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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3
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1answer
2k views

OpenVPN and TomatoVPN

Wondering if someone can help me with the following. I have updated my Linksys router with TomatoVPN and used the following config: Interface Type:TAP Protocol:UDP Port:1195 Firewall Custom ...
2
votes
1answer
900 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 ...
1
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0answers
22 views

OpenVPN site to site VPN tunnel with Windows Server 2012 R2

This is my clients setup: Site A Site B 192.168.2.0/24 192.168.0.0/24 Client A1 --|-- Server A Server ...
1
vote
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 ...
3
votes
2answers
440 views

OpenVPN: How to mitigate path MTU issues on a per-client basis?

We have dozens of embedded devices installed at customers, all calling home to our OpenVPN service. That works fine in general, but a few of our customers have severe path MTU issues. Our influence on ...
0
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0answers
26 views

OpenVPN: unable to reach clients over IPv6

Current setup: OpenVPN server with IPv4 and IPv6: [...] port 1234 proto udp6 dev tun server 10.9.8.0 255.255.255.0 server-ipv6 2001:1af8:3100:a00a:0021:a:b:0000/112 client-to-client [...] Clients ...
9
votes
1answer
163 views

SSH tunneling is faster than OpenVPN, could it be?

Logically, VPN should be faster than SSH for tunneling, because: It's running on UDP and not TCP (so no TCP over TCP) It has compression However, today I tested Redis replication over both ...
39
votes
6answers
54k 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. ...
1
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2answers
35 views

Use OpenVPN tun device for specific request

I have setup an OpenVPN connection with the route-nopull configuration. So now no special routes have been added to the client's configuration and only a TUN device is created, like so: tun0 ...
0
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0answers
23 views

OpenVPN server cannot ping client (routing/iptables issue?)

I am not sure exactly where the issue is here. I'm fairly sure that this is some NAT or iptables issue on the OpenVPN server but am lacking the networking know-how to fix the issue. The crux of the ...
1
vote
1answer
20 views

Openvpn failover setup - Routing to clients with static ips

I have a setup with an openvpn server and many clients connected to it. All those clients have fixed ip addresses, derived from their certificate name. Behind the openvpn server, I have a management ...
0
votes
1answer
17 views

Setup openvpn as interface device only

I just setup OpenVPN client using this guide on The Geek Stuff But now (somewhat as expected) all my traffic is routed through the VPN. I actually just want to set up the interface device. Does ...
0
votes
0answers
8 views

Access OSX Server from Internet While OpenVPN Is Active [migrated]

I have a OSX box sitting at home that I am using as a server. I have set up OpenVPN using an app called Viscosity (just a GUI for OpenVPN) and have configured it to route local network (192.168.1.0, ...
5
votes
4answers
2k 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 ...
1
vote
0answers
33 views

openvpn rdp networking mystery : can connect HTTP cannot RDP, even with firewall off

I have 2 small networks joined using OpenVpn (routed configuration), lets call them A and B. on A, I have a test web server (IIS, Windows 2008R2 or Windows 2012 depending on test machine), lets call ...
3
votes
6answers
15k views

how to auto start openvpn (client) on ubuntu 12.04 cli?

I have an *.ovpn file that works if I type in sudo openvpn client.ovpn Now I would like to start up openvpn when I boot the computer. It's a headless version of ubuntu - if that matters - 12.04 ...
1
vote
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
votes
2answers
861 views

Cisco VPN client - how to automate vpn process

I use Cisco vpn client to connect some customer Vpnclient.exe required answer about the question “Do you wish to continue” (yes / no ) Is it possible to run the vpnclient.exe without question ? ...
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votes
1answer
12 views

openvpn forward internet client to client

I know the directive push "redirect-gateway def1" can be used to forward the traffic of a vpn server to the client. My question is, can vpn be used to share the internet between two clients ...
1
vote
1answer
940 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 ...
1
vote
0answers
43 views

Cannot make TCP Connection with OpenVPN Server

Client OpenVPN assigned IP: 10.8.0.2 ↓ TCP on 1194 Internet ↓ Router port-forwards 1194 to server- Public IP 104.162.67.198 ↓ Server LAN IP: 10.8.0.1 I think the above is what I am trying ...
0
votes
2answers
3k 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 ...
1
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0answers
28 views

OpenVPN - Route and iptables configuration

simplified network diagram: Certs and keys already created OK. The 'straight' line between client and server is just to indicate a tunnel. Obviously, it goes through the firewall. Client is windows ...
0
votes
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 ...
0
votes
3answers
919 views

generating client.ovpn file on android

I am developing a open source application wrapper over OpenVPN library for Android. For that I need to generate openvpn conf file. I have followed OpenVPN how but did not understand how to generate ...
1
vote
1answer
26 views

Openvpn ip conflicts

I have a device which connects to my vpn, that i plan to distribute to third parties. my vpn ipset network is 10.8.0.0 i am also pushing 'route 10.7.0.0' Please excuse the config above. My ...
0
votes
0answers
19 views

