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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166 views

Seeing Who is Logged into LibreSwan VPN

We recently setup a LibreSwan VPN and for the most part it is working great. One thing we are having some trouble with is trying to see who is currently logged in. I found a solution for seeing ...
4
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1answer
417 views

openvpn TLS handshake fails on client because firewall drops packets (but why?)

I seem to have problem with my openvpn server - client connection. now, the important information is in the log (verb3) of my client: Mon Mar 30 17:09:59 2015 OpenVPN 2.2.2 x86_64-slackware-linux-...
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1answer
176 views

OpenVPN options for internal instance name resolver on GCE

What option should be set under OpenVPN for config across Google Compute Engine to allow connected client to resolve/ping by instance name and resolve to its ip same way as it can be done when on any ...
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1answer
311 views

Quagga, OSPF, announcing inactive tunnel

I have a 3 node network with OSPF Quagga running on each of them. Each node connected with p2p, OpenVPN: http://vetal.ca/Download/img/Network_loop.png (Will embed picture here when have reputation > ...
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0answers
143 views

What is the best way to configure an iDRAC/dell server in a public data center such that the idrac doesn't have to be exposed public facing

I have a server right now in a data center behind an OpenVPN using the client on the box to connect to the vpn server. I'm going to install the iDRAC and want to know how to best configure the ...
2
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1answer
642 views

Amazon EC2: OpenVPN server won't route bridged packets from client to VPC subnet

I have a bridged OpenVPN setup on a Linux server in an Amazon EC2 VPC. (Spent hours on docs, reading similar problems, here, openVPN forums, no luck yet.) The bridged interface is up and contains ...
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1answer
470 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
492 views

OpenVPN not giving the right ip-address

I have this Openvpn-configuration file generated for my windows 7 pc, when i connect to the openvpn it gives me the message that i'm connected with the vpn, but when i check i still get my old ip-...
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1answer
193 views

ip6tables snat don't work properly [closed]

I got three computers with these names: laptop, vds and home; vds is openvpn server; home is openvpn client. and, I got an ipv6 network 2a01:dead:beef::/64 vds has address 2a01:dead:beef::311 on ...
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1answer
31 views

Howto forward traffic between multiple OpenVPNs

I have an OpenVPN server which hosts two VPN networks, one is bridged and the other one is routed. See the following draft: The VPNs are working quite well while they are used in isolation. But if ...
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179 views

Make lan ip's available to external devices over openvpn [closed]

My goal is to make my home media library available to external devices. External device ====== OpenVPN Server ====== unknown Modem ----- OpenWRT --- lan machines External devices are OpenVPN clients,...
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2answers
2k 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 ...
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1answer
579 views

Apache SSL works but the config shows it's only listening on 80 not 443, how is it possible?

Server: CentOS 6, Apache 2.2 and OpenVPN installed. The httpd.conf has: #Listen 443 Listen 80 Websites work in https so I think OpenVPN might be listening on 443 and forwarding to Apache (port-...
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0answers
133 views

Stop Outbound SYN Scan

Hello I run a VPN company, and recently my host has been sending me these complaints that are likely coming from a user. I am not sure how to identify the user, if I could just do that I wouldn't ...
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2answers
2k views

OpenVPN don't start: --cert fails with 'client.crt': No such file or directory

I have a VPS Server running with openVZ and CentOs 6 and I want to install openVPN on it. I followed this tutorial: https://www.digitalocean.com/community/tutorials/how-to-setup-and-configure-an-...
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1answer
225 views

how to check if openvpn is active

i am runnning multiple openvpn instances each connected to different servers let's assume there are 3 and i am using a simple php script with this command system('openvpn config1'); system('openvpn ...
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2answers
318 views

Issues with connecting to OPENVPN

I am trying to configure Mullvad on openVPN - Debian I have followed their online tutorial - Install OpenVPN and resolvconf (sudo apt-get install openvpn resolvconf) Extract the configuration files ...
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1answer
131 views

What's an inexpensive way to connect 3 sites over VPN, each with dynamic IPs?

