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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iptables forward port range through OpenVPN tunnel

I have a VPN server (the "host" - 10.8.1.1) on a public VPS instance running OpenVPN. The second instance I am running (the "client" - 10.8.1.2) is a local ESXi instance connected to the host vpn ...
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8 views

Accelerating OpenVPN using multiple connections

My ISP throttles single connection downloads, but if I use an accelerator like aria2c and open lets say, 20 connections, my download speed shoots through the roof. I have been able to saturate my ...
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27 views

Route public subnet to client over openVPN

I want to route a public /29 subnet over vpn to a client with a natted ipv4. After doing some research, I can't figure out to make that work. Maybe I was searching for the wrong terms, but it seems ...
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8 views

Openvpn server behind NAT router with PPTP connection to service provider

I have Zyxel router connected to service provider using PPTP. Behind the router there is a Ubuntu box with OpenVPN server. I would like to forward a port for OpenVPN server to access it from internet. ...
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24 views

OpenVPN in bridged mode, confusion about interfaces

I'm trying to understand some fundamental OpenVPN/networking basics. Let's assume the following scenario: there is an openVPN server which is already configured properly it runs in bridged mode the ...
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0answers
30 views

Understanding an OpenVPN bridge from iptable's point of view

In my scenario, there is a machine which acts as both an iptables-based firewall and an OpenVPN-server at the same time. It has two network interfaces - eth1 is connected to the internet whereas eth0 ...
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5 views

Connecting to VPN server using vpncmd on windows [closed]

I have bots written for a game that I connect using vpngate from the SoftEther Open Source project. Everything is working great using the client software. However when the connections go down I want ...
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12 views

openvpn server drops route for client

I am using the following openvpn config: port 1194 proto udp dev tun ca keys/ca.crt cert keys/openvpn-server.crt key keys/openvpn-server.key dh keys/dh1024.pem crl-verify keys/crl.pem ...
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2answers
52 views

pfSense OpenVPN DNS Resolution

It seems that my problem is a common issue, and I've read several answers on Server Fault, but I can't seem to get my issue figured out. One of my clients is running pfSense 2.1.4, at an internal IP ...
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22 views

openvpn server for mobile access routing/bridging

I'm running a web server on an IPC and want to get access to the network with VPN, because the customer doesn't want to host his data directly on the internet. This web server runs a webapp, which ...
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41 views

pfSense LAN network unable to communicate with remote network on OpenVPN TAP connection

I set up pfSense to connect to a remote network (192.168.122.0/24) that only accepts tap connections. The connection is being initiated successfully. pfSense (192.168.1.1/24) itself can connect to ...
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19 views

If I forward a port on DD-WRT router, will it still pass through the OpenVPN? [closed]

I use a router flashed with the latest build of DD-WRT. I use it with my Mullvad VPN. As you know, there's a VPN option in the DD-WRT Web UI. So, I put my Mullvad OpenVPN settings in it, and it ...
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1answer
19 views

Can't connect to SQL Server on virtual machine while Open VPN client is running on my system

I've got a server where there are a few virtual machines. I use Hyper-V. I created one virtual machine and installed SQL Server 2008 R2 there. Then I was able to connect to that server using ...
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1answer
27 views

Using OpenVPN and iptables in combination

Let's imagine there are three networks, WAN, LAN-A and LAN-B. In between, there is a firewall server connecting the networks to each other. iptables ensures the following things: There is no way for ...
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1answer
35 views

bypass firewall with Openvpn + Squid

I have 2 VPS servers, one in China and another in the US. The server (openvpn client) in China is connected to the US one via openvpn. I also have squid running in the China server. I want to redirect ...
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2answers
18 views

OpenVPN route IPV4 over IPV6

A friend of mine has issues with his ISP. At the moment, he get's no IPV4 from his provider (they have issues since 2 weeks), but one IPV6. Sadly, it's not possible to open 95% of the websites without ...
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0answers
31 views

How to route traffic from private network to openvpn subnet (and back)

I have a couple servers at Linode. I'm trying to set them up so I have a VPN into one of the machines and can then access all the other machines using the private linode network. Public access to ...
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1answer
29 views

Lots of users, reverse proxys and problems with both

I have a somewhat unique situation that is making managing my vpns a bit of a pain, so I am trying to make it easier on me and my users, hope somenone can give me some ideas and/or alternatives. The ...
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1answer
55 views

Convert certifcates file to .ovpn [closed]

I have tried to create an vpn server of my own. I have read many tutorials on the internet and I have done all the tutorials. I have created Ca.crt and server.crt and am done with my client.key.But ...
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0answers
22 views

Pfsense OpenVPN Site to Site Routing issues

I know this question has been asked a plethora of times before and I have looked over probably 100 different answers and still cant seem to get this to work. Im trying to create a very simple site to ...
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1answer
65 views

Pam-Mysql “Can't initialize threads: error 11”

Inside a Debian OpenVZ container, I have 2 OpenVPN servers (udp on port 53 and tcp on port 443). The authentication is based on Pam-Mysql. Inside my OpenVPN conf file I have: [...] plugin ...
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13 views

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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1answer
45 views

Is it possible to use OpenVPN tap device and have latency less then 100ms?

