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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771 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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58 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
90 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
132 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
167 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
107 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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54 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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121 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
550 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
102 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
154 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
85 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
242 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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0answers
32 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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0answers
99 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 ...
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1answer
169 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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46 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
530 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
197 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
158 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
485 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
536 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
730 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
353 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
34 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
288 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
106 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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2answers
2k 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
63 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
134 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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191 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
441 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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3answers
183 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
212 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
328 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
45 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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48 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 ...
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129 views

Openvpn server behind NAT router with PPTP connection to service provider

I have Zyxel router connected to service provider using PPTP. Behind the router there is a Ubuntu box with OpenVPN server. I would like to forward a port for OpenVPN server to access it from internet. ...
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87 views

OpenVPN in bridged mode, confusion about interfaces

I'm trying to understand some fundamental OpenVPN/networking basics. Let's assume the following scenario: there is an openVPN server which is already configured properly it runs in bridged mode the ...
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1answer
113 views

Understanding an OpenVPN bridge from iptable's point of view

In my scenario, there is a machine which acts as both an iptables-based firewall and an OpenVPN-server at the same time. It has two network interfaces - eth1 is connected to the internet whereas eth0 ...
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0answers
80 views

openvpn server drops route for client

I am using the following openvpn config: port 1194 proto udp dev tun ca keys/ca.crt cert keys/openvpn-server.crt key keys/openvpn-server.key dh keys/dh1024.pem crl-verify keys/crl.pem ...
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2answers
2k views

pfSense OpenVPN DNS Resolution

It seems that my problem is a common issue, and I've read several answers on Server Fault, but I can't seem to get my issue figured out. One of my clients is running pfSense 2.1.4, at an internal IP ...
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1answer
223 views

openvpn server for mobile access routing/bridging

I'm running a web server on an IPC and want to get access to the network with VPN, because the customer doesn't want to host his data directly on the internet. This web server runs a webapp, which ...
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0answers
212 views

pfSense LAN network unable to communicate with remote network on OpenVPN TAP connection

I set up pfSense to connect to a remote network (192.168.122.0/24) that only accepts tap connections. The connection is being initiated successfully. pfSense (192.168.1.1/24) itself can connect to ...
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1answer
167 views

Can't connect to SQL Server on virtual machine while Open VPN client is running on my system

I've got a server where there are a few virtual machines. I use Hyper-V. I created one virtual machine and installed SQL Server 2008 R2 there. Then I was able to connect to that server using ...
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1answer
47 views

Using OpenVPN and iptables in combination

Let's imagine there are three networks, WAN, LAN-A and LAN-B. In between, there is a firewall server connecting the networks to each other. iptables ensures the following things: There is no way for ...
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1answer
271 views

bypass firewall with Openvpn + Squid

I have 2 VPS servers, one in China and another in the US. The server (openvpn client) in China is connected to the US one via openvpn. I also have squid running in the China server. I want to redirect ...
0
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2answers
170 views

OpenVPN route IPV4 over IPV6

A friend of mine has issues with his ISP. At the moment, he get's no IPV4 from his provider (they have issues since 2 weeks), but one IPV6. Sadly, it's not possible to open 95% of the websites without ...
2
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1answer
378 views

How to route traffic from private network to openvpn subnet (and back)

I have a couple servers at Linode. I'm trying to set them up so I have a VPN into one of the machines and can then access all the other machines using the private linode network. Public access to ...
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1answer
59 views

Lots of users, reverse proxys and problems with both

I have a somewhat unique situation that is making managing my vpns a bit of a pain, so I am trying to make it easier on me and my users, hope somenone can give me some ideas and/or alternatives. The ...