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 site to site VPN tunnel with Windows Server 2012 R2

This is my clients setup: Site A Site B 192.168.2.0/24 192.168.0.0/24 Client A1 --|-- Server A Server ...
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26 views

OpenVPN: unable to reach clients over IPv6

Current setup: OpenVPN server with IPv4 and IPv6: [...] port 1234 proto udp6 dev tun server 10.9.8.0 255.255.255.0 server-ipv6 2001:1af8:3100:a00a:0021:a:b:0000/112 client-to-client [...] Clients ...
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23 views

OpenVPN server cannot ping client (routing/iptables issue?)

I am not sure exactly where the issue is here. I'm fairly sure that this is some NAT or iptables issue on the OpenVPN server but am lacking the networking know-how to fix the issue. The crux of the ...
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1answer
20 views

Openvpn failover setup - Routing to clients with static ips

I have a setup with an openvpn server and many clients connected to it. All those clients have fixed ip addresses, derived from their certificate name. Behind the openvpn server, I have a management ...
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2answers
35 views

Use OpenVPN tun device for specific request

I have setup an OpenVPN connection with the route-nopull configuration. So now no special routes have been added to the client's configuration and only a TUN device is created, like so: tun0 ...
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1answer
17 views

Setup openvpn as interface device only

I just setup OpenVPN client using this guide on The Geek Stuff But now (somewhat as expected) all my traffic is routed through the VPN. I actually just want to set up the interface device. Does ...
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8 views

Access OSX Server from Internet While OpenVPN Is Active [migrated]

I have a OSX box sitting at home that I am using as a server. I have set up OpenVPN using an app called Viscosity (just a GUI for OpenVPN) and have configured it to route local network (192.168.1.0, ...
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1answer
163 views

SSH tunneling is faster than OpenVPN, could it be?

Logically, VPN should be faster than SSH for tunneling, because: It's running on UDP and not TCP (so no TCP over TCP) It has compression However, today I tested Redis replication over both ...
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33 views

openvpn rdp networking mystery : can connect HTTP cannot RDP, even with firewall off

I have 2 small networks joined using OpenVpn (routed configuration), lets call them A and B. on A, I have a test web server (IIS, Windows 2008R2 or Windows 2012 depending on test machine), lets call ...
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1answer
12 views

openvpn forward internet client to client

I know the directive push "redirect-gateway def1" can be used to forward the traffic of a vpn server to the client. My question is, can vpn be used to share the internet between two clients ...
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43 views

Cannot make TCP Connection with OpenVPN Server

Client OpenVPN assigned IP: 10.8.0.2 ↓ TCP on 1194 Internet ↓ Router port-forwards 1194 to server- Public IP 104.162.67.198 ↓ Server LAN IP: 10.8.0.1 I think the above is what I am trying ...
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28 views

OpenVPN - Route and iptables configuration

simplified network diagram: Certs and keys already created OK. The 'straight' line between client and server is just to indicate a tunnel. Obviously, it goes through the firewall. Client is windows ...
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19 views

OpenVPN No ping to one client's network (with client-to-client)

I have problem with my OpenVPN network through the internet: Client1 (XP) >>> Server (7) <<< Client (7) 192.168.71.90(test)|192.168.80.31 |192.168.80.21 (test) ...
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1answer
26 views

Openvpn ip conflicts

I have a device which connects to my vpn, that i plan to distribute to third parties. my vpn ipset network is 10.8.0.0 i am also pushing 'route 10.7.0.0' Please excuse the config above. My ...
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1answer
33 views

OpenVPN with mixed ipv4 and ipv6 clients

I have a VPN server handling various clients; some with ipv4 only, some with ipv4 and ipv6, and some that will be ipv6 only. Some of these clients are roaming, so ideally they should connect to ipv6 ...
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0answers
20 views

openVPN on another IP

I had a working OpenVPN on my server, and it was working fine, redirecting traffic to the/from the internet, but when i have found that the traffic to the services on this server not routing through ...
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0answers
16 views

Pfsense Openpvn and Vmware issue

Here is my network: Client --- WAN --- PfSense(VMWare) --- LAN --- vSwitch (Promiscuous) \--- ESXi Management (192.168.2.1) ...
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2answers
67 views

