OpenVPN is a free and open source software VPN solution. It allows secure point-to-point or site-to-site connections with routed or bridged configurations and remote access facilities.

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OpenVPN - can I use an existing SSL certificate?

I want to setup OpenVPN server for my personal usage. I own domain and I have valid SSL certificate for this domain (issued by StartSSL). At the beginning of the setup instructions for OpenVPN ...
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12 views

OpenVPN --route-up Missing environment variables when passing to script

I'm diving into the glory of OpenVPN and I'm having a bit of trouble manually configuring the routing tables. I'm on Arch Linux. I know OpenVPN automatically updates the routing tables when ...
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42 views

Client successfully connects to OpenVPN server but with no internet access over the VPN

I'm trying to setup OpenVPN with static key authentication(instead of TLS) on TCP port 443; but the client cannot access the internet over the VPN after connecting to the server. Here's my current ...
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9 views

OpenVPN - Http proxy - connection reset

I am dealing with a problem in OpenVPN (I think so) and maybe someone can help to sort it out. I am connecting to the internet through a HTTP proxy server (10.0.0.1:8080). As I set manual ...
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0answers
21 views

How to setup multiple OpenVPN connections on a server for a single localhost app to use on CentOS 6.5?

I have a scenario where I need to run several OpenVPN connections at one time and to allow a singular application to access each of these connections. How wold I go about starting up several ...
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1answer
34 views

How to use a Linux OpenVPN client host as gateyway for a Windows OpenVPN client host?

I have an environment where I have a OpenVPN server (Linux) and a few OpenVPN clients (both Windows and Linux). All those hosts (server & clients) are connected to the Internet, they are not ...
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1answer
29 views

How to forward a port to multiple internal ips

I have a Centos 6 64 bit server with OpenVPN installed. I'm using this iptables rule to forward a port for an OpenVPN user: iptables -t nat -A PREROUTING -p tcp -m tcp --dport PORT -j DNAT ...
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2answers
31 views

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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1answer
45 views

Same routes under VPN - how to workaround?

I only have basic experience with VPNs (mostly OpenVPN) and mostly theoric, but now I want to set up something more complex and I am evaluating the possible issues that I may face. I will try to ...
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3answers
54 views

is it possible in this case to get two IPv6 networks to communicate over the IPv4 Internet?

I have a setup of a laptop connected to a cellular IPv4 network (3G usb dongle) and PC connected to another IPv4/IPv6 network. Both have been configured to run as IPv6 routers and each has its IPv6 ...
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1answer
19 views

Allowing access to subnets openvpn access server

I have a centos server running a openvpn access server. On that server I am running a windows server in virtual box. On the centos server I am running the vpn with a network address 172.27.224.0 with ...
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18 views

OpenVPN TAP binding order issue

I am running a 64bit Windows 7/8 AD environment using OpenVPN on remote computers to access our network/servers in our main office. Typically, once we install OpenVPN on a new machine and configure ...
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2answers
100 views

Configure firewalld for OpenVPN (server-bridge) in Fedora 20

I've installed an OpenVPN server (server-bridge) on Fedora 20, but I cannot get it to work. I'm almost sure that It's a firewall issue. I'm trying to connect from an OSX client, but I can connect ...
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0answers
24 views

Policy routing local user's traffic down a tunnel

I've got a Linux based Firewall/Router running iptables and SNAT for traffic passing through it to the Internet via a single uplink - This is working fine. There is also a small number of applications ...
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1answer
36 views

VPN with client-to-client direct connectivity?

When setting up a VPN, clients (say client1 and client2) usually authenticate to a server, and together the three constitute the VPN. When client1 wishes to send a packet to client2, this packet ...
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1answer
44 views

How can I create routes between two separate LANs on the internet over an OpenVPN tunnel?

Diagram I have separate router/OpenVPN appliances at two different sites. The appliances are actually TP Link routers running OpenWRT 12.09, r36088. I would like clients behind these two routers to ...
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1answer
50 views

OpenVPN tunnel one-way traffic failure between LAN and AWS VPC

We are trying to configure an OpenVPN tunnel that allows devices on our LAN to communicate with servers in an Amazon VPC. We are using the turnkey OpenVPN access server instance on Amazon and have ...
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1answer
44 views

OpenVPN with no internet access

I am using OpenVPN and am able to connect, but with no internet access anymore. Here is my ip table: sshadmin@mdpi1:/etc/openvpn/easy-rsa/keys$ netstat -nr Kernel IP routing table Destination ...
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28 views

Routing traffic from LAN over VPN link out to 'net; works from router, not from LAN. What route is missing?

