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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Routing Traffic Through from VPN Client to Switch Network

Network Diagram I have two computers, Foo and Bar, connected to an OpenVPN server on Amazon EC2. Both the computers are connected to the Internet via Wi-Fi. The VPN IP addresses are on 13.8.0.*. ...
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53 views

EC2 Shared Drive / VPN / Security Groups

I have an EC2 instance, running Win 2008. On it, I have a shared drive. Windows permissions are set properly. The server has a static IP through Elastic IP. I do not want to open this to the world. I ...
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1answer
233 views

OpenVPN server sending bogus default gateway information to client?

Though the VPN client successfully connects to the OpenVPN server, it seems to be setting an incorrect and bogus gateway no matter what permutations of push "redirect-gateway local def1" and/or push "...
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1answer
203 views

OpenVPN service cannot start

I configure OpenVPN on my VPS (Fedora 23) and I have an issue with starting it as systemd service. From command line (openvpn server.conf) all works fine, but when I try start it via systemd it fails. ...
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1answer
122 views

OpenVPN and AWS VPC. VPN Client can connect to VPN and ping VPN Server but cannot connect to VPC Servers through the VPN

I'm having issues routing traffic from the VPN Clients to the LAN the openvpn server is on. This is running in AWS VPC. I can ping vpn client and server from one another, but not the other servers ...
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2answers
324 views

OpenVPN-AS Apache reverse proxy

I have ubuntu server setup with openvpn-access server and apache. I have reverse proxy working for most things I need access to but I cant figure out how to set it up for the connect/admin page of ...
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1answer
57 views

AWS NAT instance as OpenVPN Client can't route instances behind it

I have an Amazon AMI 2015.09 instance as a NAT server for my backend servers. I have configured the OpenVPN client on this same box, the NAT server is able to talk to everything over VPN, all ...
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2answers
88 views

Can't establish connection between openvpn client and server

I've set up an openvpn server on a computer and I'm currently trying to connect to it with a client. The server seems to init correctly (although it does give a warning about the common 192.168.1.X ...
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1answer
80 views

Setting up a secondary network interface (VPN) on a linux server using openvpn

Network WAN __|___ |Router| ‾‾|‾‾‾ ______ 192.168.0.1----(192.168.0.0/24)----192.168.0.102-|Server|-192.168.3.1---(192.168.3.0/24) ...
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1answer
167 views

Best way to setup highly compatible VPN (thinking IKEv2) in Ubuntu 15+?

Having used OpenVPN for a while, I've found it tiresome to install a client on every machine that needs to connect (Android, Windows, Linux.) I'd rather just enter the details in the OS's built in ...
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1answer
37 views

routing two DCs using VPN

I have two remote servers that have their local LAN connected via a VPN. Some more details including routing tables here https://ghostbin.com/paste/6sv3w 192.168.1.1 is router1 with lan 192.168.1.0/...
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269 views

Unable to login via PAM and ldap: failed to get password

I'm trying to have OpenVPN authenticate users via PAM over LDAP to an Active Directory server. Here are the relevant parts of my configuration files: /etc/openvpn/server.conf: # ... plugin /...
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66 views

Openvpn client frequently uses a different IPv6 address causes a unstable connection

I set up an OpenVPN server on IPV6 recently, it runs well, except for one thing: the client loses connection frequently for Inactivity timeout (--ping-restart). Here's the log infomation on the client....
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1answer
115 views

DNS resolution happening inconsistently over OpenVPN

Here's my OpenVPN server configuration: port 1194 proto udp dev tun ca ca.crt cert server.crt key server.key dh dh4096.pem topology subnet server 10.224.127.0 255.255.255.0 # AKA 10.224.127.0/24 ...
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1answer
89 views

Why does data sit in Send-Q? TCP sessions freezing

Issue I run an IRC server for 20-50 users. We sometimes have issues with messages not arriving in a timely fashion or at all. After some packet captures we determined that messages sit in the server'...
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75 views

Sending multicast over VPN (with buffering)

I am trying to connect two sites using VPN (OpenVPN) to transmit multicasts (IPTV) from one site to another. I have created a layer2 VPN and it works, however, multicasts are very sensitive to packet ...
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30 views

Cannot connect to LAN when VPN connection is active

I have a headless server (skynet) which I would like to connect to a OpenVPN server running on a VPS I've purchased. The VPN is up and running and when I test to it with my laptop, I have internet ...
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1answer
174 views

No gateway / internet connection with both OpenVPN an PPTPD on Debian Server

I tried setting up a VPN on my Debian 8.2 Server using OpenVPN which was working fine. After a few days I was not getting any internet connection anylonger using OpenVPN and I saw using ipconfig /all ...
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What would be the cause of openvpn network fault?

