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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355 views

In OpenVPN, what's the risk of omitting the key-direction when using tls-auth?

In my TLS enabled OpenVPN configuration I would like to use the additional security offered by using tls-auth. The good news is, is that it works as expected. However, I have a question about the ...
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1answer
75 views

How to configure two default routes on Linux?

I'm configuring a routing server with Linux. An Ethernet link (eth0) to internet (fast, but can't access some sites); An OpenVPN link (tun0) to provide internet access to local users; An OpenVPN ...
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1answer
272 views

https and ssh access to OpenVPN from windows

I recently installed OpenVPN on a remote CentOS 7 web server. I am able to connect to it from a local CentOS 7 devbox by typing openvpn --config /path/to/client.ovpn. Once the connection is made, I ...
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1answer
1k views

OpenVPN: Options error: Unrecognized option or missing parameter(s)

I am trying to assign different ip address ranges to two different types of users of OpenVPN. The two user types are administrators and employees. Towards this end, I created certificates and keys ...
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251 views

OpenVPN - open ports for clients only via iptables

OpenVPN server running on my ubuntu server (tun mode). My problem is that i cannot set some ports be accessible only for VPN clients. I have a dirty solution, but i want better. I have no iptables ...
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1answer
46 views

OpenVPN all subnets the same, send a single client to tun0?

The two networks in question are listed here.. The wlan0 is on 10.0.0.23/24. tun0 (openvpn) is on 10.8.0.6 but is routing traffic to the network 10.0/16. So both wlan0, and perhaps tun0 could have ...
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3answers
110 views

Is it wise to use OpenVPN to connect remote web servers?

I have a number of remote hosted servers for various purposes--web and application servers. I effectively want a "management network" of sorts so I can simplify tasks like log collection and package ...
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1answer
153 views

VSFTP not working over VPN

I've had a FTP service running for some time using vsftp, working with passive mode with no problems. I've recently set up a VPN using openvpn, as far as I know I've configured everything correctly. ...
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1answer
162 views

Restricting access to user groups in OpenVPN

I just used the instructions in this tutorial to install OpenVPN on a CentOS 7 server. I am able to ssh and https into the remote CentOS 7 server through the VPN from a client machine. However, it ...
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109 views

How to bypass OpenVPN per application

I have a linux machine that routes its whole internet traffic through an openVPN connection. It was explicitly configured to work that way. However, the machine has a few applications that should not ...
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84 views

Tunneling a PPTP VPN connection through a L2TP VPN connection

My company recently moved to a serviced office space : they provide the desks, power and internet. My company has a VPN to connect to the main head quarters that uses PPTP to connect. In the new ...
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2answers
165 views

Open VPN copying files very slow

This is my first experience with setting up a VPN. I have Open VPN running at my work network on a firewall/router that uses the PFsense admin software. I connected to the VPN from my home network ...
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1answer
431 views

Linux: Bridge two NICs and route traffic through VPN tunnel except specific destinations and ports

I have a Linux PC (Debian Wheezy) with two Ethernet adapters. Adapter eth0 is connected to the Internet (modem/router/DHCP/firewall thingy) and eth1 is connected to an WiFi access point. All other ...
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1answer
90 views

iptables - openvpn can't access port 80

I have a server set up with OpenVPN. While connected to the VPN, all external websites work great, but when I try access a site that is hosted on the same server, it fails to connect. I can ssh into ...
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1answer
153 views

Revoke multiple client certs signed by one CA: only the first one got denied?

OS: Ubuntu 12.04 OpenVPN version: 2.2.1-8 Setup: one CA cert, one server cert, multiple client certs Server config: port 1194 proto udp dev tun keepalive 10 120 comp-lzo user nobody group nogroup ...
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2answers
126 views

OpenVPN server only gives username/password and client requires certificates

We have a eFive OpenVPN server which gives me a CA cert, usernames and passwords for the account. In addition, I have a RUT550 LTE router, from Teltonika, whose OpenVPN client setting allows static ...
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1answer
75 views

Rsyslog refuses to log over OpenVPN

I'm trying to forward rsyslog from a client to a server over a VPN. I have it working across an internet link already (through eth0 to an edge router) but would like it to go through the OpenVPN ...
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38 views

OpenVPN tunnel not able to support secure connect request

In CentOS 7 host we have installed openvpn package and did create an tunnel using OpenVPN tunneling for eth9 and tap9. Everthing work fine for unsecure connection but when we try to connect to server ...
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59 views

Routing VPN traffic between two networks

I have recently set up a two-network bridge using OpenVPN (Connect two networks with OpenVPN) The following things work: -Pinging any Network 2 computers from Network 1 Gateway (10.0.1.9) -Pinging ...
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2answers
649 views