I have 3 machines. 2, routers, are connected over a VPN. The 3rd is a PC on the lan behind one of the routers. internet | | ROUTER S1 external: YYY.56.52.56 ...
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41 views

How to set up an OpenVPN server to accept server certificates as clients

I'm setting up a LAN to LAN VPN using openvpn. For reasons of easy certificate management I wish to re-use the server certificates which already exist on each host. I've set in the config file ...
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1answer
52 views

Config OpenVPN on Window Server 2008 R2 for client can connect server's Lan network

I installed openvpn 2.1 on my Windows Server 2008 R2. My server has 2 network adapter. The first adapter connect to internet. (default gateway here) The second adapter connect to lan network. ip ...
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1answer
26 views

OpenVPN connection breaks after a few seconds

For the last hours I have been trying to connect to a VPN network through openVPN. My connection settings are: IPv4 tab: Method: Automatic VPN Routes: Use this connection only for resources on its ...
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1answer
40 views

Is Dual Alternative authentication (User/Pass OR Client Certificate) possible with Open VPN?

I'm setting up a VPN network for multiple offices Using OpenVPN. This is dual purpose: LAN to LAN VPN allowing traffic to be seamlessly routed between offices. Allowing users to connect onto the ...
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1answer
33 views

Adapting the simple Open VPN example to get multiple client

The sample OpenVPN configuration in Debian documentation https://wiki.debian.org/OpenVPN gives the following code. Server /etc/openvpn/tun0.conf: dev tun0 ifconfig 10.9.8.1 10.9.8.2 secret ...
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1answer
55 views

How to run “Securepoint VPN client” as a “Microsoft Windows (WIN)” service?

PROBLEM For some reason the original OpenVPN software under Windows does not work for me. So I found an alternative from Securepoint that works for the first time. Unfortunately it does not have ...
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15 views

Chef - handle resources changing the network interface

I'm using chef to deploy an openvpn application in bridging mode to an ubuntu node. In my recipe i'm using a bash resource to create the bridge necessary for the vpn to work. Unfortunately the bridge ...
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32 views

OpenWRT firewall redirect punch through

I am using an OpenWRT based firmware on a Netgear router as part of a research project that links the router to an existing broadband router to allow members of the public to access the internet via a ...
2
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1answer
49 views

pfSense Cluster not working with Manual NAT

I have two pfSense clusters, one is 2.1.4 and one is 2.1.3. The directions suggest that Manual Outbound NAT is required, but the 2.1.3 cluster is working just fine using Automatic NAT, servers and ...
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24 views

Routing, OpenVPN and blocked Packets to Router

I have a running Zentyal Router. Now I have created a Softether-VPN (which wraps OpenVPN basically), to connect to this network per Network-Bridge/L2-Switch. So, when I connect per VPN I am in the ...
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2answers
96 views

Gateway gets stripped from DHCP Reply through OpenVPN tunnel

I have a bridged OpenVPN setup. This is my server config: port 1194 proto udp dev tap0 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key ...
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1answer
44 views

OpenVPN, How to filtering client

I have a problem with limiting "client" with my VPN server. I was reading the FAQ about using iptables with disable option client-to-client, but i cannot run it. The question is how correctly allow ...
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1answer
86 views

OpenVPN not assigning fixed IP

I am configuring an OpenVPN server on my VPS and I'm trying to assign fixed IP to clients (to be able to apply firewall rules later on). Here is my /etc/openvpn/server.conf #Serveur UDP/443 mode ...
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1answer
80 views

My server goes offline when I start my OpenVPN service

I currently have a VPS with DigitalOcean and setup a OpenVPN following this tutorial: https://www.digitalocean.com/community/tutorials/how-to-setup-and-configure-an-openvpn-server-on-centos-6 and ...
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1answer
110 views

pfSense failover and OpenVPN site-to-site

I have two pfSense Clusters, and am trying to connect them with an OpenVPN site-to-site VPN. Initially, the client was a single pfSense system, and all was well. Now that one system is a cluster, and ...
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1answer
43 views

