Questions tagged [openvpn]

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 - Unable to route traffic through multiple exit Interface

Good evening I have an OpenVPN Server with 3 Wan IP addresses. For instance: eth0 -- 1.1.1.1 eth0:0 -- 2.2.2.2 eth0:1 -- 3.3.3.3 On client OVPN, I have set remote IP 2.2.2.2. On OpenVPN server, I ...
4 votes
4 answers
3k views

Bypass VPN for HTTP/HTTPS traffic on Ubuntu?

I have an Ubuntu 14.04 machine that all it's outgoing traffic is through a VPN, and I'm required to make sure that HTTP and HTTPS traffic don't go through the VPN.I've looked into static routing but ...
0 votes
2 answers
805 views

How to make 192.168.2.* accessible from 192.168.0.* ? (VPN)

Goal: Make 192.168.2.* Accessible from 192.168.0.* Situation: I have a remote site (Network B) with an OpenVPN server built into the router. On my end I have a network (Network A) with a VPN client ...
2 votes
2 answers
7k views

OpenVPN and client-connect scripts

I have an OpenVPN server (2.3.2) on Debian Wheezy operating in bridged mode. Everything's working fine in terms of the client connecting and getting access to the network(s) it needs. Im trying to add ...
0 votes
1 answer
483 views

ping vpn client from openvpn server hosted on AWS

I am very new to vpn and aws. I set up an openvpn instance from AWS marketplace and launch as default. I generated my client.ovpn files and successfully connected to my aws openvpn server. From my ...
3 votes
2 answers
2k views

OpenVPN on Debian is rejecting connections and systemd just runs /bin/true?

I'm extremely confused by this, and it seems completely wrong but I have no idea how so I'll start from the beginning. I configured openvpn on my Debian server using this guide. After I copied the ...
0 votes
0 answers
266 views

cannot route local traffic through openvpn on linux

I have set up an openvpn server on my remote machine. It works, I can connect with both android client and linux (opensuse) client. the problem is that on android I can access the remote local ...
1 vote
0 answers
122 views

OpenVPN connection is not working from within Office LAN

Apologies in advance as this is an "abstract" question without a definite black/white answer and I know those don't bode well on this site. Hear me out though as I'll try to add as much details and ...
0 votes
0 answers
72 views

OpenVPN LAN routing

I have a remote machine hosting both an OpenVPN server and an HTTP/S server, but when an OpenVPN client is connected and sends requests to the HTTP/S server (the public IP of the remote machine), it ...
0 votes
1 answer
3k views

Why is this MASQUERADE rule necessary?

I currently have a VPN site-to-site setup where a Centos7 Server is set up as a VPN client to the tunnel at a remote site. The tunnel is established fine and I am trying to access resources at the ...
0 votes
1 answer
4k views

Forward all ports on one IP-address (OpenVPN) to another (local) on Linux

I have an OpenVPN server installed on 192.168.0.3 as 10.10.10.1. I can connect from the Internet to my OpenVPN server, the connection is created. Now I have a server on the LAN with IP-address 192....
14 votes
2 answers
20k views

Is there any solution to make OpenVPN authentication with Google ID?

Or, maybe any oauth? All I could find - is 2factor authentication with google. But I'd like to use Google Apps base for OpenVPN auth. I believe that it is possible to make something like gitlab. ...
0 votes
0 answers
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OpenVPN handshake fail after Debian upgrade

I upgraded my Debian server from 7 to 9 few days ago and, since then, I can't connect to my openvpn anymore. I tried to remove & purge openvpn and reinstall it with https://github.com/Nyr/openvpn-...
0 votes
1 answer
541 views

Remote Server Name unreachable on client

I apologize if this was hashed out before but maybe my situation is different. Please bear with me. I have a 2016 Server box with OpenVPN server (Community edition) installed. This server can be ...
0 votes
2 answers
4k views

How to create a VPN that maps users into VLANs each?

I want to setup a VPN server that puts each user into a different VLAN. I've got a network with about 200 users in which each user is in a separate VLAN with his own /27-IPv4 network. Which user ...
6 votes
1 answer
3k views

OpenVPN Access Server - How Do You Route All Client Traffic Through The VPN?