Prevent SSH connection lost after logging into VPN on server machine

I encountered an issue that I can't deal with. When I'm logged onto an VPS over SSH and try to estabilish VPN connection on that VPS, the SSH connection between VPS and my machine get lost. I assume ...
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1answer
28 views

What is the difference between those two IP addresses

I am trying to install OpenVPN server on a CentOS machine, the sample configuration files don't make that much sense. Specifically it's server.conf that I find difficult to understand What is the ...
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0answers
65 views

OpenVPN ignoring openvpn.conf, throws unrecognized or missing option

I set up openVPN on Debian, but can't start the service. [FAIL] Starting virtual private network daemon: openvpn failed! Syslog says Options error: Unrecognized option or missing parameter(s) in ...
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1answer
11 views

OpenVPN Connect for ios can't parse my .ovpn file

For a user who wants to use my OpenVPN server on a mobile device, I have created a .ovpn file with embedded/bundled keys and certificates. But when I try to import it in the iOS client, I get this ...
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1answer
11 views

Client not routing through CentOS7 OpenVPN

I recently setup a server on digitalocean, i setup the vpn server key etc and i can connect with my client, the problem is that if i connect and i google for my public ip adress that i don't get the ...
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1answer
28 views

Two openvpn servers on the same machine, route traffic between the two subnets

I have two openvpn servers ( one on tcp, one on udp) running on the same machine - an OPENVZ vps. The first network A uses 10.10.0.0/24 and it is designed as an intranet. The second network B uses ...
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1answer
35 views

Can't get “redirect-gateway” to work correctly with this OpenVPN network and the internet

I have the following network layout: Everything in blue is a VPN client (except the obvious server) The my client side (which is the top side where it says "My Site"), If I include include ...
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1answer
60 views

OpenVPN not default gateway for all traffic

I'm trying to make my client forward all traffic through a VPS running OpenVPN. As you can see, it will allow pings to both domains and raw IP addresses, but it will not allow traffic like that made ...
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2answers
24 views

OpenVPN Tunnel between two LANs, traffic dropped on the way?

I'd like to create a OpenVPN Tunnel between to LANs 192.168.1.0/24 and 192.168.2.0/24. However somehow packets entering the tunnel on one side don't come out of the other side ... The following ...
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0answers
9 views

How can I block torrent traffic on a centos 5 server which is used as a openvpn server? [duplicate]

How can I block torrent traffic on a Centos 5 server which is used as a openvpn server? I run a small commercial VPN and keep having issues with DCMA notices, and I wish to block torrents as we do not ...
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0answers
40 views

Make Monit check OpenVPN client connection status

We're running a multi-site business, each site connected to a central OpenVPN server to provide access to internal systems. I'm currently using Monit to check if OpenVPN client is running and if the ...
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0answers
58 views

Openvpn Packet loss troubles

Hy! I got an Openvpn server on Linux and use it to route all ipv4 traffic from my clients (win7,android, pfsense etc). I finally want to really understand the routing thing, although it works, but ...
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1answer
54 views

Access two web servers (VPS and Windows Server) through the same IP (PUBLIC AND VPN) using VPN [closed]

I have two servers: a hosted VPS with a website on port 80, and a home server running windows 7. See the diagram below. The home server is running WAMP on port 88, which works on my home's public ...
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1answer
38 views

Ubuntu OpenVPN GUI setting incorrect default routing gateway

I'm currently playing with setting up an OpenVPN Access Server in AWS. For the most part I've got everything working, except when I try to add the VPN connection to Ubuntu using the networks GUI. ...
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1answer
78 views

Getting “Cannot ioctl TUNSETIFF tun: Operation not permitted” when trying to connect to OpenVPN

I'm trying to setup an OpenVPN Access Server in AWS using the market place AMI, but I;m struggling to connect to it. The access server is up and running. I've also added a user with Auto-Login and ...
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53 views

MULTI: bad source address from client - any one-off solutions?

