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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OpenVPN server, UDP port no longer accessible

I am having a strange problem with OpenVPN. The server has worked fine and with no modification for a long time, except for updates. It suddenly stopped working and I can't figure out why. I cannot ...
2
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1answer
25 views

Are there any Distributed/mesh-like/P2P VPNs?

I have my personal VPN, connecting several devices so they can have fixed IP addresses on an always-reachable network (as long as they are connected to the Internet). This is necessary for me, since ...
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1answer
9 views

OpenVPN service mode connection from Windows 8 fails after shutdown

I have an openvpn server that works fine, but have an issue on a Windows 8.1 station that is configured in service mode. I have installed it already to more Win8 PCs but not in service mode. The ...
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4answers
3k 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
6 views

How does the OpenVPN browser client work in Chrome? [migrated]

OpenVPN allows you to establish the VPN connection directly from Chrome (other browsers, too, but Chrome is what I'm using). No installed software is required on the client machine. I remember when ...
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2answers
999 views

Gateway gets stripped from DHCP Reply through OpenVPN tunnel

I have a bridged OpenVPN setup. This is my server config: port 1194 proto udp dev tap0 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key ...
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1answer
42 views

Forwarding ports and traffic to VPN tunnel

I've installed OpenVPN on my VPS. I have one question: how to forward traffic going to that VPS to go to VPN tunnel created with my local PC. I will use TCP connection. The whole traffic will be like ...
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1answer
29 views

OpenVPN not working well on specific ISPs

I have a well configured ClearOS server that provides OpenVPN connectivity and Samba shares. I am able to connect to the server via VPN and view the shares with no issues. However, when the client is ...
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1answer
24 views

Return OpenVPN Internet clients' traffic to non-default gateway

At home I have an OpenVPN server which is at the same time an OpenVPN client. The purpose is to share one foreign IP address between several devices. In the local network everything works fine since ...
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4answers
3k 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 ...
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2answers
14 views

OpenVPN won't assign static IPs

I have OpenVPN setup and running correctly. The problem is I want to assign static IPs to certain users on my VPN, so they always get the exact same IP every time. My setup is for PAM authentication, ...
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1answer
14 views

OpenVPN Disable route but allow bridge

I have an OpenVPN setup running fine. The problem is one of my systems that connects I don't want it to run all traffic through OpenVPN. That single system I want it to only run the VPN IPs through ...
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1answer
24 views

Access OpenVPN client network from server

I have setup an OpenVPN connection between a Windows 2012 Server and an Debian Linux machine. The windows machine is the server and the linux machine is running openvpn as client. I can ping and ...
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1answer
1k 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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1answer
21 views

Control OpenVPN's publicly visible IP Address

I would like to separate services on a host with two separate IP addresses. One IP should only be used for OpenVPN and will function as a gateway for connecting to other servers. On the other IP all ...
1
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2answers
35 views

iptables rules for StrongVPN-like VPN endpoint

Goal: To replicate the functionality I have with StrongVPN on my own Debian VPS. With StrongVPN, seemingly, all ports on the public IP provided are forwarded to the client, meaning, e.g, ssh :22 from ...
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1answer
288 views

Web surfing issues in openvpn client

I have setup an openvpn access server in my vps. And now l'm living China, the goverment blocks the many foreign sites such as facebook and twitter. I can use the vpn server the cross the firewall of ...
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4answers
6k views

NetworkManager is not changing /etc/resolv.conf after openvpn dns push

I've got a problem which is "NetworkManager is not updating /etc/resolv.conf after openvpn connection with dns push configured". Here's my openvpn server config: (I've changed domain name to ABC.COM ...
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1answer
11 views

Can a client certificate be revoked and reissued with the same name in OpenVpn?

Can a client certificate be revoked and reissued with the same name in OpenVpn? Please Help.
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0answers
15 views

Setup OpenVPN network with subnet

I want to set up a OpenVPN network where there will be another subnet network. My top network located in site A should be able to locate a subnet inside the OpenVPN tunnel in different location, as ...
1
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1answer
979 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 ...
2
votes
3answers
142 views

OpenVPN client on a windows 7, packets not routed

I have an OpenVPN client on a Windows 7, that connects to an OpenVPN server with tap. The tunnel establishes correctly. AFAIK, tap means that my virtual adapter is 'virtually' connected to the remote ...
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1answer
29 views

As OpenVPN client, do all my internet traffic goes to the server?

This is a simple question. On OpenVPN's site, I can read: By default, when an OpenVPN client is active, only network traffic to and from the OpenVPN server site will pass over the VPN. General web ...
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2answers
1k 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 ...
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1answer
41 views

OpenVPN tunnel suddenly stopped working

I have OpenVPN tunnel established. It suddenly stopped to push data through it. Connection establishes normally, but i don't have ping from either side (second client works fine). I've checked ...
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2answers
62 views

Networking VPN expert out there? Should Remote VPN “Client” be pingable/reachable FROM the VPN server?

