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 Traceroute Issue

I have the following basic OpenVPN configuration: Datacenter Side: Subnet: 192.168.168/24 WAN->Router(192.168.168.1)->OpenVPN Server(192.168.168.200) Config File: port 1195 dev tun remote ...
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160 views

How to create openvpn tunnel between multiple interfaces between two hosts ubuntu linux

I want to create OpenVPN tunnel between two Ubuntu 12.10 hosts which has two interfaces, say: Host1: eth0, eth1 Host2: eth0, eth1 A tunnel is wanted between: Host1 (eth0) <-> Host 2 (eth0) ...
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1answer
80 views

Open port only on OpenVPN network with iptables

I'm running an OpenVPN network and one of the VPN clients in my network is a web server which provides access to some internal services used by my application. Normally, on a public facing web server ...
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88 views

How to config private IPs for IPMI using VPN?

Recently I discovered it is best to protect my IPMI web interface behind a VPN. I went ahead and installed OpenVPN on my server and connect to it using tunnleblink on OSX. The VPN part is all set and ...
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1answer
115 views

Restarting OpenVPN server causes connected clients to stall

I have a small OpenVPN based network tying together a bunch of VPS's and I noticed that when I add a new client and restart the OpenVPN server to expose the IP address of the new client, the already ...
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1answer
345 views

OpenVPN server process terminates unexpectedly after android client disconnects

I've installed openvpn on a debian VPS & configured it as you see below: port 1194 proto udp dev tun ifconfig 10.0.2.21 10.0.2.22 ifconfig-noexec route-noexec keepalive 10 120 persist-key ...
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1answer
221 views

iptables only blocks OpenVPN on server startup

I'm currently in the process of setting up OpenVPN across multiple data centres on Linode. The OpenVPN set up is working great and I'm now focusing on getting my firewall set up so that my public and ...
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1answer
101 views

Configuring quagga to report Openvpn VPN subnet

I'm trying to use quagga with RIP2 to route traffic through an openvpn server. At the moment I'm having trouble because it's reporting the VPN subnet (172.19.2.x) as just a single IP (172.19.2.1). ...
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1answer
2k views

Allow OpenVPN client to push it's own DNS servers, regardless of OpenVPN server's pushed dns?

There is an OpenVPN server running on a Debian and it pushes a DNS in the server config file: push "dhcp-option DNS 8.8.8.8" Is there an option to allow the users to change that DNS servers on the ...
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2answers
85 views

Forward only internet traffic through VPN

The title probably needs some work, sorry in advance. My network is small and consists of a server with one NIC, a desktop computer and a few laptops. There's one wireless router (running OpenWrt) ...
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1answer
82 views

OpenVPN Connect issue

I am having trouble connecting to my VPN and I think I may have located the issue but I am unsure how to solve it. I can connect fine through my mobile device but when I try to connect through my ...
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141 views

OpenVPN server, how to block clients without redirect-gateway

is there a way not to connects a clients without redirect-gateway option? For example if the client ignore this directive with https://community.openvpn.net/openvpn/wiki/IgnoreRedirectGateway.
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1answer
240 views

OpenVPN + DNScrypt

I'm using Debian 7 Wheezy. I've installed OpenVPN using this awesome, fully automated script: wget https://raw.github.com/cwaffles/ezopenvpn/master/ezopenvpn.sh --no-check-certificate -O ezopenvpn.sh ...
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0answers
173 views

OpenVPN Access Server: Exclude specific IP addresses

I have setup an OpenVPN Access Server (openvpnas) on a Linux box and use the OpenVPN Connect client on Windows. How I could exclude specific IP addresses (e.g. google.com current ip) from routing ...
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1answer
184 views

OpenVPN Python plugin

I have a task about authentication OpenVPN users using database which is located on remote server (not a host with OpenVPN server instance). And we use Python as main language for all our tools. ...
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136 views

Setup openwrt router for 2 simulteneous openvpn clients on different wifi networks

I would like to setup openwrt router to be able to serve 2 different wifi networks which route their traffic thru 2 different openvpn tunnels. So far I have created 2 different wifi networks with ...
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1answer
2k views

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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0answers
124 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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0answers
226 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
246 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
147 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
56 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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1answer
1k 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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92 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
27 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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650 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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47 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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1answer
106 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
658 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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77 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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113 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
813 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
68 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
319 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
152 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
103 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
98 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
272 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
1k 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
208 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
404 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
621 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
164 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
503 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
3k 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 ...
3
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1answer
919 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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0answers
156 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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0answers
78 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
622 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
448 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 ...