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.

learn more… | top users | synonyms

3
votes
1answer
201 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 : ...
3
votes
1answer
832 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. ...
3
votes
2answers
5k views

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 ...
3
votes
1answer
1k views

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, ...
3
votes
2answers
167 views

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 ...
3
votes
2answers
4k views

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 ...
3
votes
2answers
2k views

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 ...
3
votes
1answer
2k views

PIX 506E, MTU, VPN Packet Fragmentation and Shoretel IP telephone system

We have two sites, a large Southern site and a small Northern site, that have a VPN between them defined on two Cisco PIX Firewalls. Over this VPN Shoretel IP phone traffic travels as well as all ...
3
votes
1answer
139 views

terminate ipsec transport at firewall?

I am exploring using ipsec transport mode to provide secure ipv6 access between 2 LANs and several remote users. I love the combo of a flat ipv6 global unicast address space combined with ipv6 ...
3
votes
1answer
9k views

Checkpoint VPN on Linux

I need to setup a Checkpoint VPN client with a customer who gave me these settings: Authentication Type: P12 certificate Password: * Peer Site: IP_ADDRESS They tell me the VPN server is: IPSO ...
3
votes
1answer
1k views

Iptables: Selective PPTP VPN routing

I've been able to set up TomatoUSB firmware with Ipredator via PPTP, the configuration is as follows: However, I don't want to use Ipredator PPTP VPN for every machine on my network, how to only ...
3
votes
1answer
3k views

SSH VPN tunnel without having to enable root

ive been trying to setup a VPN SSH tunnel and ive had success executing ssh -Nv -w 0:0 root@192.168.2.2 -p 50 however what i am wondering is, can i do the tunneling without having root unlocked ...
3
votes
1answer
284 views

Forward specific network traffic to other server

Is it possible to redirect incoming traffic on a specific port of my Ubuntu Linux server machine to another server (that has another public IP address and is located at another site)? I'm running a ...
3
votes
1answer
537 views

Passing client MAC addresses to DHCP server over VPN

I'm tasked with implementing VPN access on a gateway. The LAN DHCP server is configured to assign the same IP address to a given MAC address. I would like to have this functionality for clients who ...
3
votes
2answers
758 views

VPN to a customer's site locking out my local AD account

We have an account lockout policy on our domain which was put in place purely to stop brute force attacks. It locks out an account for 10 minutes after 50 bad logon attempts within a 10 minute period. ...
3
votes
1answer
2k views

Do not use VPN credentials to connect to network resources?

I recently deployed a new remote access VPN system at my company, using a Cisco ASA 5510 as the concentrator. The protocol is L2TP-over-IPsec for maximum compatibility across clients, and ...
3
votes
1answer
848 views

Site to site VPN : how does the routing work?

I've established a site to site VPN with two Zyxell routers. Site A (LAN: 192.168.16.x) is the main office, and site B (LAN: 192.168.17.x) is a branch office. Both sites are able to reach each other, ...
3
votes
1answer
2k views

site-to-site VPN between cisco ASA and 870 cannot ping remote network

I have two sites which are connected through site-to-site vpn from cisco. One site has a cisco ASA router, the other has a cisco 870 router The tunnel has been setup, and active, however I cannot ...
3
votes
1answer
3k views

VPN connection between Endian firewall and Android phones

We have an endian firewall (community, 2.4.0) as gateway, which is already serving as OpenVPN and IPSec endpoint (net-to-net). And we have many Android phones (most of them running Android 2.2 FroYo). ...
3
votes
2answers
1k views

Replacement/upgrade for RV082 wired router with VPN access

Current Configuration We have two sites that are connected via a gateway-to-gateway VPN tunnel using Cisco RV082 routers. We also have VPN access using QuickVPN for our Windows employees and PPTP for ...
3
votes
2answers
4k views

IPSec Tunnel to Amazon EC2 - Netkey, NAT, and routing issue

I'm working on getting an IPSec VPN working between Amazon EC2 and my on-premise. The goal is to be able to safely administer stuff, up/download data, etc. over that tunnel. I have gotten the tunnel ...
3
votes
3answers
1k views

Accessing MySQL server via VPN in python

Hi I have a MySQL server that I need access through a VPN. I use MySQLdb package to access MySQL server in Python. When I can access the server without VPN, it works fine, but when I'm at certain ...
3
votes
1answer
808 views

How can I create a VPN connect/disconnect wrapper around SVN commands?

My company has an internal SVN server (VisualSVN) we would like to start using for keeping track of changes to our python source code in the cloud. The ec2 instances would use the linux SVN client. I ...
3
votes
4answers
936 views

Easy to set up 2-factor auth server? (SecureID looks scary to set up) [closed]

I want to use two factor auth for my vpn users. You know, the secureid kind of thing where they have a changing number from a keyfob to enter. I got the free demo kit from secureid and... scary ...
3
votes
1answer
3k views

Site-to-Site Tunnel between Cisco Router and Windows Server 2003/2008

Has anybody successfully created an IPSec site-to-site tunnel between a Windows Server 2003 or 2008 and a Cisco router? We tried the steps outlined at: ...
3
votes
3answers
1k views

Linux IPSec issue. (CentOs 5.3, manual keying)

I'm creating an IPSec tunnel from a Linux box to a SonicWall firewall running standard firmware. The tunnel seems to be getting created just fine, but packets from the Linux box to the remote network ...
3
votes
2answers
519 views

OpenVPN: Where sould the private key be generated?