OpenVPN No ping to one client's network (with client-to-client)

I have problem with my OpenVPN network through the internet: Client1 (XP) >>> Server (7) <<< Client (7) 192.168.71.90(test)|192.168.80.31 |192.168.80.21 (test) ...
2
votes
1answer
33 views

OpenVPN with mixed ipv4 and ipv6 clients

I have a VPN server handling various clients; some with ipv4 only, some with ipv4 and ipv6, and some that will be ipv6 only. Some of these clients are roaming, so ideally they should connect to ipv6 ...
0
votes
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 ...
0
votes
0answers
20 views

openVPN on another IP

I had a working OpenVPN on my server, and it was working fine, redirecting traffic to the/from the internet, but when i have found that the traffic to the services on this server not routing through ...
4
votes
1answer
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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0answers
16 views

Pfsense Openpvn and Vmware issue

Here is my network: Client --- WAN --- PfSense(VMWare) --- LAN --- vSwitch (Promiscuous) \--- ESXi Management (192.168.2.1) ...
1
vote
1answer
204 views

pfSense OpenVPN from specific IPs and Anywhere

I have 4 Openvpn users, but i would like to restrict the 3 of them to allow connect through the VPN only from specific IPs and the 4th from anywhere. Anyone knows how can i do that? I thought about a ...
0
votes
2answers
1k views

OpenVPN Segmentation Fault

I have a server running CentOS 5.7 and I'm trying to get OpenVPN 2.2.0 to work. To start off, I had this working for quite a while now, but decided to try and make it highly available by using ...
2
votes
2answers
67 views

Prevent SSH connection lost after logging into VPN on server machine

I encountered an issue that I can't deal with. When I'm logged onto an VPS over SSH and try to estabilish VPN connection on that VPS, the SSH connection between VPS and my machine get lost. I assume ...
0
votes
2answers
24 views

OpenVPN Tunnel between two LANs, traffic dropped on the way?

I'd like to create a OpenVPN Tunnel between to LANs 192.168.1.0/24 and 192.168.2.0/24. However somehow packets entering the tunnel on one side don't come out of the other side ... The following ...
0
votes
1answer
28 views

What is the difference between those two IP addresses

I am trying to install OpenVPN server on a CentOS machine, the sample configuration files don't make that much sense. Specifically it's server.conf that I find difficult to understand What is the ...
0
votes
1answer
11 views

Client not routing through CentOS7 OpenVPN

I recently setup a server on digitalocean, i setup the vpn server key etc and i can connect with my client, the problem is that if i connect and i google for my public ip adress that i don't get the ...
1
vote
0answers
65 views

OpenVPN ignoring openvpn.conf, throws unrecognized or missing option

I set up openVPN on Debian, but can't start the service. [FAIL] Starting virtual private network daemon: openvpn failed! Syslog says Options error: Unrecognized option or missing parameter(s) in ...
-1
votes
1answer
11 views

OpenVPN Connect for ios can't parse my .ovpn file

For a user who wants to use my OpenVPN server on a mobile device, I have created a .ovpn file with embedded/bundled keys and certificates. But when I try to import it in the iOS client, I get this ...
0
votes
1answer
183 views

openvpn connection has established but cant ping the server

I have a openvz vps and setup a openvpn server, and I successfully connect to the server in my ubuntu 14.10 client. server.conf: port 1199 proto udp dev tun ca ca.crt cert server.crt key server.key ...
0
votes
1answer
35 views

Can't get “redirect-gateway” to work correctly with this OpenVPN network and the internet

I have the following network layout: Everything in blue is a VPN client (except the obvious server) The my client side (which is the top side where it says "My Site"), If I include include ...
1
vote
1answer
28 views

Two openvpn servers on the same machine, route traffic between the two subnets

I have two openvpn servers ( one on tcp, one on udp) running on the same machine - an OPENVZ vps. The first network A uses 10.10.0.0/24 and it is designed as an intranet. The second network B uses ...
2
votes
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 ...
2
votes
2answers
615 views

OpenVPN connect on startup

I'm using OpenVPN on Ubuntu 12.04 LTS. I've set up OpenVPN to connect to my vpn service. It works great. Now, I need it to connect automatically. I can run from a terminal nmcli con up uuid ...
0
votes
1answer
60 views

OpenVPN not default gateway for all traffic

I'm trying to make my client forward all traffic through a VPS running OpenVPN. As you can see, it will allow pings to both domains and raw IP addresses, but it will not allow traffic like that made ...
0
votes
5answers
3k 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. ...
0
votes
1answer
78 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 ...
0
votes
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 ...
0
votes
2answers
1k views

OpenVPN client as gateway for other clients

I have OpenVPN network with one server and two clients. When I setup my default route on C1 to go through S (which does have ip forwarding and NATing enabled), everything works as expected. The ...