Connect two networks with OpenVPN

I am trying to connect two networks together via OpenVPN. Gateways can ping each other, however they cannot access other computers on the network they're joining. Logs don't show any errors, and the ...
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2answers
211 views

In an OpenVPN network, Windows clients cannot access the host and other clients

I have set up an OpenVPN network and I'd like to let every client in the network be able to connect to each other, ie. servers 10.8.0.1, 10.8.0.2 and 1.8.0.3 should be able to communicate over VPN and ...
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1answer
216 views

OpenVPN client cannot connect to the server

I'm trying to configure VPN between two PCs both running Ubuntu 14.04 x64. I have created and configured OpenVPN server on one of them, OpenVPN daemon is online and I can see tun0 interface in ...
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1answer
64 views

Stretched LAN over OpenVPN

I'm trying to achieve the following but can't find the right information. I have a Windows server box in a datacenter which has only a WAN connection that I want to integrate in an existing LAN at ...
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378 views

OpenVPN start at boot not working on Ubuntu 14.04

I am trying do configure my Ubuntu 14.04 server, so OpenVPN will start at boot. So far, I am able to start OpenVPN server with the command: service openvpn start After I execute this command, I ...
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60 views

How to access connected devices to a remote router using OpenVPN?

After much confusion I have finally managed to connect Windows 7 box to a remote 3G router using OpenVpn. The Windows 7 box is set to run as a OpenVPN server(10.8.0.1) and the 3G router is set as a ...
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1answer
421 views

OpenVPN connected but no Internet or LAN

Good evening, I'm facing an issue with my OpenVPN installation. Been at it for 3 days now but still cant figure out what is wrong for the life of me... Basically the issue is that i'm able to ...
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1answer
925 views

OpenVPN Access to LAN behind client (and vice versa)

I have the following setup: -------------------------------- --------------------------------- |Windows server 2012 | |PFsense router | |Running OpenVPN server ...
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59 views

“Packet Dropped” in OpenVPN on Ubuntu Server

I configured OpenVPN Server in Ubuntu 14.04 Server. It's okay but in /var/log/syslog I got the error. Mon Jan 26 02:46:02 2015 us=389908 user/20.10.10.1:57237 MULTI: bad source address from client ...
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64 views

Cannot get Ramnode KVM OPENVPN Server to route inbound traffic to the vpn client

I have used many free VPN services that work perfectly with my webserver and other servers but I just cant get this one to work. I simply installed the OPENVPN Access Server Via this guide here. ...
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54 views

openvpn route only ssh traffic over vpn connection

I have a OpenVPN server and we would like all traffic to go out the end users internet but if they are Developer and they are using SSH to the AWS servers I would like that traffic to go out the VPN ...
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1answer
202 views

How to Setup OpenVPN as Internet-Gateway and Connection between multiple Private networks on Virtualized Server

I am trying to implement the following: Network A (e.g. 192.168.1.0/24) with Router (192.168.1.254) Network B (e.g. 192.168.2.0/24) with Router (192.168.2.254) Online vServer for VPN (e.g. ...
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118 views

How to allow single user to use user/pass authentication in openvpn when all others will use private keys?

I've got a Mikrotik Routerboard RB750GL which I bought to configure as an openvpn gateway for lan at the office. Unfortunately I was lured by the openvpn promise, I didn't read to carefully to know, ...
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46 views

Openvpn on windows 08R2 times out clients

I have installed openvpn on windows 2008 R2 and I also configured it properly , I connected the server and it was successful but when a client tries to connect the ip, he receives the connection time ...
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1answer
197 views

ubuntu route all client eth0 traffic to openvpn on client tun0

OpenVPN client has 2 physical interfaces: eth0 = 192.168.10.14/24 gw 192.168.10.1 eth1 = 192.168.10.17/24 gw 192.168.10.1 tun0 = 172.160.1.6/24 gw 172.16.1.5 Server is external somewhere listening ...
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2answers
784 views

Allowing SSH on a server with an active OpenVPN client

I have a VPS running CentOS 7 that I connect to with SSH. I would like to run an OpenVPN client on the VPS so that internet traffic is routed through the VPN, but still allow me to connect to the ...
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1answer
132 views

Setting up OpenVPN server: should I use tun or tap?

I'm trying to set up my first OpenVPN server, and I'm having trouble figuring out whether I should use tun or tap for my particular setup. I have an Amazon VPC with a few EC2 instances running ...
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1answer
61 views

How discovery if data center provider is keeping network transfer logs or listening for traffic of the VPN provider? [closed]

How do I know if the data center provider is keeping network transfer logs or listening for traffic on both inbound and outbound connections of my VPN service hosted in their infrastructure? I mean ...
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94 views

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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173 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
91 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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104 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
155 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
434 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
224 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
109 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
3k 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
99 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
98 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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146 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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267 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 ...