
1k views

Can you recommend a good intro to iptables?

I have to setup a firewall on a Linux server (all my previous experience is with Windows). My rules are meant to be pretty simple - forbid all, allow some ports with all, allow some ports for specific ...
14
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4answers
26k views

VPN client connect/disconnect via command line in XP

In an XP Pro workstation, is there a way to start the native Windows VPN client and open/close a connection from the command line so it can be scripted in a batch file?
5
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6answers
2k views

Cheap and easy solution for VPN?

I would like to access my office-network from remote via VPN. My router is a Zyxel Prestige 600, and from what I have been able to google, does not support VPN in itself. What would be a cheap and ...
6
votes
7answers
11k views

VPN Connection causes DNS to use wrong DNS server

I have a Windows 7 PC on our company network (which is a member of our Active Directory). Everything works fine until I open a VPN connection to a customer's site. When I do connect, I lose network ...
4
votes
11answers
3k views

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 ...
6
votes
4answers
4k views

How to automatically assign a route to client in Windows Server PPTP VPN?

Is there a way to configure PPTP VPN on Windows Server which automatically tells the client to add a route for the private network? I have to do it manually on every PC (once) using following command ...
3
votes
3answers
3k views

What might prevent IKE handshake success in building an IPSEC tunnel?

We use Cisco ASA for our IPSEC VPNs, using the EZVPN method. From time to time we encounter problems where an ISP has made a change to their network and our VPN stops working. Nine times out of ten ...
6
votes
2answers
14k views

L2TP client for Ubuntu

It's easy enough to get a pptp client going on a Ubuntu 9.04 (Jaunty) desktop: sudo apt-get install network-manager-pptp However, I can't seem to find documentation find a corresponding L2TP ...
4
votes
1answer
3k views

PPTP VPN iptables firewall issues csf

I am having a problem with iptables and a PPTP VPN, I have read related topics both on hear and online but still can't get it to work! I am trying to set up PPTP on an ubuntu server on our local ...
2
votes
3answers
422 views

Netgear VPN LAN2LAN address translation

Here's my question: I have set up a VPN IPsec LAN2LAN (or site2site) with the following parameters: local subnet: 10.178.51.64/27 remote subnet : 10.174.0.0/16 The vpn tunnel comes up correctly ...
2
votes
1answer
216 views

Sending specific traffic through VPN

I am trying to configure a server to automatically copy some files to a remote machine. In order to make the copy work, I need to establish a VPN connection to the remote network. I can use ...
2
votes
1answer
623 views

How to configure Routing, VPN and masquerading in Windows?

I need to link a branch office to a new subnet. I'm doing something wrong. I try to be more specific: I have this object virtually connected as follows: GW_U ---- S-OpenVPN ----- OpenVPN-C ----- ...
1
vote
1answer
10k views

PPTP VPN - users cannot access internet via the server

I have set up a pptp vpn on windows xp, and added the users. The vpn users can connect to the server, but once they are connected they can't access the internet via the vpn server which should act ...
0
votes
1answer
548 views

Configure routes in OpenVPN

I am trying to figure out how to setup routing on OpenVPN. I have successful connection between client (OS X Snow Leopard) and server (OS X Leopard Server), and each can ping the other. However, I am ...
4
votes
1answer
24k views

IPsec VPN site-to-site: How should I configure the ipsec.conf files on both sites to get the tunnel up?

What I am trying to do is to create a site-to-site IPsec VPN between my network and my friend's network. We both have a router and two computers on each router, with all computers running Linux. So I ...
2
votes
1answer
1k views

strongSwan ipsec setup, couple of questions

i am trying to setup a IPsec bridge between my home network and my office network. I want to use StrongSwan to encrypt the traffic as IPsec i am trying to follow this guide A brief description of ...
2
votes
2answers
10k views

Error connecting to Sonicwall L2TP VPN from iPad/iPhone

A client has a Sonicwall Pro 2040 running SonicOS 3.0, and they'd like to be able to use the L2TP VPN client from their iPads to connect to internal services (Citrix, etc). I've enabled the L2TP VPN ...
2
votes
2answers
1k views

BGP Multihomed/Multi-location best practice

We're in the process of designing a new iteration of our network where we improve resilliency by adding a second datacentre. We'll be adding a second datacentre, with an identical configuration of ...
2
votes
3answers
21k views

windows pptp vpn client *do not* use default gateway on remote network

By default the windows vpn client has this checked in the advanced tcp/ip settings: Use default gateway on remote network... I do not want to use the default remote gateway... (the clients internet ...
1
vote
1answer
47 views

PPTPD VPN only forward DNS requests?

Is there any possible way of configuring a PPTPD VPN server to only forward DNS requests on so that I can save bandwidth? Thanks, Francis
1
vote
2answers
831 views

Trying to set up OpenVPN server on a vps

I'm trying to set up an OpenVPN server on my VPS for myself when I'm in public places, using this tutorial, http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/ However whenever I try to start ...
1
vote
3answers
405 views

Slow PostgreSQL response over VPN

I'm having a problem with a medical records program that uses a Postgre SQL as a backend. Several offices are connecting to a corporate site via Cisco VPNs. There is an ASA5055 at corporate and most ...
1
vote
5answers
767 views

Windows Vpn Server & Client Solution (Like Kerio)

I need a VPN Server + Client Application like Kerio WinRoute anybody know any good solution? ( the problem i have with kerio is that it does not limit users to a single connection so many computers ...
0
votes
1answer
235 views

Restrict VPN user to Remote Desktop only with Sonicwall

Basically I want him to only be able to log onto the VPN in order to use Remote Desktop to use HIS machine. Not surf the internet or do anything like that, but just use the programs on his machine ...
0
votes
2answers
332 views

Set up a GRE tunnel with Cisco PIX-506 v6.3

I'm trying to establish one half of a GRE tunnel, the other being configured by my service provider. I have a Cisco PIX-506-E running Firewall version 6.3(5). Provider Router Public IP: 8.8.8.8 My ...
0
votes
1answer
2k views

Create PPTP VPN gateway on Amazon EC2 instance?