I've just setup OpenVPN server with the following config: daemon server-bridge push "route 0.0.0.0 255.255.255.255 net_gateway" proto udp port 1194 dev tap21 comp-lzo adaptive keepalive 15 60 verb 3 ...
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113 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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1answer
29 views

TCP RST from telnet/ssh daemons when connecting from openvpn

I have LAN_1 and LAN_2 interconnected with an openvpn tunnel terminated ona pair of SOHO routers running busybox. One of the vpn purpose is to allow clients on both LAN_1 and LAN_2, to administer the ...
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2answers
39 views

OpenVPN doesn't start correctly

When I install Open VPN and try to start it, I get this: iptables service not started because of error (SVC_RUN_EXCEPT) I have VPS in OVH. I don´t know if the problem can be tun/tap ppp. I also ...
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1answer
21 views

Configuring Shorewall for routed OpenVPN

I have an Ubuntu server 14.04 machine that serves as a NAT router. The routing is achieved using Shorewall, mostly in line with this tutorial. The LAN has the subnet 10.0.0.0/24 On this machine I ...
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12 views

OpenVPN not sending traffic to internet? [migrated]

I've set up openvpn on my pi and am running into a small issue. I can connect to the VPN server and ping it just fine, and I can also connect to other machines on my local network. However I am ...
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35 views

OpenVPN configuration WinXP client & debian server

Now faced with the problem to set up OpenVPN on debian server. Trying to test connection on WinXP, but nothing works. Now let the logs begin. server.conf http://pastebin.com/fWpLxaeB client.ovpn ...
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45 views

Routing Traffic With OpenVPN [migrated]

Few minutes ago i configured my VPN server, and actually I can connect to my VPN but all trafic is going through my normal home network. On my OpenVPN application I've got an information : Server IP: ...
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1answer
21 views

OpeVPN log connecting client IPs

I looking for the best solution to log all connecting client's ip to either a text file or a database who logs into my VPN server. Under the IP I mean the public WAN IP on the internet where they are ...
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1answer
50 views

Not able to connect to port different than 22 - OpenVPN

I have OpenVPN network with 5 clients. Computer with Arch Linux which hosts OpenVPN server, It also hosts virtual machine with Computer with CentOS which is also connnected to OpenVPN subnet. ...
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1answer
88 views

Openvpn - stuck on Connecting

I've got a problem with openvpn server... every time when I trying to connect to the VPN , I am getting a window with login and password box, so I typed my login and password (login = Common Name ...
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2answers
80 views

All traffic is passed through OpenVPN although not requested

I have a bash script on a Ubuntu box which searches for the fastest openvpn server, connects, and binds one program to the tun0 interface. Unfortunately, all traffic is being passed through the VPN. ...
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2answers
24 views

OpenVPN - does it need public WAN IP mapping

This is a small sample of my network Topology where I have a WAN Router <-> Switch <-> OpenVPN server. I currently have limited number of public IPs assigned to the office. My question is, can ...
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1answer
76 views

OpenVPN on port 53

I have an OpenVPN server setup on UDP port 53 on a public IP. All the connecting clients gets pushed external DNS servers such as 8.8.8.8 (Google) and OpenDNS. Sometimes the resolution stops working ...
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1answer
93 views

How to configure OpenVPN server to use custom default gateway?

I have a vpn server at address 10.1.0.2 and the server have another ip in it's network -- 10.0.0.2 in his subnet (it's a tun2socks router). But default server's gateway is NOT 10.0.0.2 (and it's ok) ...
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32 views

Renaming an OpenVPN server - how to keep from losing all clients?

I have been instructed to change the domain name on a bank of servers. One of these is for OpenVPN and I'm wondering how best to do this without cutting off all the clients. Each client is also ...
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59 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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0answers
26 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. ...
0
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1answer
188 views

OpenVPN tun routing (can ping tun interfaces) with mikrotik and NAT on both ends

Problem The Mikrotik site is unable to ping anything on the server site. The Server site is less important right now. OpenVPN Server config is on LINUX port 1194 proto tcp dev tun ca ca.crt cert ...
2
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0answers
215 views

How do I route all traffic from clients connected to the DD-WRT to its OpenVPN tunnel tun0?

I am setting a secondary (DD-WRT) router to act as a OpenVPN client so that all clients would get VPN access simply by connecting to the router. But seems clients traffic is always routed via the main ...
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0answers
40 views

Searching for (hardware/software) solution for tunneling VPN over port 80/443 [closed]

I know the topic is broad. But I want to narrow things down. My WLAN router doesn't work anymore and I'm thinking about a better VPN solution. I have a WHS 2011 (kernel based on Windows 2008 R2) with ...
2
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0answers
65 views

Is there any solution to make OpenVPN authentication with Google ID?

Or, maybe any oauth? All I could find - is 2factor authentication with google. But I'd like to use Google Apps base for OpenVPN auth. I believe that it is possible to make something like gitlab. ...
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0answers
86 views

OpenVPN certificate OR plugin-auth-pam authentication

Configuring OpenVPN server, I can enable either certificate-based authentication or username/password authentication using openvpn-plugin-auth-pam plugin, but not both at the same time. I enable ...
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0answers
74 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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56 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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0answers
23 views

OpenVPN server stops responding

I've setup an OpenVPN server at Google Compute Engine. The client connection initiates fine. I'm able to fetch websites with: curl --interface tun0 google.com However, when I open the same site in ...
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1answer
40 views

How to block access to OpenVPN server services?

First of all, I'm a total noob with VPNs. I only managed to install OpenVPN by following a tutorial. The clients can see each other and everything seems to be working without a hitch. However, the ...
2
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1answer
86 views

How to route traffic through OpenVPN for the server only

I have a number of services running on my server to which I want to restrict access to only those connecting through OpenVPN. I did manage to get routing to work to a second IP I added to the ...