Setup: I have the an openvpn client/server setup (config files at bottom), and I get the infamous MULTI: bad source address from client [192.168.x.x], packet dropped message at server. The server has ...
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33 views

OpenVPN client ping server: eth0 works, tun0 fails

Usually for OpenVPN, people have issues accessing LAN interfaces but no issues accessing the TUN interfaces. I have the opposite problem. Ping from client (10.9.0.1) to server eth0 (10.0.0.97) works ...
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15 views

OpenVPN Client recieves reply from Ping to Server but not from eth0 or non-server IP

I have been using OpenVPN succesfully with Layer2 bonding for over a year now. I have been experimenting with a more complicated setup on the local LAN using a ProxmoxVE hosting KVM VM as the server ...
2
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1answer
47 views

How access remote network with OpenVPN?

I am currently trying to configure OpenVPN to access our company network remotely. I was able to establish a connection and ping the server at the configured address (10.8.0.1), but I was not able to ...
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1answer
69 views

issues with installing, No config files OpenVPN 2.3.2-4.el7.x86_64 on Centos 7

Having some issues with OpenVPN 2.3.2-4.el7.x86_64 on Centos 7 (it's a VPS with digital ocean). Basically I am trying to install and configure OpenVPN to use as a VPN server. However it seems I am ...
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0answers
45 views

pfSense OpenVPN Routing to Sever LAN

I'm trying to get my OpenVPN server to route traffic from clients to the server's LAN. My setup is as follows: pfSense box at 10.1.1.1 Other servers on the LAN at 10.1.10.0/24 (with DNS server at ...
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0answers
225 views

OpenVPN ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg)

I'm trying to configure OpenVPN on my Debian 7 VPN but I'm getting the following error ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg) I tried the ...
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0answers
78 views

pfsense access openvpn client´s lan

I want to cover the following case: pfsense server´s LAN: 10.1.0.0/24 openvpn client network: 10.2.0.0/24 Local network of one openvpn client: 192.168.2.0/24 Working: Access the network ...
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0answers
60 views

Tomato to OpenVPN Server on Ubuntu Server

I use OpenVPN on Ubuntu Server as VPN Server, and Viscosity successfully working with this client configuration: xxx.no-ip.org remote udp 1194 dev tun tls-client ca ca.crt cert cert.crt key key.key ...
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0answers
38 views

Check concurrent connections per user on OpenVPN server

I have an OpenVPN server running on a dedicated server and I want to know how many connections each user has open with the server. To test, I made it so im the only one that can login, and then ...
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0answers
17 views

vpnc through openvpn failed

I should connect to a Cisco VPN server for example 95.94.66.6, it configured to accepts specified IPs so I launched a server with a registered IP on Cisco which runs an openvpn server. The scenario ...
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1answer
21 views

OpenVPN client from multidomain SSL host

My server uses it's server certificate when connecting as a client to another server. webserver - server1.mydomain.com openvpnserver - server2.mydomain.com Server1 is a web server with SSL ...
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19 views

VM LAB - Promiscuous mode clarification

So for clarification I am running a Lab within VMware behind OpenVPN, 1 NIC with direct internet access (WAN vswitch) and another NIC with a leg inside a LAN vswitch. (This obviously houses my VM's ...
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2answers
334 views

OpenVPN Route Client Traffic Through VPN Server Tunnel

I have configured a vps following this tutorial, the server and client are successfully connected and can ping each other, server is at 10.8.0.1 and the connected client (android-OpenVPN Connect) get ...
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73 views

OpenVPN Port forwarding on a OpenVZ VPS

I've been trying for the past 3 hours to forward the 443 port from my client to the 20443 port on my server (CentOS 7 on OpenVZ), so i can access it on myserverip:20443. I have OpenVPN Access ...
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0answers
96 views

DD-WRT/OpenVPN Tunnel Between Two Routers - Block Non-VPN Traffic on vlan1

I have two DD-WRT routers with OpenVPN that I am trying to make a secured tunnel between them. I need them to drop everything that is not going to tap0 on the WAN ports(both of which are set to ...
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1answer
40 views

OpenVPN: correct way to use a relative path in an OVPN file

I am attempting to connect to a service using OpenVPN. There are a number of configuration files (.OVPN) that share a single certificate (ca.crt); all are located in the same directory. ...
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9 views

iptables NAT can't initialise on Debian openvz [duplicate]

So i want to create a nat rule for an openVPN server. After getting trouble with the TAP/TUN Devices, it's finally working i think It's working greate but not routed so useless. Now i have to make a ...