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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1answer
27 views

OpenVPN client connects but only loads SOME websites

I set up OpenVPN server on a Ubuntu 14.04 VPS using OpenVZ. I can establish a connection to the VPN with a client. I can access some pages like Google and twitter but a lot of sites fail to load. I ...
0
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1answer
18 views

Opeswan and OpenVPN

I have installed Openswan and have configured IPSec tunnels and they work perfect until i install OpenVPN. Now i can't find out way the ping wont work. When i execute the "service ipsec status" it ...
3
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1answer
244 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 ...
2
votes
3answers
2k views

VPN server on Google Compute Engine with OpenVPN

I'm trying to use Google Compute Engine server as VPN server for all my traffic (I'm living in Russia, we have some issues with censorship here). There is mini-tutorial about VPN on GCE, but it's ...
0
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1answer
1k views

Zentyal Server : Setting up secure VPN Client

I have officially exhausted pretty much all my google-fu trying to set this up so I'm asking my question here. For the record, I am a mid level rookie who has played around with servers in his spare ...
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0answers
7 views

Logstash, send output of analyse to a web service

I am actually looking for a way to analyse the logging from my OpenVPN server. I tought about using logstash to analyse those log. If logstach find any certificate that are expired, I want him to ...
5
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4answers
1k views

Openvpn, forward packets very slowly

I rebooted my server, and an odd issue just came out. I am running on ArchLinux, the clients are Ubuntu, Android and Mac. The problem is that accessing the internet via the clients is slow, about ...
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0answers
33 views

iptables forward port range through OpenVPN

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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0answers
7 views

Zentyal VPN Tunnel not routing properly?

I'm new to Zentyal and trying to set up a Zentyal-to-Zentyal Tunnel. There's 2 Offices. One uses a standard ADSL connection and the Zentyal (A) Gateway sits behind the Router. The other one is a ...
1
vote
1answer
10 views

Can I use --duplicate-cn option for a specific VPN account instead of using at server level?

If I use --duplicate-cn I am seeing it taking effect over all the accounts of my server. I want to make it per client basis, so that I can give this option only to select accounts. Is it possible?
0
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1answer
23 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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0answers
14 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 ...
3
votes
2answers
4k views

Getting disconnected from OpenVPN server each hour

I am having a rather strange issue with my OpenVPN configuration. I am connecting from Windows 7 with official latest OpenVPN client to my OpenVPN server (OpenVPN 2.1.4 i386-redhat-linux-gnu). The ...
1
vote
1answer
884 views

How to troubleshoot problem with OpenVPN Appliance Server not able to connect

1) I have a Windows Server 2008 Standard SP2 2) I am running Hyper-V and have the OpenVPN Appliance Server virtual running 3) I have configured it as it said, only issue was that the legacy network ...
0
votes
1answer
989 views

Help with OpenVPN setup on Windows Server 2003

Just wondering if someone can assist me further with the set-up of OpenVPN on my Windows Server 2003. I have configured Win Server as per the following guide: http://tinyurl.com/kxusv and I'm now at ...
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0answers
28 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 ...
0
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0answers
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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2answers
1k views

Untangle VPN setup, how to see internal addresses?

So Untangle is setup as the default gateway at 192.168.100.1/24, it is the authorative DHCP server issuing addresses from 192.168.100.100 to 192.168.100.200 and is successfully connected to the ...
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0answers
27 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 ...
2
votes
0answers
32 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 ...
0
votes
1answer
774 views

OpenVPN UDP not connecting

I have OpenVPN successfully running on a VPS server which I'm connecting to from my laptop whenever I need it. The performance, once I connect, is really really poor. It's like 10% of my performance ...
6
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1answer
1k views

How do I prevent TCP connection freezes over an OpenVPN network?

