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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Problems on using KVM Guest as router

We have two private subnets on different locations BJ and SH. in BJ, subnet is 10.1.0.0/16 in SH, subnet is 10.2.0.0/16 We want them connected, so we build a tunnel through public internet using ...
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575 views

Failing to setup OpenVPN Client (tap) on Ubuntu 14.04 - Viscosity works with same Server

I'm kind of desperate for help here... So I'm trying to setup a Client Machine to make a VPN Connection accessible to my whole local network. When I connect directly from a Computer in the local ...
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76 views

OpenVPN - pushing script to client upon connect

Is it possible to have an OpenVPN server push scripts out to clients upon tunnel establishment? I need to set up specific iptables rules on my Linux clients and would like to be able to deploy the ...
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43 views

Do I need two interfaces on the server for bridged OpenVPN setup?

I have not seen this clearly explained in tutorials, although some tutorials/guides seem to assume for one interface. I have a machine that is connected to local network with a single interface. ...
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138 views

OpenVPN is not connecting over UDP

OpenVPN works fine over TCP port 443 but fails to connect over UDP port 53. I've checked firewalls. Initial handshake works fine but then client hangs in WAIT state. VPN server is Ubuntu and client is ...
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102 views

how to limit multiple login in softether vpn server for openvpn clients?

I have a softether vpn server.for all account of a group, I want to limit multiple login to 1 user per account. I have set the group's security policy like this : "maximum number of multiple logins = ...
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152 views

OpenVPN client routing on TomatoUSB router (gw IP instead of dev interface)

I connect to my openvpn server over Linux (Debian), iOS, Android - everything is ok. But over router (as client) with TomatoUSB firmware it's a problem with routing. I connect to my ISP over L2TP ...
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46 views

OpenVPN identical subnets for client & server

I have an OpenVPN server (Ubuntu 14.04 routed mode) on a local network with a subnet of 192.168.0.0/24. The subnet it uses is obviously a very common subnet. My problem When a client is out and ...
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573 views

[SOLVED ]Openvpn routing for lan to lan through tun

I am trying to setup an OpenVPN tun to connect two lan's The open vpn connection is up and working but there is a problem with my routing or nat or something. What I need is an example of what a ...
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46 views

OpenVPN Server & Two Gateways

I have a network setup as follows: Internet <---> Firewall <---> VPN (1) VPN <---> NAT (2) Internet <---> Firewall <---> NAT (3) (I don't have the reputation to post the picture :/) ...
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43 views

Cisco VPNC + get time out on target machine

I am running VPNC on linux red-hat machine ( version 6.3 ) , And my VPN connection seems to be timing out after 10-20 min . If it goes unused for more than a few minutes, I have to kill VPNC and ...
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47 views

OpenVPN advanced privileged client access customization

I have implemented an OpenVPN server running on Tomato router (Let's call the router TR) the OpenVPN server is using TUN interface which means connections between clients and servers are based on ...
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147 views

Shrew Soft VPN Client 2.2.1 + how to configure user.c file for checkpoint VPN

I download the latest VPN client - ike-2.2.1-release from: https://www.shrew.net/download/ike. I need to install this VPN on my Linux Red Hat machine – version 6.3. I read that shrew VPN client ...
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83 views

How to import users (openvpn) into PFsense

I have a OpenVPN setup from an barebone server with ~60 users, and searching for a way to import those users with certificates into a new PFsense setup. They don't have passwords, because we use ldap ...
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60 views

customised client to client connection configuration inside OpenVPN server

I have two clients with common names [client_sina] and [client_extra] that are connecting to an OpenVPN server on remote place via (TUN21) running on Tomato Router The only physical port of the ...
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559 views

OpenVPN: Setting DNS & WINS servers to Windows client, without DHCP

I have a few Windows 7/8 clients connecting to a Linux OpenVPN Server (tap). I'd like to set the clients' DNS and WINS servers upon connection. The OpenVPN isn't acting as DHCP server; there is an ...
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63 views