We have openvpn network for aproximately 1200 client connections. Basically everything is running fine but there exists 0-4 collapses per day (which occurs randomly), when we looses majority/all of ...
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68 views

Enable Google Authenticator to send codes via SMS with OpenVPN

Setup: Using OpenVPN in single-server<->multi-client configuration. Running google authenticator PAM module in order to enforce 2 factor authentication. Problem: Some employees don't have a ...
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1answer
85 views

OpenVPN can' reach client Lan

I have a question about OpenVPN, I had made a "dev tun" connection between my office network and a VPC on Amazon.But.... in few words: Everething work, except: i c'ant ping the client Lan from the ...
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10 views

Adding New Users on OpenVPN Access Server

I recently started using OpenVPN AS and am trying to figure out best practices for adding new users. Googling doesn't turn up much. I know I can do it by adding a user by logging sshing in and running ...
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308 views

OpenVPN connection reachable but times out

What I'm trying to do: Set up my own VPN server using a VPN-supported router (in this case, OpenVPN supported by Netgear Nighthawk X6 R8000) Be able to access both internal network and internet with ...
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2answers
309 views

OpenVPN Client alongside Apache HTTPD

What is the best way to set OpenVPN Connect on the same server where Apache HTTP Deeamon is running. I have multiple domains hosted on that server and I want to configure OpenVPN on vpn.example.com ...
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1answer
67 views

How to restart openvpn setup on amazon AWS turnkey linux

I installed TKL AMI on my AWS EC2 pool, and the first time I logged in, it showed me the setup screen, which I dismissed since I had to do some other config first. However, when I logged out and ...
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1answer
24 views

openvpn - prevent clients to access openvpn servers local network

I have openvpn setup on my server My hosting provider doesn't like network scans from their server and so i want to disable client devices connected to my openvpn to do a nmap scan for example Is ...
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1answer
54 views

How to log outbound connections in an OpenVPN server?

I'm running a corporative OpenVPN server in an Ubuntu Server 14.04.3 Intel Xeon E3 machine. I need to log each connection try to any website, including destination IP, hostname, date, up/down ...
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128 views

Routing IPv6-traffic from client via OpenVPN-server

For playing and learning purpose i set up an OpenVPN-server. Im currently attached to a network without IPv6. Because of that, I would like to route all IPv6-traffic via the VPN. With IPv4 and ...
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1answer
104 views

OpenVPN log not showing up in /var/log/messages file

When running service openvpn status, the output states Status written to /var/log/messages However, nothing shows up in the file.
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1answer
46 views

OpenVPN bridged mode, cant access private network

I am struggling with this problem and I just can't figure it out. I am using cloud servers and I got a private network from them with ip's 10.99.x.x and netmask 255.255.0.0 I have 2 servers: ...
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139 views

Direct all traffic between Eth0:1 interface and VPN Tun0

If answered correctly this question will show you how to link a 2nd public IP address on a machine to a VPN server tunnel on that machine, so that the remote VPN client (running a server), sees this ...
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1answer
492 views

How to connect to OpenVPN from Windows native interface

This is quite a simple question. I'm trying to set up a VPN on a VPS and all of the sources I've read say "Use OpenVPN". It also seems that with OpenVPN, you have to install this GUI on Windows in ...
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3answers
384 views

OpenVPN client-to-client

When usig a TUN (layer 3) OpenVPN server with client-to-client disabled, my clients can still talk to each other. The client-to-client config should prevent this according to the documentation: ...
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1answer
41 views

Associate a specific certificate to a specific local user with OpenVPN

Set up: OpenVPN 2.3 on centos server. Multiple clients (windows, osx, linux). Encyrption using certificates PER device (easy-rsa), and added authentication using the openvpn-plugin-auth-pam.so ...
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1answer
248 views