I have 3 networks that I would like to connect to each other over VPN (IPSec or OpenVPN). Each site has a single dynamic public IP address and is running NAT. How can I connect each of the sites ...
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1answer
153 views

Open VPN troubleshooting

I'm trying to set up a site-to-site VPN connection between 2 of our offices. The VPN servers i'm using are 2 "Edgerouter lite" and the tunneling software i'm using is OpenVPN. This is how the setup ...
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1answer
113 views

OpenVPN howto discover peer addresses at the server

With an Ubuntu server running OpenVPN 2.2.1 and with server 10.9.0.0 255.255.255.0 in the server.conf, how can I programmatically identify an individual client amongst multiple clients, and the IP ...
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0answers
169 views

Connect AWS and Azure via OpenVPN

I am trying to connect two networks (AWS and Azure) together via OpenVPN. I am aware of other implementations (OpenSwan+Azure GW etc.) but I need maximal portability as I will be expanding this to ...
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1answer
2k views

In OpenVPN, what's the risk of omitting the key-direction when using tls-auth?

In my TLS enabled OpenVPN configuration I would like to use the additional security offered by using tls-auth. The good news is, is that it works as expected. However, I have a question about the ...
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1answer
109 views

How to configure two default routes on Linux?

I'm configuring a routing server with Linux. An Ethernet link (eth0) to internet (fast, but can't access some sites); An OpenVPN link (tun0) to provide internet access to local users; An OpenVPN ...
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1answer
456 views

https and ssh access to OpenVPN from windows

I recently installed OpenVPN on a remote CentOS 7 web server. I am able to connect to it from a local CentOS 7 devbox by typing openvpn --config /path/to/client.ovpn. Once the connection is made, I ...
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1answer
5k views

OpenVPN: Options error: Unrecognized option or missing parameter(s)

I am trying to assign different ip address ranges to two different types of users of OpenVPN. The two user types are administrators and employees. Towards this end, I created certificates and keys ...
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0answers
474 views

OpenVPN - open ports for clients only via iptables

OpenVPN server running on my ubuntu server (tun mode). My problem is that i cannot set some ports be accessible only for VPN clients. I have a dirty solution, but i want better. I have no iptables ...
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1answer
61 views

OpenVPN all subnets the same, send a single client to tun0?

The two networks in question are listed here.. The wlan0 is on 10.0.0.23/24. tun0 (openvpn) is on 10.8.0.6 but is routing traffic to the network 10.0/16. So both wlan0, and perhaps tun0 could have ...
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3answers
189 views

Is it wise to use OpenVPN to connect remote web servers?

I have a number of remote hosted servers for various purposes--web and application servers. I effectively want a "management network" of sorts so I can simplify tasks like log collection and package ...
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1answer
331 views

VSFTP not working over VPN

I've had a FTP service running for some time using vsftp, working with passive mode with no problems. I've recently set up a VPN using openvpn, as far as I know I've configured everything correctly. ...
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1answer
532 views

Restricting access to user groups in OpenVPN

I just used the instructions in this tutorial to install OpenVPN on a CentOS 7 server. I am able to ssh and https into the remote CentOS 7 server through the VPN from a client machine. However, it ...
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1answer
385 views

How to bypass OpenVPN per application

I have a linux machine that routes its whole internet traffic through an openVPN connection. It was explicitly configured to work that way. However, the machine has a few applications that should not ...
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2answers
422 views

Open VPN copying files very slow

This is my first experience with setting up a VPN. I have Open VPN running at my work network on a firewall/router that uses the PFsense admin software. I connected to the VPN from my home network ...
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1answer
932 views

Linux: Bridge two NICs and route traffic through VPN tunnel except specific destinations and ports

I have a Linux PC (Debian Wheezy) with two Ethernet adapters. Adapter eth0 is connected to the Internet (modem/router/DHCP/firewall thingy) and eth1 is connected to an WiFi access point. All other ...
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1answer
148 views

iptables - openvpn can't access port 80

I have a server set up with OpenVPN. While connected to the VPN, all external websites work great, but when I try access a site that is hosted on the same server, it fails to connect. I can ssh into ...
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1answer
498 views

Revoke multiple client certs signed by one CA: only the first one got denied?