OpenVPN radiusplugin for IPV6 Freeradius Server

I'm having trouble configuring radiusplugin (nongnu.org) for OpenVPN auth with Freeradius server which listen on it's IPV6 interface. Is it possible to use radiusplugin.cnf with IPv6 server address? I ...
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110 views

OpenVPN on Ubuntu: IP Forwarding not working

I have successfully set up a VPN connection between a Windows 8 client and my Ubuntu server running OpenVPN. However, I just cannot get IP forwarding to work. I have adjusted all settings as desribed ...
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135 views

OpenVPN connects and disconnects on Gigabit network

I'm using OpenVPN Client 1.5.6 and use Windows 8.1 64-bit. The switch and router is running in Gigabit speed. But the connection to the VPN server goes up and down all the time (TAP-Win32 Adapter ...
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71 views

OpenVPN service delaying startup

I'm developing an embedded system based on ubuntu 12.04 that runs an OpenVPN client to connect to a central server. However, the system may not always have internet access when it is booted. The ...
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440 views

OpenVPN drops connection and then reconnects constantly

I have a Linux client I am connecting to an OpenVPN host. The client connects fine, and with verb=5 I see multiple reads and writes on the client: LOG:1391694246,I,Initialization Sequence Completed ...
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52 views

Open VPN: add DNS rule to change server domain to local IP

I have a working setup, where all traffic is redirected via a open VPN tunnel. Only issue I have left is, that I want the domain of the server to be the local IP address. Meaning that when the client ...
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87 views

OpenVPN group clients in private subnets

I would like to group all my clients in 3 subnets: subnetA 10.0.1.0/24 subnetB 10.0.2.0/24 subnetC 10.0.3.0/24 and server at 10.0.0.1 with the following rules: clients in same subnet can reach ...
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49 views

OpenVPN port mapping + mongoDB

I have a Digital Ocean droplet running CentOS with MongoDB (port 27017) and OpenVPN server, and a Windows client. Problem is I can't connect to the mongo server through my VPN tunnel. Tunnel is ...
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61 views

openvpn doesnt start due to iptables and mangle (VMware)

I have installed openvpnas on redhat5.10 via the package from openvpn. When I start the server it will start the webserver for administration but it wont start the the openvpn service. So I did my ...
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110 views

Severe performance issues sharing openvpn client connection to LAN clients virtualbox

I am trying to set up an internal network in Virtualbox in order to share an openvpn client tunnel with multiple VMs acting as clients that should be completely isolated from everything except for the ...
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27 views

VPN Full Functioning Then Enabled 2nd NIC now VPN not functioning

I had a successful VPN solution stood up on a Dell PE 2650. I configured Ethernet Bridging and all was well. Following the successful configuration and connection of a few clients, I got greedy. I ...
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58 views

OpenVPN - Routing from one VPN into another

I have the following situation. I have a root server, which acts as a VPN server for my company network and as a VPN client to multiple customer-networks. Every seperate connection works (I can ping ...
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107 views

pfsense: filtering traffic with multiple OpenVPN servers

Thanks in advance for any help.... :) My setup is: Pfsense version 2.1-RELEASE 3 OpenVPN servers running on ports 1194, 1195 and 1196. 3 interfaces defined - VPN_1, VPN_2 and VPN_3 - each assigned ...
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19 views

OpenVPN Access Server Selective Routing

We have a company admin panel that i want to be accessible only inside an OpenVPN Access Server network, but i don't want our staff to do their normal browsing from the server IP. So how can i make ...
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232 views

Using OpenVPN only for specific applications on Linux

I have a working PPTP VPN with very specific routing requirements that I need to replace with OpenVPN due to issues with our ISP, and I am having issues adapting my routing rules to OpenVPN. I only ...
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123 views

OpenVPN Connected but Unable to Access Machines Inside

I'm on an Ubuntu laptop connected wirelessly, attempting to VPN into my network. It seems to connect successfully, showing "Initialization Sequence Completed", but I can't ping or otherwise access ...
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33 views

openVPN as a way to connect to a LAN by another client, different from server

Setup: one LAN handled by a router without a publicly available IP address but without any outbound connection restrictions ("target LAN"); a separate server publicly reachable from the Internet ...
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317 views