OpenVPN and client-connect scripts

I have an OpenVPN server (2.3.2) on Debian Wheezy operating in bridged mode. Everything's working fine in terms of the client connecting and getting access to the network(s) it needs. Im trying to add ...
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0answers
22 views

Policy-based routing on OpenVPN server

I'm trying to set up an OpenVPN server as reverse proxy for mobile/desktop devices, that can relay traffic based on certain policies: only requests to white-listed IP addresses are going to be ...
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1answer
33 views

openvpn client restarts if default gateway is changed

I am running openvpn client in my system which connects to remote openvpn server via Internet. My system is connected to two networks (multi homed) wlan0 and ppp0. Both provides internet connectivity ...
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1answer
180 views

How to automatically add localhost DNS server (dnsmasq) to resolv.conf

I did the steps at https://wiki.archlinux.org/index.php/OpenVPN#DNS to set up DNS with OpenVPN so that anytime the OpenVPN connects or disconnects, it automatically updates /etc/resolv.conf. The ...
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1answer
154 views

Windows 10 strange OpenVPN behavior

I have an OpenVPN server running (93.xxx.xxx.xxx is the public IP) to which different android and windows clients can connect and have access to the internet, but an OpenVPN client on my Windows 10 PC ...
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59 views

How can i use OpenVPN from SoftEther in android devices? [closed]

I want to know is there any chance to connect to OpenVPN that build in SoftEther in android devices using openvpnclient?
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44 views

OpenVPN on AWS: ec2 instance not able to see connected clients

I have 3 ec2 Instances on my AWS environment all in same VPC and same public gateway. 1 of the instances is OpenVPN instance and other 2 are normal linux machines. to demonstrate: ec1 machine local ...
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0answers
737 views

How to prevent SSH freezes over an openvpn client to client connection

I have the exact same issue as the one described here, but I cannot request clarification from the author, since I am a new user and I cannot post a comment on that, so I am posting a new question (I ...
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0answers
16 views

OpenVPN fail-over, keeping same IPs and certificates?

So I have a OpenVPN server (10.0.0.1), and several OpenVPN clients connecting to it. The server authenticates via certificates and keys generated by easy-rsa, and hands out a unique IP (10.0.x.1) and ...
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0answers
48 views

Script in user terminal works, permission failure in users crontab in Scientific Linux 7.1

I have a script that works to check if my VPN connection is up, and if not, it restarts it. This works correctly in a terminal, but the command nmcli con up uuid 7c514892-6a6a-4d33-946b-84aeb37615bb ...
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1answer
338 views

OpenVPN-server disappointing performance

On my VPS (Ubuntu 14.04 - 64-bit), which has OpenVPN 2.3.2-server installed, I'm getting disappointing performance. The VPN-server uses the AES-128-CBC cipher for encryption, and I have no firewall ...
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85 views

sign keytool generated cert/key pairs using easy-rsa openvpn intermediate CA

I am creating root and intermediate CA with easy-rsa using ./build-ca & ./build-inter commands consecutively. Now, I want my root ca as offline and I want my certs/keys signed by intermediate CA. ...
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mounting nfs fails after exiting openvpn and deleting route

lately found that sudo mount -a in the script won't work after exiting openvpn and deleting a specific route to the NFS via openvpn. "sudo mount -a" in the script returns "mount.nfs: mount system call ...
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1answer
169 views

OpenVPN on AWS: Unexpected error: invalid_profile: Unable to find a server-locked or autologin profile for this user

I have setup a OpenVPN server using an AMI from AWS Marketplace. and setup with the default options. Now I am trying to connect to that vpn server but getting this error: "Unexpected error: ...
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4answers
365 views

Webserver exposes client real IP address in OpenVPN network

One of our corporate websites run on Linux server, built with Apache2 and PHP5. Several web pages can only be accessed from OpenVPN subnet (addresses 10.8.0.1/24). To check each request, php script ...
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0answers
22 views

OpenVPN gateway through OpenVPN

I'm trying to setup an OpenVPN access for clients through a server A I own. But I want these clients to connect to another OpenVPN server on an host B, configured as client on A. OVPN ...