OpenVPN is a free virtual private network (VPN) client and daemon.

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What is the security impact of not using tls-remote with OpenVPN

Is it a security issue not using the tls-remote option in OpenVPN? That is not verifying the server's common name. Is a MITM attack possible? Could this be an issue, especially with services like ...
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206 views

iCloud stuff stops working while connected to OpenVPN

I have a fairly simple OpenVPN setup on an OpenVZ VPS with Ubuntu 11.10. Client is the Viscosity client on Mac OS X 10.8.2, and after some testing, we can rule out the client as being part of the ...
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12 views

Unable to use VPN on Linux [on hold]

I'm doing this: sudo openvpn --config client1.ovpn On my smartphone I use the same .ovpn file and it connects successfully and I surf internet well. On Linux it connects too, but after that I'm ...
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53 views

expressvpn always blocked

I use expressvpn for making google accessible. But recently, I cannot connect to the expressvpn with .ovpn files. I had stopped firewalld and iptables server, but it did't work. But the expressvpn on ...
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12 views

CentOS: Torrent through VPN while still being able to serve web applications

I have a CentOS server with a a torrent client (anacrolix/torrent) and would like all torrent traffic to go through an OpenVPN connection. However, I still need the server to be able to be reached for ...
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1k views

Route wlan0 to openVPN tunnel and rest to eth0

I'm having problems to create route/iptables rules for following configuration: I have an openVPN server (tun type) running on my raspberry machine at home At work i have company pc (behind proxy) ...
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2k views

“E: Sub-process /usr/bin/dpkg returned an error code (1)” when I try and install OpenVPN. What is this?

Whenever I try and install OpenVPN on My Debian x86 Minimal VPS I get that error. Here is the full code if that helps: root@fadvps:/# sudo apt-get install openvpn Reading package lists... Done ...
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1answer
17 views

Starting additional OpenVPN connection under systemd

I have a couple of OpenVPN connections to various servers that are autostarted when I log into my laptop. Other connections, to production servers, have to be set up manually. Until recently I ran ...
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18 views

Voice-over-IP with a VPN

I use an IPFire (linux) router as a VPN client. My voice-over-IP is working properly without the VPN active. However, when the VPN is up, my SIP client (Twinkle) can't register with my VoIP provider. ...
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1k views

OpenVPN CLI for killswitch or connection fallback prevention

I'm using OpenVPN via command line to connect to my VPN on my current Linux distro since there is no GUI available (which had a killswitch checkbox). My problem is, I can't find any way to add a ...
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334 views

How to make OpenVPN to listen both TCP and UDP ports

I've searched around and the only thing I've found is that "yes, OpenVPN supports connections over TCP", but I haven't found any way to coerce the openvpn server to listen the same port for both ...
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17 views

Sharing Server Files via nautilus in vpn

I am work on OPENVPN Setup in fedora 23, I have setup and connect server and client using OPENVPN, After I vpn connect, I need to access server system, But i dont know how to access server system via ...
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5k views

how to understand the routing table on an OpenVPN client

I just setup the OpenVPN and it is working as expected. However, the routing table of the client is confusing me to no end. Here is the route table: # route -n Kernel IP routing table Destination ...
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100 views

Ubuntu Server 16.04 - OpenVPN seems not to start, no logs get written

I installed and oepnvpn on a ubuntu server 16.04 by following the following guideline how-to-set-up-an-openvpn-server-on-ubuntu when I start the openVPN server with: service openvpn start it looks ...
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How to define DNS server in openvpn?

I setup an openvpn server with static key (certificate mode is not usable due to DPI at the national gateway), but I cannot successfully change the DNS automatically after the connection. I searched ...
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2answers
134 views

How do I make OpenVPN split /56 IPv6 block into /64 subnets for each client?