OS: Ubuntu 12.04 OpenVPN version: 2.2.1-8 Setup: one CA cert, one server cert, multiple client certs Server config: port 1194 proto udp dev tun keepalive 10 120 comp-lzo user nobody group nogroup ...
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2answers
284 views

OpenVPN server only gives username/password and client requires certificates

We have a eFive OpenVPN server which gives me a CA cert, usernames and passwords for the account. In addition, I have a RUT550 LTE router, from Teltonika, whose OpenVPN client setting allows static ...
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1answer
214 views

Rsyslog refuses to log over OpenVPN

I'm trying to forward rsyslog from a client to a server over a VPN. I have it working across an internet link already (through eth0 to an edge router) but would like it to go through the OpenVPN ...
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0answers
61 views

OpenVPN tunnel not able to support secure connect request

In CentOS 7 host we have installed openvpn package and did create an tunnel using OpenVPN tunneling for eth9 and tap9. Everthing work fine for unsecure connection but when we try to connect to server ...
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2answers
3k views

Connect two networks with OpenVPN

I am trying to connect two networks together via OpenVPN. Gateways can ping each other, however they cannot access other computers on the network they're joining. Logs don't show any errors, and the ...
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2answers
525 views

In an OpenVPN network, Windows clients cannot access the host and other clients

I have set up an OpenVPN network and I'd like to let every client in the network be able to connect to each other, ie. servers 10.8.0.1, 10.8.0.2 and 1.8.0.3 should be able to communicate over VPN and ...
0
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1answer
563 views

OpenVPN client cannot connect to the server

I'm trying to configure VPN between two PCs both running Ubuntu 14.04 x64. I have created and configured OpenVPN server on one of them, OpenVPN daemon is online and I can see tun0 interface in ...
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1answer
171 views

Stretched LAN over OpenVPN

I'm trying to achieve the following but can't find the right information. I have a Windows server box in a datacenter which has only a WAN connection that I want to integrate in an existing LAN at ...
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0answers
906 views

OpenVPN start at boot not working on Ubuntu 14.04

I am trying do configure my Ubuntu 14.04 server, so OpenVPN will start at boot. So far, I am able to start OpenVPN server with the command: service openvpn start After I execute this command, I ...
2
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1answer
2k views

OpenVPN connected but no Internet or LAN

Good evening, I'm facing an issue with my OpenVPN installation. Been at it for 3 days now but still cant figure out what is wrong for the life of me... Basically the issue is that i'm able to ...
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1answer
5k views

OpenVPN Access to LAN behind client (and vice versa)

I have the following setup: -------------------------------- --------------------------------- |Windows server 2012 | |PFsense router | |Running OpenVPN server ...
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121 views

openvpn route only ssh traffic over vpn connection

I have a OpenVPN server and we would like all traffic to go out the end users internet but if they are Developer and they are using SSH to the AWS servers I would like that traffic to go out the VPN ...
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1answer
639 views

How to Setup OpenVPN as Internet-Gateway and Connection between multiple Private networks on Virtualized Server

I am trying to implement the following: Network A (e.g. 192.168.1.0/24) with Router (192.168.1.254) Network B (e.g. 192.168.2.0/24) with Router (192.168.2.254) Online vServer for VPN (e.g. 172.217.2....
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224 views

How to allow single user to use user/pass authentication in openvpn when all others will use private keys?

I've got a Mikrotik Routerboard RB750GL which I bought to configure as an openvpn gateway for lan at the office. Unfortunately I was lured by the openvpn promise, I didn't read to carefully to know, ...
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1answer
348 views

ubuntu route all client eth0 traffic to openvpn on client tun0

OpenVPN client has 2 physical interfaces: eth0 = 192.168.10.14/24 gw 192.168.10.1 eth1 = 192.168.10.17/24 gw 192.168.10.1 tun0 = 172.160.1.6/24 gw 172.16.1.5 Server is external somewhere listening ...
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2answers
3k views

Allowing SSH on a server with an active OpenVPN client

I have a VPS running CentOS 7 that I connect to with SSH. I would like to run an OpenVPN client on the VPS so that internet traffic is routed through the VPN, but still allow me to connect to the ...