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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2k 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 ...
4
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1k views

IPv6 routing over OpenVPN

Trying to learn how IPv6 works with OpenVPN, so I wanted to setup following scheme. I have a VPS server (Ubuntu), which have been allocated a /48 subnet. ISP ipv6 gateway is XXXX:XXXX:XXXX::1 Server ...
3
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0answers
113 views

How to enable 2-factor auth using Google Authenticator for .ovpn file based openVPN access?

I have an openVPN setup where the users do not have shell accounts on the Debian VM running openVPN. The articles I found while Googling all have instructions of setting up Google Authenticator for a ...
3
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0answers
305 views

How to properly replace CA certificate when clients get it bundled in PKCS#12 containers?

I'm about to regenerate a certificate of my CA (maintained by OpenSSL) used mostly to provide OpenVPN access to the intranet for my clients. My question is related to this one — "Certification ...
2
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0answers
71 views

Configuring OpenVPN server (debian 8) and client (windows 10)

I'm having trouble configuring OpenVPN server on Debian 8 and client on Window 10 (64-bit). When trying to connect I get a fatal error notice on the client side. Server log: Fri Mar 25 09:25:34 ...
2
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0answers
257 views

OpenVPN - OpenVZ - Multicast and how to enable it

Good day all My application makes primary use of Multicast packets on ip = 224.8.0.1 I have tested over normal Wifi/Ethernet and hosted networks, which are all good. Problem: My OpenVZ ...
2
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0answers
166 views

Tunnel only specific port over OpenVPN on OpenWRT-Merlin

My Asus RT-AC87U router is running OpenWRT-Merlin. OpenWRT-Merlin allows you to set up an OpenVPN client and disable NAT so that you have to manually configure the routes for this VPN. How do I do ...
2
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0answers
21 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 ...
2
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0answers
532 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 ...
2
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0answers
19 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 ...
2
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0answers
271 views

meaning of 'event_wait : Interrupted system call'

I manage several OpenVPN links. sometimes while the VPN is UP since minutes, hours, suddenly it falls with this message: event_wait : Interrupted system call (code=4) Sep 8 11:13:46 hostname ...
2
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0answers
31 views

Samba server disappears from the browser list after a period of time

I have a Ubuntu server running as a router. On the server I use iptables and DHCP 3.1.3, Samba 3.4.7 and OpenVPN 2.1.0 server. I have problem with Samba server disappears from the VPN client browser ...
2
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473 views

Assign a public ip to openvpn client

For learning purposes, I'm trying to set up openvpn server, so that each connected client would get a unique public ip address. I have a vps server and I ordered extra 8 static ips and they are ...
2
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0answers
1k 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 ...
2
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0answers
479 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 ...
2
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0answers
401 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 ...
2
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0answers
533 views

Vagrant bridge to openvpn interface?

Setup: A box running OpenVPN server and few Vagrant virtual machines Problem: I would like to access Vagrant boxes directly from VPN clients as regular machines, and not on only few forwarded ...
2
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0answers
209 views

OpenVPN on Windows Server 2008 - keeps disconnecting 'from itself'

I have OpenVPN GUI on Windows Server 2008 & can connect fine from a Windows 8 client. However, after a few hours - whether the client is connected or not - the server disconnects and doesn't ...
2
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0answers
423 views

OpenVPN: Run 'bridge-start' on boot before starting openvpn service (Ubuntu)

I've got OpenVPN working properly on my server, using bridge-start and bridge-stop scripts to create and remove network bridge, respectively. How do I set these scripts up to run bridge-start at boot ...
2
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0answers
277 views

Virtualbox: Bridging Guest VPN within a Bridged Connection

I've been trying to figure this out for a few days. Perhaps the biggest problem with figuring out the answer is that there are no unique keywords that I can think of to explain the issue. I have ...
2
votes
0answers
8k views

OpenVPN daemon fails to start — starting server manually returns no output

I am setting up an openvpn server on my network for the purposes of accessing devices remotely. I have generated crts and keys with the easy-rsa scripts and have configured server.conf correctly ...
2
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0answers
2k views

OpenVPN resets connection repeadly

I have a OpenVPN server installed in an Amazon instance with Windows Server 2008 R2, and there's my client. First i connect to my VPN For some reason when i try to connect to my VPN server and RDP to ...
2
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0answers
739 views

OpenVPN Configuration - Windows 7 client & debian server

I recently formatted my Windows 7 computer and lost my client's config files for OpenVPN. I recovered the certificates and default config that were left on the server but I haven't managed to make the ...
2
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0answers
2k views

Routing only some local IPs through VPN on dd-wrt

Much similar to this entry: http://serverfault.com/questions/94283/using-dd-wrt-to-connect-to-vpn-and-forward-all-traffic-of-certain-devices-through , I have set up my router with dd-wrt + OpenVPN to ...
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0answers
20 views

Particular workstations cannot reach specific servers in an openvpn site2site environment

It seems to be a weird problem to me. Here is the situation. I set up a site to site environment by openvpn (udp protocol), most servers and workstations can reach the other site but several servers ...
1
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0answers
19 views

Why would OpenVPN attempt a TCP connection in a UDP setup?