I want OpenVPN to occupy, for example, 2001:0DB8:5912:1200::/56, assigning /64 subnets of it to clients (so they can serve as SLAAC routers if needed). What should I do? Is OpenVPN alone enough for ...
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104 views

<SOLVED> VPN clients not reaching Internet

Recently, during VPN server configuration the one thing that I've faced is - I don't have internet access connecting through my VPN server. Actually I use the VPS(Debian 8 ), where I've installed a ...
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73 views

Add Multiple VPN External IPs - OpenVPN AS

I'm currently running OpenVPN Access Server on Ubuntu 14.04. I have a VPS with 5 IP's, eth0:1, eth0:2, and etc. I want to know how to add each of these IP's to be used via OpenVPN, so that when a ...
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28 views

Traffic between two separate openvpn servers' clients

I have two Openvpn servers on two separate linux boxes, with different settings and clients. Lets call them server A and server B. When I connect to server A, I want to be able to access server's B ...
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100 views

Client to Client https in OpenVPN on CentOS 7

In the Centos 7 -hosted OpenVPN defined below, why can't the windows_client defined below https into the centos_vm1_client defined below? The problem seems isolated to the configuration of the ...
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33 views

Client route for OpenVPN Access Server

I am running OpenVPN Access Server and I'd like to push a route to every client on connection that is the equivalent of: sudo ip route add 172.17.0.0/24 via 172.27.232.1 Where should I go to set ...
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82 views

OpenVPN Server does not reply to Client ping

An OpenVPN client seems to initialize on a CentOS 7 client virtual machine. However, the response from the server is not clear when the client sends a ping. Specifically, ping 10.8.0.0 from the ...
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VPN with iptables and routing: access port from local network

I use a commercial VPN provider with OpenVPN as client on Ubuntu Server 14.04 LTS (but doing some testing on 16.04 LTS too). I have configured iptables and routing tables to mark packets based on user ...
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Configure firewallD to access services on bridge from OpenVPN

I have setup a KVM host using a routed bridge (interface br0) where the virtual machines are connected. I can reach services inside the VMs on the bridge from the KVM host without problems. I can ...
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OpenVPN high cpu usage when reconnecting to network

Whenever my network disconnects/reconnects the openvpn service (this is client side) cpu usage goes to 90%. If i manually stop and start it resumes ok. I tried debugging but i'm not sure i checked ...
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what should I write on server.conf when try create VPN on CentOS 7?

I use CentOS 7 . I want to create VPN server on my machine. I am following perfect VPN tutorial until I get to this part, editing /etc/openvpn/server.conf: local x.x.x.x port 1194 proto udp dev tun ...
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28 views

Route requests over interface

I have a raspberry pi setup for a few different things at home. Mainly it is my dns server and it is also a small webserver providing a reverse proxy to my internal camera system. I recently changed ...
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19 views

Open VPN does not work on Trisquel (Mullvad)

I use MullvadVPN and want to use it on my machine running Trisquel. I downloaded the .tar.gz file, extracted it, imported the files using Network Manager and saved. Just like the instructions said. ...
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27 views

OpenVPN with /112 IPv6 subnet, unable to route to eth0 and vice-versa

I'm trying to set up an IPv6-enabled OpenVPN server. The provider only gave me a /64 subnet : 2a06:1700:1::640/64. Here is the OpenVPN configuration : port 1194 proto udp dev tun0 server-ipv6 2a06:...
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64 views

Connect to commercial VPN on OpenBSD 5.9

I recently installed OpenBSD 5.9 and I'm trying to get it functional enough to use as a replacement for Debian. One thing where I hit a brick wall is connecting to my VPN. I use a commercial VPN which ...
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How to Do Split Tunnelling with Slave ppp0 VPN + 2nd VPN?

Network Finland(internet)-PC(Sweden)-Uni(Sweden). Uni IP is fixed. Finland(internet) is gained with 3g-4 connection. I need to use a VPN provider to change my country but the VPN provider gives ppp0, ...
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86 views

Openvpn exclude ip in pool

I have an OpenVPN server running on a Linux Ubuntu box. Multiple clients connect to this server (500+) and that is why I set the server-bridge option like this: server-bridge 10.0.100.1 255.255.0.0 ...
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145 views

iptables forward traffic to vpn tunnel if open

I've used the following guide to set up my raspberry pi as an access point: Raspberry Pi 3 as wifi access point I'm forwarding wlan0 to eth0 and NATing all my traffic. Works great! sudo iptables -t ...
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347 views

OpenVPN not showing easy-rsa

wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -Uvh epel-release-6-8.noarch.rpm I did yum install openvpn in the guide then did the following: mkdir -p /etc/...
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113 views

Public HTTP/HAProxy server also is a VPN… should it do both?

