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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What does push dhsp-option do besides “redirect-gateway def1”?

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
20 views

Access two web servers (VPS and Windows Server) through the same IP (PUBLIC AND VPN) using VPN

reference image: http://snag.gy/gSSM8.jpg I have two servers: a hosted VPS with a website on port 80 and a home server running windows 7. The home server is running WAMP on port 88, which works on ...
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1answer
7 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
3 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 ...
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13 views

Asus RT-N66U Openvpn server connects but cant access the internet [on hold]

I have a Asus RT-N66U router at home, which i've created a openvpn server on port 443 using TCP. Got port 443 open. At my house, I have a ISP router (192.168.1.254), and my router connects on ...
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14 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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35 views

Can't get “redirect-gateway” to work correctly

On my client side, if I include "redirect-gateway", I can access the tunnel but I cannot access internet. Without it, I can't access the tunnel but I can access internet. Server: port 1194 proto udp ...
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15 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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8 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 ...
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1answer
27 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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22 views

Connect OpenWRT router, root server and roadwarrier via VPN - which vpn technology? [closed]

I want to connect a private LAN (connected over an OpenWRT router via DSL), a root server on a hoster and different roadwarrior together to one VPN. On the root server (Debian Wheezy) I´ve installed ...
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1answer
40 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 ...
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28 views

pfSense OpenVPN Routing to Sever LAN

I'm trying to get my OpenVPN server to route traffic from clients to the server's LAN. My setup is as follows: pfSense box at 10.1.1.1 Other servers on the LAN at 10.1.10.0/24 (with DNS server at ...
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48 views

OpenVPN ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg)

I'm trying to configure OpenVPN on my Debian 7 VPN but I'm getting the following error ERROR: could not insert 'tun': Unknown symbol in module, or unknown parameter (see dmesg) I tried the ...
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28 views

pfsense access openvpn client´s lan

I want to cover the following case: pfsense server´s LAN: 10.1.0.0/24 openvpn client network: 10.2.0.0/24 Local network of one openvpn client: 192.168.2.0/24 Working: Access the network ...
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29 views

Tomato to OpenVPN Server on Ubuntu Server

I use OpenVPN on Ubuntu Server as VPN Server, and Viscosity successfully working with this client configuration: xxx.no-ip.org remote udp 1194 dev tun tls-client ca ca.crt cert cert.crt key key.key ...
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20 views

Check concurrent connections per user on OpenVPN server

I have an OpenVPN server running on a dedicated server and I want to know how many connections each user has open with the server. To test, I made it so im the only one that can login, and then ...
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12 views

vpnc through openvpn failed

I should connect to a Cisco VPN server for example 95.94.66.6, it configured to accepts specified IPs so I launched a server with a registered IP on Cisco which runs an openvpn server. The scenario ...
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1answer
19 views

OpenVPN client from multidomain SSL host

My server uses it's server certificate when connecting as a client to another server. webserver - server1.mydomain.com openvpnserver - server2.mydomain.com Server1 is a web server with SSL ...
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16 views

VM LAB - Promiscuous mode clarification

So for clarification I am running a Lab within VMware behind OpenVPN, 1 NIC with direct internet access (WAN vswitch) and another NIC with a leg inside a LAN vswitch. (This obviously houses my VM's ...
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2answers
118 views

OpenVPN Route Client Traffic Through VPN Server Tunnel

I have configured a vps following this tutorial, the server and client are successfully connected and can ping each other, server is at 10.8.0.1 and the connected client (android-OpenVPN Connect) get ...
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48 views

OpenVPN Port forwarding on a OpenVZ VPS

I've been trying for the past 3 hours to forward the 443 port from my client to the 20443 port on my server (CentOS 7 on OpenVZ), so i can access it on myserverip:20443. I have OpenVPN Access ...
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36 views

DD-WRT/OpenVPN Tunnel Between Two Routers - Block Non-VPN Traffic on vlan1

I have two DD-WRT routers with OpenVPN that I am trying to make a secured tunnel between them. I need them to drop everything that is not going to tap0 on the WAN ports(both of which are set to ...
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1answer
27 views

OpenVPN: correct way to use a relative path in an OVPN file

I am attempting to connect to a service using OpenVPN. There are a number of configuration files (.OVPN) that share a single certificate (ca.crt); all are located in the same directory. ...
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9 views

iptables NAT can't initialise on Debian openvz [duplicate]

So i want to create a nat rule for an openVPN server. After getting trouble with the TAP/TUN Devices, it's finally working i think It's working greate but not routed so useless. Now i have to make a ...
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1answer
45 views

Openvpn server with bind9 DNS on AWS. Linux client cannot resolve host names.