I currently have an EC2 server with OpenVPN installed that I spun up using the official OpenVPN Access Server AMI. I went through the OpenVPN setup process with all default values selected and I've ...
28 votes
3 answers
84k views

OpenVPN client-to-client

When using a TUN (layer 3) OpenVPN server with client-to-client disabled, my clients can still talk to each other. The client-to-client config should prevent this according to the documentation: ...
0 votes
1 answer
922 views

OpenVPN Client WebUI fail after installing OpenVPN AS

I just installed OpenVPN on ubuntu 16.04. After installing, I can access the Admin WebUI and login with user openvpn. None of the Client login works.I just get the message "Login failed". In the Log ...
-2 votes
1 answer
42 views

How does openvpn client get data on the wire if physicall interface is blocked by firewall?

Reading about Tun/Tap from kernel documentation https://www.kernel.org/doc/Documentation/networking/tuntap.txt it is clear that this interface is not backed by hardware. If I setup iptables firewall ...
3 votes
0 answers
2k views

OpenVPN with authentication but without encryption does not work with multiple clients

I'm trying to set up a system in Linux where OpenVPN tunnels are authenticated but the actual traffic is not encrypted. With one server and one client everything is working fine. Here are the relevant ...
-2 votes
1 answer
60 views

VPN into company office to view website [closed]

I'm trying to move my morning remote office to a coffee shop. The website we are working on at the moment requires my IP address be added in the apache configurations. I know we have VPN (which ive ...
0 votes
2 answers
1k views

Tomato to OpenVPN Server on Ubuntu Server

I use OpenVPN on Ubuntu Server as VPN Server, and Viscosity successfully working with this client configuration: xxx.no-ip.org remote udp 1194 dev tun tls-client ca ca.crt cert cert.crt key key.key ...
2 votes
0 answers
224 views

Does the AWS Client VPN service support two-way traffic?

I have successfully set up the AWS Client VPN service in my account. In a single VPC I have created a subnet to host my EC2 instances (10.10.0.0/20) whilst the Client VPN is on a 10.25.0.0/20 subnet. ...
0 votes
1 answer
544 views

OpenVPN AS can not ping client's private subnet

The setup I am trying is as follows: Device A (PLC, static IP=10.10.10.11) | | eth0 connection | Device B (raspberry B 3, Jessie) VPN IP. 10.8.0.160 | ...
1 vote
1 answer
4k 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 [CMD-...
0 votes
3 answers
6k views

OpenVPN used to work, now can't ping 10.8.0.1

Please help! I had OpenVPN configured and working on a server 2012 with windows clients. After a restart I can't ping 10.8.0.1 anymore - neither on client nor server. It's unlikely that config's ...
8 votes
5 answers
67k views

Windows 10 OpenVPN Client connects but can't access anything

I have OpenVPN server running on a Windows 2012 server. It works perfectly and from my iPhone and iPad I can connect to the VPN, all my web traffic routes over the VPN and I can use the iOS Remote ...
0 votes
1 answer
52 views

What sort of issues would I face running large numbers (hundreds, perhaps thousands) of openvpn networks on one machine?

If, for example, one server wanted to create a separate VPN for every user on the system, that included all of their servers. There would be no internet routing, just separate VPNs between (user A and ...
1 vote
0 answers
399 views

OpenVPN fails to reconnect when network adapter reconnects to WiFi

I'm using pivpn to set up a VPN between my computer and an AWS instance. This is the autogenerated configuration file for the server (I've only changed the values of keepalive). dev tun proto udp ...
0 votes
1 answer
2k views

OpenVPN over stunnel not working when forwarded through router but working internally [closed]

I'm trying to set up OpenVPN over stunnel on my personal server. openvpn is in tcp and connects fine outside of stunnel, even when connecting through a port forward on the router. OpenVPN wrapped ...
1 vote
1 answer
4k views

Linux + OpenVPN; bridge interface not responding to ARP

I am trying to set up an OpenVPN connection with a Layer2 ethernet bridge to bridge two LANs. ARP responses do not seem to being generated correctly... Please note I want to create a full Layer2 ...
0 votes
0 answers
836 views

VPN Trough Reverse SSH

Diagram I have: Client behind a nat VPS(AWS) OpenVPN server installed in a different nat I want to connect from my client to the OpenVPNServer trough the VPS. I have been able to create a reverse ...
0 votes
0 answers
5k views

OpenVPN Disable TLS

Since a week I'm trying to launch an "OpenVPN Access Server" on Ubuntu 18.04 but after very long study and iteration I found out my ISP is blocking TLS packets regardless of the port I use. This ...
0 votes
1 answer
170 views

OpenVPN server running on a cloud VM cannot ping to a connected client; but client can ping the server