I have a HTTP/HAProxy server. It also is the OpenVPN server for my network (all my servers are connected to it). I expect my website to grow dramatically soon, so I am worried if this single point of ...
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54 views

iptables for tomato to block all non-vpn traffic

I have been combing through a few forums of many VPNs that have iptables for the tomato router. Most don't work. The one from VPN.ac recommends adding under Administration > Scripts > Firewall ...
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Assign a different ip for each .ovpn client? OpenVPN

Alright, so I'm using OpenVPN on ubuntu 14.04. Say I have a box, with 5 IPs, I have openvpn, but I want to make 5 different client certificates and .ovpn files, but each of those certificates will ...
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openvpn[]: Options error: In [CMD-LINE]:1: Error opening configuration file

when trying to service openvpn start Oct 12 14:02:01 ccushing1 openvpn[9091]: Options error: In [CMD-LINE]:1: Error opening configuration file: devnet-client-vm.conf running openvpn devnet-client-...
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1answer
53 views

Where is openvpn access server port defined?

I installed openvpn access server in my VPS and worked fine last time. A while I didn't use the vpn and I noticed the port for access server is changed from 943 to 914. Maybe I just forgot I ...
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40 views

Only allow port 80 access to VPN users

I have setup a OpenVPN server thanks to Docker (and this tuto: https://www.digitalocean.com/community/tutorials/how-to-run-openvpn-in-a-docker-container-on-ubuntu-14-04). What I want now is to allow ...
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19 views

IPTables/IPRoute + Avoiding VPN

I have a debian jessie headless server running an OpenVPN connection. However there is certain traffic I don't want passing through the VPN, and would rather pass through my local gateway. I have ...
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1answer
59 views

Shorewall to protect interfaces that are not yet defined

I am planning to use Shorewall to filter traffic that originates from a virtual interface created by OpenVPN (lets call it tap0). If OpenVPN did not successfully create this interface before ...
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2answers
718 views

Route everything through VPN except SSH on Port 22

I have a Server and I want to setup a VPN on it to route all traffic. Of course I dont want to block myself out when establishing the OpenVPN connection (already did that..) so I want the Port 22 to ...
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1answer
349 views

Systemd: How to start/stop Python script that should run in background, inside Virtualenv

On my Raspbian machine, I want a successful OpenVPN connection to my VPN provider to initiate a Python script, that persistently should run in the background as long as the VPN connection is active. ...
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OpenVPN block SMTP Access Server completely

I've tried almost all iptables rules to block smtp on openvpn server but still clients clients can access remote smtp servers on port 25. I'm using openvpn access server. It's creating two interfaces ...
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Make openvpn to use available connection

I'm trying to configure openvpn to support both ipv4 and ipv6 (from what I understand it should be possible). But however when I have proto udp proto udp6 But openvpn tries to use the IPv6 ...
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1answer
929 views

How can I make the eth1 up and always available for remote access, where eth0 will be used for host to host IPSec VPN?

I am running Amazon EC2 instance with Red hat enterprise linux, where I have two network interface. Now: eth0 is currently active having public ip where I am remotely logged in via SSH, to ...
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96 views

Auto connect and reconnect to VPN on Debian 8

I am searching for a way to always enforce a VPN connection with a chosen profile (ovpn or network manager) whenever I use an internet connection. I want to use OpenVPN and Debian 8. Is there a ...
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I'm having trouble installing Mullvad (VPN) on mint 17.2

I recently purchased Mullvad for my Linux, but can't make it work. I've followed the steps on the official website here and it tells me: Starting VPN daemon(s)... and does nothing. I checked and my ...
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How to set up OpenVPN? [duplicate]

I'm trying to use OpenVPN on my debian system. I'm using Debian for the first time. Version: Debian GNU/Linux 8 (jessie) 64-bit. When I try to run this: root@debian:~# apt-get install openvpn I ...