I connect to an OpenVPN server (IP_of_OpenVPN_server) from a network which is behind a firewall (iptables managed by Shorewall). The firewall is set up to only allow outbound OpenVPN (udp/1194) ...
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0answers
33 views

Openvpn Error opening configuration file:

I just set up openvpn with this script on clean centos 7. And I can't connect to server. I got following error in journalctl -xn 05:18:39 localhost.localdomain openvpn[1433]: Options error: In ...
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0answers
25 views

Route all traffic from virtual interface to temporary tun0

I'm trying setting up at home an automated torrent client to download some big GIS databases I produce at work and release as .torrent files. My home server is a Raspberry PI with one Ethernet ...
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0answers
39 views

Using a VPS as front end proxy

I run a shell host that many users share which gets frequently DDoS'd (at least once every other month). So I have come up with a plan to peer all traffic with a VPS, so that it appears to everyone ...
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0answers
30 views

OpenVPN with CryptoAPI on Linux

I have an OpenVPN config file that uses Microsoft CryptoAPI. Meaning, it contains these lines: cryptoapicert "SUBJ:..." ca ca_file.crt tls-auth tls.key It works fine on a Windows system. However, ...
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0answers
33 views

How to correctly set up a bridge interface in GCE

I'm trying to set up a bridge interface as described in many docs, for instance: https://help.ubuntu.com/community/OpenVPN My setup in identical to that one, except obviously I used my GCE internal ...
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0answers
22 views

OpenVPN connection Time out after connecting to Server

I have set up OpenVPN on my Server and now have problems when connecting to it. As soon as the connection is established I cant use the internet anymore. SSH into the server is still possible. here ...
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0answers
58 views

linOTP to openVPN authentication ubuntu 12.04

I am working on a project in which I have to install a one-time password authentication. I have successfully installed openVPN to which I can connect without any authentication. I have installed the ...
1
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0answers
42 views

Route traffic between OpenVPN networks

The goal is to have main OpenVPN server and multiple OpenVPN subnets that are reachable for main server clients. All subnets' servers are clients of the main server too. Here are configs: main ...
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0answers
31 views

Cannot ping an ip of router

my issue is: r1 ping r4(em0) will lost the first packet r2 ping r3(em0) will lost the first packet too r3 cannot ping r2(eth0) r4 cannot ping r1(eth0) there are 4 routers, and connected with ...
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0answers
34 views

How to ping machines behind an openvpn client router

I've a network located in 3 phisical places. In the first place I've a PC called PC1 configured as OpenVpn Client with a 10.8.0.3 ip address. In the second place I've a Router configured as OpenVpn ...
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0answers
30 views

Router OpenVPN client connected, but remote VPN machines not visible

My goal is to connect my Asus RT-68 router to remote VPN network, so LAN computers can access remote ones. Remote OpenVPN server is run on Zentyal Linux distro. My LAN address range is 100.100.0.0/24 ...
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0answers
95 views

OpenVPN on pfSense: CRL verify fails with PKI depth 2

I've create a site-to-site OpenVPN structure on pfsense 2.2 using the built in certificate manager and the following: There is a root CA and an intermediate CA from which the server and client certs ...
1
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0answers
59 views

How do I use OpenVPN as an appliance in Azure to access protected resources?

I've been successful in creating a Virtual Network, adding subnets and security groups to different levels of our infrastructure, and installing OpenVPN on a VM and establishing a connection to it ...
1
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0answers
29 views

Multiple VPNs - can't activate more than one

I have a small problem. In my setup (linux, kernel 3.10.17) I have one ethernet port and multiple WWAN interfaces; each WWAN has its own VPN already activated. The VPNs are connected to the same ...
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0answers
63 views

How do I make Docker forward a packet from remote when a packet from the dockerhost works?

I have set up a docker container with a vpn. I added another container with a Squid proxy using the --net option, sharing the same network as the vpn. Running a traceroute from within the container I ...
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0answers
36 views

OpenVPN Tunnel not working for subnets after some time

okay this sounds weird, I have one OpenVPN Server with 2 clients, 1 client works fine, the second one drops out after about 1 day. The server is 10.7.2.1, the client 1 10.7.2.2 (not working) and ...
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0answers
24 views

openvp client “spoofing” server with IPv6

An openvpn client (windows 64 bit -presumable windows 8-) is connecting my OpenVPN server normally. After connecting, it is routing all it's vpn related traffic through the vpn, natting (seems to be ...
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0answers
42 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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0answers
28 views

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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0answers
95 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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0answers
120 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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0answers
15 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
76 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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0answers
39 views

Cannot raise Max number of concurrent openvpn clients

For same strange reason the number of concurrent clients that can connect to my openvpn server is limited to 70. No matter what parameter I change in server.conf the limit does not change. If I try to ...