So I am trying to set up an OpenVPN server on a Cloud Virtual Machine running CentOS 7. The client (Windows) can connect to the OpenVPN server, I can ping the server from the client, but the server ...
4 votes
1 answer
4k views

Where can I find details on selinux Booleans

I'm running an openvpn server and I want to use SELinux. When it's activated I see a few "denied" events in the logs. I've used audit2allow to create a '.te' file. My question is about these lines ...
1 vote
1 answer
7k views

OpenVPN TLS Error: TLS key negotiation failed

I have two servers with exact same config. One of them works fine but the other gives TLS error! None of the solutions mentioned in other threads worked... Server Ubuntu 16.04 OpenVPN 2.3.10 x86_64-...
1 vote
1 answer
23k views

OpenVPN client requests 255.255.255.252 subnet, server refuses anything below /29

I've setup an OpenVPN server with the following network settings: topology subnet server 192.168.123.0 255.255.255.0 push "dhcp-option DNS 192.168.123.1" # DNS to server VPN IP push "route 192....
0 votes
1 answer
2k views

OpenVPN connection resetting

OpenVPN running on Raspbian (Raspberry Pi Debian, Wheezy). Relatively stock, didn't do anything other than install OpenVPN, and generated some keys. Server config: local 192.168.1.175 port 1194 ...
0 votes
0 answers
777 views

openvpn ip pool exhausted

We have setup 3 OpenVPN servers (v2.4) in 3 different physical machines. They are all part of the same network. When a client (v2.3) is connected we want him to go on either one of the VPN servers ...
1 vote
1 answer
862 views

routing bridge traffic to VPN tunnel (AWS Client VPN Endpoint)

I have bridge created between eth0 & wlan0. Following is ifconfig root@ubuntu:~ $ ifconfig br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.24.11.15 netmask 255....
0 votes
1 answer
2k views

OpenVpn Run as a service not working

I've setup OpenVpn (2.4.7) on a server(Windows server 2012) with automatically start service,OpenVpn interactive service:AUTOMATIC Client connection works, but If system is restarted on server (...
1 vote
0 answers
57 views

Rredirect Internet traffic to VPN Server (all traffic)

I have seen working solutions around the issue of forcing Internet traffic to go through the OpenVPN server but they are all done in Linux, all I want to know is how to add an entry to the route table ...
0 votes
1 answer
3k views

Tunnelblick TLS error: The server has no TLS ciphersuites in common with the client

I'm trying to set up an openVPN server and connect to it with Tunnelblick. My OpenVPN version is 2.4.3. and I'm using EastRSA-3.0.1. My certificates are using elliptical curve secp521v1. openvpn log ...
0 votes
2 answers
4k views

Iptables + NAT and port forward loop with one network interface

I am setting an OpenVPN Access Server behind my NAT server in AWS. Currently, my NAT server has one network interface and I am trying to forward some ports to OpenVPN Access Server. Port forwarding ...
0 votes
1 answer
67 views

OpenVPN all trafic through but no access to remote LAN

Goal: be able to route all the trafic through the OpenVPN server and being able to communicate with the remote DNS (127.128.129.130) and the remote LAN (12x.x.x.x) I have added to the OpenVPN client ...
0 votes
1 answer
2k views

How can I add (not replace!) a default route upon OpenVPN connection?

When I run sudo openvpn foo.conf I do not yet have a default gateway defined. Once the connection is established, I run sudo ip route add default via X.X.X.X, where X.X.X.X is the local IP of the ...
0 votes
1 answer
6k views

openvpn profile for connecting to palo alto

I'm trying to make an openvpn profile to connect to palo alto vpn. I know they have globalprotect for client side to connect, but it requires license. Plus, it is my understanding that openvpn ...
2 votes
0 answers
213 views

Routing traffic through a host connected to the VPN gateway

I have a VPN set up where multiple subnets are used. I have three VPN services, let's say A - 192.168.1.0/24, B - 192.168.2.0/24 and C - 192.168.3.0/24. I would like to have specific traffic from a ...
0 votes
0 answers
827 views

OpenVPN server unable to ping network behind client VPN, Clients can ping server network fine

My OpenVPN Network <-- See image of my network What i want to achieve is for the server to gain access to all clients including any client which is connected to the clients modem, and that all ...
3 votes
1 answer
11k views

How to fix "Profile import error" when importing an OpenVPN profile on OSX?

I've setup a new OpenVPN account on the server. Login through the web interface works. OpenVPN client for OSX has been successfully downloaded and installed. User profile has been downloaded to ...

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