I have a openvpn server set up and working on an AWS debian instance. It works as should but I want to push DNS queries to linux clients from bind9 which is on the same server as openvpn. All seems to ...
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1answer
49 views

Openvpn Server multiple Certs

We have OpenVPN clients with CA-Certificates from an old and a new authority. We can't change them all at once. The clients are verifying the certificate presented by the server. Is it possible ...
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2answers
208 views

Change OpenVPN server's tun0 address from xxx.xxx.xxx.1 to xxx.xxx.xxx.11

In the openvpn server's config file I have the line server 192.168.20.0 255.255.255.0. This will cause tun0 to be created with inet addr:192.168.20.**1** P-t-P:192.168.20.**2** Mask:255.255.255.255 ...
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1answer
39 views

OpenVPN Hairpin Nat

I have an OpenVPN set up that looks like this: +------------------------------------------------------+ | ...
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1answer
46 views

openvpn windows routes ip forwarding enabled but not working

I have setup an openvpn network, I have in my client windows two interfaces, one public with IP 1.2.3.4 and the openvpn interface, with ip 192.168.244.10 I am able to ping from windows to the ...
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30 views

openvpn route traffic over vpn but through specific client gateway

I have setup openvpn with a server A and two clients with their specific client-specific file overrides. It works normally, even when I configure it to route all traffic through the VPN. Now in ...
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50 views

Force all traffic from one user through an OpenVPN tunnel on Debian 6 with iptables and ip route

I’m trying to force all traffic of one user through an OpenVPN tunnel. It is giving me grey hairs. The current situation is that I can either allow all traffic for this particular user, and it will go ...
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1answer
18 views

Server Loses Public Access When VPN Started

I have a setup a server that uses an OpenVPN client, in order to connect it to my private network at home. Whenever I start the VPN client-connection on the server, I can only connect to it's public ...
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50 views

Access website hosted on same server as VPN via the VPN

I have just finished setting up a OpenVPN server running on Ubuntu 12.04 and I have been able to connect to it from my own computer (the client). I am able to set up the VPN server to route ALL ...
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2answers
53 views

How Can I Give My VPN Clients Internet Access

I have been successful in setting up two OpenVPN servers as follows: Ubuntu1 (LAN IP: 172.23.6.148 WAN IP: 60.242.175.132) Ubuntu2 (LAN IP: 172.23.6.149 WAN IP: 60.242.175.133) Clients ...
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1answer
44 views

NFS fails to mount through openvpn tunnel

I am trying to establish an nfs connection through an openvpn tunnel. It really anoying and i dont know what to try next. The connectein test has been made on several platforms now. used ...
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73 views

Only allow SSH from specific IP to evade VPN connection?

I want a Linux server to use the VPN connection for all traffic that is not SSH from a specific IP. If the VPN connection becomes unavailable, not other communication than SSH with the specific IP ...
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1answer
66 views

Centos 7 with SElinux: openvpn and DNS

I'm trying to use openvpn as client on centos 7. It works fine, but i cannot get DNS from server. As you know, there is no resolvconf in new Centos, so, standard update-resolv-conf script doesn't ...
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1answer
41 views

OpenVpn & KVM: can't access LAN behind server

i just set up an OpenVPN Server on a rented root Server. I can ping the OpenVPN Server IP, but can't connect or ping to other Machines (VMs) on the OpenVPN Server Network. According to the official ...
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15 views

OpenWRT OpenVPN setup is slow, howto set CA on a remote system?

I want to run an OpenVPN-Server on a box but creating dh on it is really slow. I was searching the net, how to import a ca for the OpenVPN-Server on OpenWRT so I can run build-dh on a nother computer ...
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52 views

Redirect to another gateway in same subnet / route to another router in same subnet

There's this network: The computer 192.168.10.4 wants to access a VPS server which has an OpenVPN server running on it, configured to use the subnet 192.168.20.0/24. The computer's subnet also ...
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1answer
22 views

OpenVPN: forward client's LAN to the VPN

My current setup involves an openVPN server with a single network interface and a client on another network that acts as router for a specific LAN. My goal is to enable forwarding of LAN traffic ...
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1answer
59 views

OpenVPN not routing to other public IPs on the OpenVPN server

This is similar to the issue addressed at OpenVPN and routing . My server runs both a racoon-based L2TP/PPTP VPN service and an OpenVPN service. The racoon service assigns addresses in the ...
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1answer
27 views

openvpn server on router traffic visibility by ISP [closed]

Can my provider with DPI or another bad guys with SORM with access to all ISP transported traffic read my http packets send over openvpn server running on my router that use ISP connection for ...
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1answer
28 views

Don't connect to OpenVPN when on internal network

We have an OpenVPN server - it's physically running in our internal subnet. Basically the when the VPN client connects, he gets an IP from the VPN's subnet and a route to the internal subnet is pushed ...
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102 views

Routing Traffic to Subnet through OpenVPN Client Tunnel

I have a Shorewall powered masquerading router: eth0: DHCP client, external interface (net zone) eth1: static, internal interface (loc zone) Now I want to add an OpenVPN client that creates a TUN ...
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1answer
16 views

Weird routing when accesing local service on OpenVPN server

I'm currently having a very restrictive internet access, basicly, anything that doesn't use port 22, 443 or 80 are routed through a different network who has a 1 seconde ping and 60% packet loss. ...
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2answers
127 views

When the OpenVPN client is on, remote ssh access don't works [closed]

I'm a new user forum and I'm doing my first VPN setup. I have purchased a VPN service with PrivateInternetAccess. I'm setting up a Linux VM (CentOS 6.5 server) on a VMware ESXi remote host. It's ...
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2answers
74 views

Gateway pushed by OpenVPN is automatically replaced

I'm using OpenVPN as gateway and it works perfectly - connection is successful, routes are set and forwarding is working. But some clients have problem with gateway (two different windows PC on same ...
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1answer
32 views

Rewrite source with iptables [closed]

I'm going to route a static IP from a VPS to my OpenWRT router. They are connected with OpenVPN - the server is the 10.8.0.1 and the router the 10.8.0.6. My public IP is 1.1.1.1 for example, and all ...