We are a small software development company and have Amazon EC2 Windows instances set up as workstations that developers can remote desktop into and work on source code. We have a client network ...
0
votes
1answer
2k views

Dynamic DNS registration for VPN clients

I've got a VPN server set up in my Active Directory on a remote network. (VPN Server is separate box from DNS/AD) When I dial into the network (client machine is not a member of the AD) the machine ...
-2
votes
1answer
141 views

Windows2003 as VPN server no internet access

I setup my win2003 server as a VPN server and I can connect to it in client side. But I can't access Internet in client even as administrator. I read related questions and as they suggested, i've ...
7
votes
6answers
5k views

Cisco VPN Client for Windows

is there any Free Cisco VPN Client software for Windows ?
35
votes
5answers
49k views

Should I use tap or tun for openvpn?

What are the differences between using dev tap and dev tun for openvpn? I know the different modes cannot inter-operate. What is the technical differences, other then just layer 2 vs 3 operation. ...
5
votes
7answers
42k views

How to setup VPN on home network [closed]

I am a software developer. I travel and sometimes have a need to access my files at home and tweak other family members computers. I would like to connect to my home network via VPN and then RDP ...
3
votes
4answers
6k views

“Primary” DNS when there are multiple network connections

I have a machine that has a LAN network connection, which is used for internet access. This machine also has to be connected to a VPN connection. When the VPN is connected, Windows seems to ask the ...
12
votes
5answers
6k views

Windows SSH Tunnel Manager

What application do you use on windows to create SSH tunnels On Linux I use gSTM, and on OSX I have used STM, but I am not able to find any similar free tools on windows. I don't want to use putty, ...
5
votes
3answers
8k views

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 ...
12
votes
3answers
17k views

Windows Advanced Firewall: What does “Edge Traversal” mean?

this should be a really simple one: In Advanced Windows Firewall on Windows Server 2008+, Properties > Advanced, what does "Edge Traversal" mean? I Googled it, of course, and was unable to come up ...
10
votes
6answers
15k views

Checkpoint VPN Linux Client

Is there a Linux client for Checkpoint VPN? Preferably for Ubuntu? -- Rubem
7
votes
5answers
5k views

What is TLS and how does it compare to SSL?

Is TLS the "new" version of SSL? What features does it add, or security issues does it address? Can anything that supports SSL support TLS? What would be involved in making the switch? Is the ...
3
votes
1answer
2k views

OPENVPN route all traffic - Synology

I have a synology NAS that is my OPENVPN server. I am always on the road and I want to route all of my traffic through my house. Here is my config and my log. config file dev tun tls-client ...
2
votes
2answers
3k views

Simplest VPN setup for iphone on Debian Linux? [closed]

I have a Debian server that I would like to use as a VPN server for my iphone. I don't need multiple users or bullet proof security. All I'm really looking for is good enough protection to make ...
1
vote
1answer
599 views

Masquerading IP to get internet working on VPN

I set up a pptp VPN server on a debian-squeeze server just fine, I can connect to it from Windows 7, but pinging any external hosts (like google.com) fails. Pinging 10.0.0.1 or 10.0.0.10 works as ...
10
votes
1answer
26k views

LDAP authentication for SonicWALL VPN

I'm trying to configure my SonicWALL to allow LDAP authentication for VPN users. I've done this before with another device, and I remember it being pretty simple. But I can't get it to work this ...
7
votes
2answers
2k views

IPSec VPN between Amazon VPC and Linux Server

I'm trying to set up an IPSec VPN connection between our corporate network and Amazon's Virtual Private Cloud, using their VPN system and a Linux server. Unfortunately, the only guide I've found ...
4
votes
2answers
2k views

Differences between SSH's tunnels and OpenVPN

I discovered that recent OpenSSH has support for tun devices. When it comes to tunnels and VPNs, I always thought the main programme was OpenVPN. Are there any advantages to using SSH tunnels? What ...
3
votes
4answers
873 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. ...
2
votes
0answers
803 views

Errror on connecting to VPN-server by Demand-dial interface (Windows Server 2008 R2)

I have several LAN-interfaces and internet access over VPN (connect to provider VPN-server). I want to setup NAT from local area networks to internet. For this I install on Windows Server 2008 R2 ...
2
votes
4answers
3k views

Wireless router with vpn server [closed]

I'm searching for a WLAN (Wifi) Router that can be used as VPN server as well for my home office. Any good suggestions?
2
votes
3answers
7k views

OpenVPN Hardware Requirements

I am planning an new network. All the traffic coming out of this network will be fowarded into a VPN in order to exit out onto the Internet on a distant server. This will be done via OpenVPN. There ...