I've setup VPN connections with different servers today and all worked, in one direction, from VPN client TO VPN SERVER. BUT I could NOT whatever I tried access ports/services on my 'connected' VPN ...
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1answer
6k 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 ...
1
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1answer
19 views

Using two openvpn clients to expose services of a server

I am currently attempting to use two openvpn clients to expose services of a server, as is already said in the title. I may be playing with powers far beyond my current comprehension, but please bear ...
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2answers
524 views

OpenVPN restriction

Ive set up an OpenVPN server at my place and handed out a certificate to a client who has an openvpn client at his place. I need require that he should be able to connect to the vpn server only from ...
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1answer
1k 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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1answer
2k 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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2answers
4k 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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0answers
16 views

Openvpn stops responding [migrated]

I've been trying to set up openvpn with a vps and raspberry pi. The raspi is natted while the vps is public. I've tried connecting to the openvpn from mint laptop as well, but it's no use: Server ...
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5answers
4k 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 ...
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0answers
9 views

How do you properly setup OpenVPN Server on mac? And how do you setup the certificates?

I have been searching for hours now, and I still cannot seem to find a proper tutorial on OpenVPN on mac. I did see the HOWTO, though that doesn't seem to be enough. The worst part is the one with ...
3
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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 ...
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1answer
19 views

Troubleshooting poor point to point (over internet) bandwidth between two machines

My problem started out as poor bandwidth between a 64 bit Win 7 Home OpenVPN server in location A (Northern Europe) and a Win 7 or Linux Client in location B (Southern Europe). Location A has FTTC ...
2
votes
1answer
1k views

OpenVPN connects but gets invalid IP on Tap Device

I have a WinXP SP2 box trying to connect on a OpenVPN server and getting the following errors: Tue May 14 11:29:52 2013 Notified TAP-Windows driver to set a DHCP IP/netmask of ...
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0answers
12 views

OpenVPN between a pfSense and a Windows client, with tap

I'm trying to implement the simplest possible OpenVPN between a pfSense and a Windows 7 client. I would like to use tap configuration, because my pfSense is not the gateway of the remote network. So ...
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2answers
39 views

Accessing lab subnet from outside of corporate network via openVPN/Anyconnect

I have a lab subnet(10.10.25.1 from outside and its inside has 172.16.2.0/24) in the corporate network that's accessible via openVPN while people are in the office. (Their openVPN client would connect ...
4
votes
2answers
122 views

stunnel vpn traffic and ensure it looks like SSL traffic on port 443

I am trying to make my outgoing and incoming traffic look as legitimate as close to SSL traffic as possible. Is there a way to DPI my own traffic to ensure it looks like SSL traffic and not OpenVPN ...
0
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0answers
42 views

How to deploy single OpenVPN server instance with multiple unique “--config server*.conf” profiles?

How to deploy Single OpenVPN server instance with Multiple unique --config server*.conf profiles as service start|restart parameter ? Would you please share any tips to run one single Openvpn server ...
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2answers
310 views

How can multiple clients of an openvpn server find each other?

I am bringing up an openvpn server that will support multiple clients into a private subnet. So on the private subnet the clients connecting will get IP addresses such as 10.8.0.10, 10.8.0.11, etc. ...
43
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7answers
62k 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. ...
0
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0answers
16 views

Openvpn doesn't log user disconnect event

I am running CentOs 6.5 and OpenVPN server 2.3.6. The task is to log info about VPN sessions: who logged in, when, from what ip, when disconnected. I have already done some part of the task. But how ...
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1answer
9k views

OpenVPN connected but not internet access on the client

I've setup OpenVPN following this tutorial, and everything works fine except that I don't have an internet connection on the client while connected to VPN. ...
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2answers
1k views

NFS Over OpenVPN: Top Performance Boosters

I have two VPS's - One is running 2008 Server R2 and the other is a Ubuntu 12.04 installation. I am using the Windows VPS for RD sessions for Quickbooks and a couple other apps and using the Ubuntu ...
3
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1answer
771 views

openvpn tun forwarding with firewalld

I have an OpenVPN server on Fedora 19 with 2 clients - 1 client on the same LAN as the server, and the other on the internet. I want the 2 clients to be able to talk to each other thru the tunnel and, ...
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1answer
66 views

How to create /dev/tun device inside unprivileged LXC container?

This question is similar to No tun device in lxc guest for openvpn . The LXC has evolved and the unprivileged LXC containers were introduced recently that offer another layer of security against ...
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1answer
1k views

How to work around an uncooperative HTTP Proxy?

I am trying to set up a OpenVPN tunnel and I'm getting this error on the server side: Wed Dec 11 13:34:24 2013 us=454625 WARNING: Bad encapsulated packet length from peer (18245), which must be > ...