A friend of mine says that the keys (private and public) for the clients shall be generated at the server and somehow delivered to the client when setting up a new client for an OpenVPN based network. ...
3
votes
1answer
2k views

VPN error 619 - “A connection to the remote computer could not be established.”

Have been trying to get this PPTP VPN working on a CentOS 6 x64 VPS for a few days but im getting: "Error 619 - A connection to the remote computer could not be established." I did research on ...
3
votes
1answer
6k views

How do I configure pfsense as an outbound VPN client?

We use pfsense as a router/firewall. Because we're based in China, it is useful for us to have VPN access for all our internal clients. Instead of each individual client connecting to a VPN server ...
3
votes
1answer
3k 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 ...
3
votes
2answers
258 views

How to setup router on desktop linux to provide access to vpn subnet to other local machines?

I have a desktop linux (Ubuntu based 12.10, laptop, 1 network card) from which I connect to work vpn via standard pptp, so I can access local network and work network from the machine. On the desktop ...
3
votes
1answer
2k 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 ...
3
votes
1answer
1k views

Site to site VPN between Cisco VPN Router and Sonicwall NAT issues

I'm trying to establish a site-to-site VPN connection from office to datacenter. Cisco RV042G and SonicWall NSA2400 In the office; we have the subnet 10.0.0.0/24 defined and hosts from 10.0.0.150 to ...
3
votes
1answer
1k views

Set source address to use tun device does not work (Debian Squeeze)

There have been similar questions on StackExchange but none of the answers helped me, so I'll try a question of my own. I have a VPN connection via OpenVPN. By default, all traffic is redirected ...
3
votes
1answer
750 views

selective routing through a VPN tunnel

The problem: after establishing an IPsec VPN tunnel all traffic is routed to the remote endpoint, while I only need to route the packets destined to that internal network and still be able to access ...
3
votes
1answer
1k views

No TCP connections to hosts behind VPN server (SYN, SYN-ACK, but no ACK), UDP, ICMP works

I'm probably doing something incredibly stupid, but I just can't seem to figure out what. Here's what I'm trying to accomplish: I want remote users to be able to log into our network, so I set up a ...
3
votes
2answers
7k views

Force Windows to Stay Connected to Microsoft VPN when User is Logged Off

I have a Windows Server 2008 at a remote office location that needs to stay connected to the main office via VPN (standard Windows PPTP connection) even when there is no user logged in. Right now, ...
3
votes
3answers
2k views

How do I get internal hosts to use a VPN connection set up on a FreeBSD router?

Question in short: How do I get traffic from a host on an internal network, using NAT behind a router, to use a VPN connection set up on the router? I have a FreeBSD 9 router with 4 network ...
3
votes
3answers
1k views

VPN or RemoteDesktop?

I need to keep an eye on our small company server while I'm away. I Have Windows2008 server with a spare NIC and went through all the steps to setup a WIndows VPN. But before I set the port forward ...
3
votes
1answer
6k views

Watchguard L2TP over IPsec passthrough

I'm attempting to connect to a VPN (L2TP over IPsec) server through (not to) a WatchGuard XTM 505 appliance. I have the VPN server setup behind the firewall on a 1-to-1 NAT, and other protocols (such ...
3
votes
3answers
5k views

IP Phone over VPN - one way calls unless default route?

I have come across a strange problem with our VPN and BCM 50 (Nortel/Avaya) phone system. As you can tell by my other questions I have been doing some work on setting a VPN up from one location to ...
3
votes
1answer
350 views

Monitor Network Performance of VPN Servers from different locations

Our company has 3 VPN Servers in US. We want to monitor network performance ( the most important factor is how fast users from different locations in the world can download data when using our servers ...
3
votes
4answers
6k views

Using VLANs at 2 locations across VPN?

Forgive me if this question is horribly misguided. I'm primarily a developer, but my company has asked me to work on setting up their network for data and voip connections in a sensible way (I do have ...
3
votes
1answer
140 views

How do I configure my VPNs on my new firewall without taking out the old one?

I have a colocation facility with my main firewall in it. It has a bunch of site-to-site VPN tunnels built from the main firewall to the firewalls that are in the remote facilities. I want to ...
3
votes
1answer
5k views

DNS problems when connecting via VPN

So on my home network I run my own domain controller & DNS server. On my client machine (which is a member of this home domain), I connect to my work VPN and from that point my DNS messes up. My ...
3
votes
6answers
11k views

Samba over OpenVPN - horribly slow

I've set up a server to run OpenVPN, with the purpose of clients accessing Samba shares remotely. The server is running CentOS 5.6, a decent quad-core Xeon CPU and plenty of RAM. The client I've ...
3
votes
2answers
147 views

VPN Router question

What does it take to set up a wireless router to connect to a vpn service so everybody in the local wireless network surfs the internet through that vpn tunnel? What do I need to be careful about? ...
3
votes
1answer
290 views

Limit VPN login to members of a group

I'm running Cisco ASA5520's with PIXOS 8.2(1). I have my vpn setup to authenticate users from my ldap server. I need to be able to limit them to a specific group. My login base dn is ...
3
votes
3answers
2k views

Is it true that hosts doesn't work in VPN?

C:\WINDOWS\system32\drivers\etc\hosts Seems it's no longer working after I switch on the VPN. Is it the case ,or just my own mistake?
3
votes
2answers
2k views

PPTP Clients Connect But Do Not Have Network Access

I have clients that connect to a Window Server 2008 R2 box via PPTP. They are able to successfully negotiate a connection and receive a local IP address, but are unable to access any internal network ...