New details added at the end of this question; it's possible that I'm zeroing in on the cause. I have a UDP OpenVPN-based VPN set up in tap mode (I need tap because I need the VPN to pass multicast ...
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1answer
5k views

OpenVPN: ERROR: could not read Auth username from stdin

I managed to setup openvpn but now I want to integrate a user/pass authentication method so, even though I haven't added the auth-nocache in the server config, whenever I try to connect it returns ...
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0answers
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 ...
2
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0answers
63 views

Forwarding DHCPOFFER through bridged OpenVPN

Setup: host <---> OpenVPN-client with DHCP-helper <---> OpenVPN-server <---> DHCP-Server Except "host" everything is setup with static IP's and routing works fine. All stations can ping ...
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0answers
45 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 ...
0
votes
2answers
57 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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2answers
1k views

Cisco AnyConnect VPN via OpenVPN tunnel [Unable to modify IP forwarding table]

Background: I'm working as a contractor for a small web design agency. We have a particular project / client requires that any updates / development that are performed are done via VPN. The client VPN ...
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4answers
2k views

OpenVPN won't start on ubuntu - PID not found

I am running ubuntu version 12.04 LTS and I have installed OpenVPN on it. After a while of troubleshooting why my client won't connect (I have generated keys and confligured the client), I ran ...
0
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0answers
26 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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0answers
34 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 ...
0
votes
1answer
25 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 ...
0
votes
1answer
28 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 ...
0
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2answers
21 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 ...
0
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1answer
41 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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votes
1answer
694 views

OpenVPN routing problem

Here is the problem: Server is on LAN A, client on LAN B. Client can ping server, including hosts on LAN A, but hosts on LAN B cant ping addresses from LAN A. Tracoroute shows that ping from LAN B ...
1
vote
1answer
30 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 ...
0
votes
1answer
658 views

OpenVPN on ec2 bridged mode connects but no Ping, DNS or forwarding

I am trying to use OpenVPN to access the internet over a secure connection. I have openVPN configured and running on Amazon EC2 in bridge mode with client certs. I can successfully connect from the ...
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vote
2answers
2k views

openvpn list all active certificates

I have a openvpn setup on ubuntu that multiple users are connecting to. I want to list all the active certificates with their Common name. Is their a way of doing this ?
2
votes
3answers
1k views

OpenVPN and Routing and IPtables

GOAL: Access internal network devices and browse web via the tunnel. 192.168.2.x = internal network 192.168.3.x = openvpn server 192.168.2.111 = openvpn server on internal network [root@openvpn ~]# ...
32
votes
5answers
46k views

Should I use tap or tun for openvpn?

What are the differences between using dev tap and dev tun for openvpn? I know the different modes cannot inter-operate. What is the technical differences, other then just layer 2 vs 3 operation. ...
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votes
1answer
57 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 ...
3
votes
1answer
884 views

ARP reply vanishes from br0 to tap0 using OpenVPN in bridging mode

i have setup a linux box (on an esxi5) which acts as an openvpn server. the server is configured to use bridging for the clients, which essentially works, with one exception. if the client pings some ...
1
vote
0answers
24 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 ...
0
votes
1answer
1k views

Cannot open TUN/TAP dev /dev/as0t0: No such file or directory (errno=2)

I just attempted to install OpenVPN Access Server on my Debian VPS that uses OpenVZ. It installed fine, however when I try to start it from the administration panel, I get these errors: process ...
1
vote
1answer
46 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 ...
1
vote
1answer
2k views

OpenVPN: Not all DNS entries get pushed to clients from server. (dnsmasq)

I have been trying to find a solution to this problem, but have found no answer so far, so I hope you guys can help me out. I have a server running Ubuntu 10.04, which has a static IP address and an ...
1
vote
1answer
778 views

iptables rule(s) to send openvpn traffic from clients over an sshuttle tunnel?

I have an Ubuntu 12.04 box with OpenVPN. The VPN is working as expected -- clients can connect, browse the Web, etc. The OpenVPN server IP is 10.8.0.1 on tun0. On that same box, I can use sshuttle ...
0
votes
1answer
72 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 ...
0
votes
4answers
1k views

OpenVPN client connects but can't access internet

I setup an Openvpn server on a centos box and I can get the client to connect (osx) but can't access the internet or even the local network. I thought maybe DNS but couldn't access any sites via IP. ...