Tomato RT-N16 - How to Prevent Multicast Packets from Reaching OpenVPN clients (TAP)

We have a remote (like in the woods) client using a VPN connection to connect to our office, using this link we can monitor and operate the remote client without a few hours drive in the wild. This ...
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8 views

Openvpn mat through access server depending on client

I have several services which should be accessible through a VPN. Clients who connect through the VPN server should be NATed so that all their traffic passes through the access server. However server ...
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277 views

OpenVPN slow with Firewall enabled on Zyxel ZyWall USG-100

I have an OpenVPN server on a Linux machine, after installing a ZyWall USG-100 I'm experiencing extremely slowness navigating web servers on my remote LAN through the VPN connection, while accessing ...
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71 views

openvpn bridged mode: interface config with loopback

I'm currently running an openvpn server using routed mode (ubuntu 12.04) Because I have written a network application that uses broadcast, I think I have no choice but to go to bridged mode. However, ...
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192 views

OpenVPN on Ubuntu 12.04 - unable to connect to internet

I'm trying to use OpenVPN on my Ubuntu 12.04 web server, but as soon as OpenVPN is running, I can't connect to the internet. Befor starting OpenVPN, route says: Kernel IP routing table Destination ...
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92 views

Make local OpenVPN server show client's IP as localhost

I have an OpenVPN server, Tomcat and Jenkins server all running on the same DigitalOcean instance. I want to only be able to access Jenkins' web interface when I'm connected to the VPN. I can close ...
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35 views

Remote domain clients use remote gateway instead of local gateway

I've a remote office, connected via VPN LANtoLAN to the main office where is located a server with 2003 SBS. In the remote office there is a dozen of clients not joined to the domain, that use local ...
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39 views

OpenVPN Bridged VMs

I have two servers. One contains few VPS which acquire IP via OpenVPN bridge from another server. So setup looks like this: Internet -> (ServerA.br0 -> ServerA.tap0) -> (ServerB.tap0 -> ...
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35 views

Can somebody read the challenge password value from client.key, if he get my client.key file?

Can somebody read the challenge password value from client.key if he get my client.key file? This is about easy-rsa, it comes with OpenVPN
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74 views

dev tap on Windows7 using DHCP and same internal network

I'm having some issues connecting to my openvpn server. This is the setup: I have a win7 machine running openvpn server behind a router. I am able to connect to the server from my client without issue ...
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171 views

Debian Wheezy OpenVPN server, OpenGUI Windows 7 client fails

I have set up an OpenVPN server on my Debian Wheezy machine. When I try to connect from my Windows 7 client machine, I receive some message which I am not able to decipher. I would be very grateful ...
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75 views

Is it possible to use server with multiple openvpn connections as proxy

I am not a system administrator, so I will do my best asking this question. I have a server which connects to three OpenVPNs simultaneously. My question is if there are three clients is it possible ...
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129 views

OpenVPN bridging for Xen VMs

I have a following situation and need your help. My client has several servers-routers in different GEO regions and some servers within one DC which are used for a Xen virtualization each. Routers ...
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171 views

PF, redirecting SSH to internal VM

I run a FreeBSD server with VirtualBox on it. There's a VM in there I'd like to contact via SSH directly using Port 20000. Client and FreeBSD server are connected through OpenVPN via tun. The ...
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1k views

OpenVPN Route Issues w/ Mikrotik & Windows 7

I'm having (what I suspect is) a route issue with an OpenVPN implementation and a Windows 7 client. The VPN connection looks to establish itself just fine, and the route is available however efforts ...
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354 views

openvpn to share internet connection: client side (kubuntu) configuration

Server Debian 7.0 Client Kubuntu 12.10 Followed debian wiki about OpenVPN with success until TLS-enabled VPN section. Now from client I want to have internet thru vpn. For that I opened KDE ...
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49 views

Linux + OpenVPN + SNAT + Failure on client grab the reply to it's own generated traffic

Ok, I'm really desesperate I need to release an openvpn deploy to get rid of a dying server. On the subject: I installed OpenVPN with a routed interface (tun0) into a server with a public IP + 3 ...