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.
11
votes
3answers
889 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
votes
1answer
23k 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 ...
5
votes
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 ...
11
votes
4answers
17k 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?
4
votes
11answers
3k views
Small business firewall/VPN device
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
3k 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 ...
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 ...
3
votes
3answers
2k 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 ...
2
votes
3answers
125 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
170 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 ...
1
vote
1answer
340 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
9k 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 ...
6
votes
3answers
11k 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 ...
2
votes
2answers
8k 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
964 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 ...
1
vote
2answers
233 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
182 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
545 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 ...
1
vote
3answers
17k 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 ...
0
votes
1answer
160 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
223 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
1k 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
1k 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 ...
0
votes
1answer
469 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 ...
-2
votes
1answer
129 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
25
votes
4answers
30k 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
39k 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 ...
11
votes
5answers
5k 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, ...
3
votes
4answers
5k 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 ...
5
votes
3answers
7k 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 ...
7
votes
5answers
3k 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 ...
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
441 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 ...
6
votes
2answers
1k 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
7answers
5k 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 ...
3
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 ...
2
votes
4answers
3k views
Wireless router with vpn server
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
6k 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 ...
2
votes
4answers
848 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. ...
5
votes
4answers
1k views
What is the best VPN technology to implement in a SOHO setting?
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 ...
4
votes
2answers
834 views
pptpd not working externally on Ubuntu Server 11.10
I am trying to set up a pptpd vpn on our newly installed Ubuntu 11.10 64 bit server, but am not having success having a client connect via an iPhone to the VPN. Note that no clients have been able to ...
4
votes
1answer
2k 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 ...
3
votes
3answers
4k views
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
...
3
votes
4answers
504 views
Free (as in beer) Cisco VPN equivalent for Linux client
I have several customers that I connect to via Cisco VPN Client (v5 if that matters) on Windows. I'm doing some tidying up and was wondering if there was a simple way to be able to connect to the same ...
3
votes
1answer
1k views
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 ...
2
votes
1answer
288 views
Configuring VPN on Windows Server 2008 with no DHCP
Please see the revised section at the bottom as the original question seems to have been a little convoluted
I have a cloud based virtual machine from my client's hosting company. The sole ...
2
votes
2answers
1k views
How do you prevent a VPN from exposing your IP when it disconnects?
I want every connection in a Virtual Machine (windows XP) to ONLY use my OpenVPN server, as soon as the connection is lost to OpenVPN, I want to lose all internet connectivity in the VM. Naturally the ...
1
vote
0answers
364 views
OpenVPN on AWS EC2 gives Error Code 1232 (Transmit Failed)
I am using OpenVPN for a VPN client in an Amazon's EC2 machine instance of Windows Server 2008 (32bit). It successfully connects, briefly, and I get
Reply from 10.9.0.1: bytes=32 time=39ms TTL=64
...
0
votes
1answer
115 views
How do I export my web-host's (VPS) filesystem to an image to load locally in a VM?
I'm a dev new to sysadmin, armed with root access to a linux box. I want to practice a bit on the configuration in a local virtual machine.
What setup would I need to do this?
My current idea is:
...