OpenVPN Site-to-Site Routing Woes

I'm fighting with an openVPN setup for connecting two sites. This is what the scenario looks like Office 1 (server): local network: 192.168.178.0/24 openvpn server public ip: 192.168.178.2 on br0 ...
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1answer
67 views

TLS Error on OpenVPN

Client: OpenVPN 2.3.4 64bit (Works fine connecting to my pfSense at home) Server: OpenVPN 2.2.2 installed via yum Followed this guide: ...
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1answer
29 views

OpenVPN routing

My VPN network is 10.10.10.0 Apart from the server I have two special machines. I need all the clients to see 10.10.10.10 and I also need 10.10.10.30 to see all the clients. Enabling ...
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2answers
262 views

User's private key is used for auth only?

I have a simple question regarding OpenVPN protocol. Let's suppose we have two different users, with different keys for the same server, and both keys 1024bits. If this two users make the exactly same ...
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1answer
33 views

OpenVPN client breaks remote access to web server

I have an issue where whenever I use OpenVPN client to connect to the remote server to (obviously) set up a VPN tunnel, I can no longer see my nginx server. I can connect on the local network but it ...
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1answer
116 views

Unusual OpenVPN server log entries every minute - Connection reset, restarting [0]

OpenVPN is running on pfSense 2.0-release. Until recently, these messages had not occurred. In the OpenVPN server logs, the follwing set of messages repeats every minute openvpn[34562]: ...
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1answer
36 views

VPN routed traffic, response goes outside of VPN?

Here's a weird one. Whenever I'm on a hotel network I tend to like to route all my traffic through my home network. Mainly since I'm not entirely sure all my passwords go through SSL all the time. ...
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0answers
53 views

openVPN on TCP 443 + sniproxy only for certain IPs - is it a way to do it?

I'm currently running sniproxy and https server. If user is known (IP is known) iptables just allows connection to sniproxy which redirects user to desired website or local https server (127.0.0.1 ...
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0answers
57 views

OpenVPN Linux Client does not bring up tap0 interface

I have an OpenVPN client on Linux connecting to an OpenVPN server. The server assigns IPs via DHCP, thus I connect using the tap interface rather than the tun interface. OpenVPN connects, ...
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1answer
87 views

Openswan and OpenVPN

I have installed Openswan and have configured IPSec tunnels and they work perfect until i install OpenVPN. Now i can't find out way the ping wont work. When i execute the "service ipsec status" it ...
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36 views

Logstash, send output of analyse to a web service

I am actually looking for a way to analyse the logging from my OpenVPN server. I tought about using logstash to analyse those log. If logstach find any certificate that are expired, I want him to ...
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3answers
73 views

OpenVPN client connects but only loads SOME websites

I set up OpenVPN server on a Ubuntu 14.04 VPS using OpenVZ. I can establish a connection to the VPN with a client. I can access some pages like Google and twitter but a lot of sites fail to load. I ...
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1answer
137 views

iptables forward port range through OpenVPN

I have a VPN server (the "host" - 10.8.1.1) on a public VPS instance running OpenVPN. The second instance I am running (the "client" - 10.8.1.2) is a local ESXi instance connected to the host vpn ...
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0answers
60 views

Zentyal VPN Tunnel not routing properly?

I'm new to Zentyal and trying to set up a Zentyal-to-Zentyal Tunnel. There's 2 Offices. One uses a standard ADSL connection and the Zentyal (A) Gateway sits behind the Router. The other one is a ...
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1answer
19 views

Can I use --duplicate-cn option for a specific VPN account instead of using at server level?

If I use --duplicate-cn I am seeing it taking effect over all the accounts of my server. I want to make it per client basis, so that I can give this option only to select accounts. Is it possible?
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20 views

Accelerating OpenVPN using multiple connections

My ISP throttles single connection downloads, but if I use an accelerator like aria2c and open lets say, 20 connections, my download speed shoots through the roof. I have been able to saturate my ...