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 and gateway on linux

I have home server with Debian installed When I turn on openvpn it creates new interface - tun0 It also adds some routing rules for that interface, including 0.0.0.0/1 via 192.168.101.1 dev tun0, ...
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16 views

vpn session over http or https [on hold]

I can only access http://site.example.com or https://site.example.com (running linux centos behind ddwrt router) the http firewall allows those virtualhostnames to connect to the client (me) but not ...
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1answer
21 views

OpenVPN: restrict a client to certain IP addresses

I have an OpenVPN system with a number of users. I need to restrict some of the users so they can only connect from certain source IP addresses. It's not possible to simply firewall the OpenVPN port ...
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15 views

Set Up OpenVPN with Ldap support on CentOS7

We are trying to set up OpenVPN with ldap support via openvpn-auth-ldap on CentOS7. The EPEL repository is not listing openvpn-auth-ldap anymore for CentOS7. For CentOS6, there was a working relase. ...
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33 views

Ping not reaching in OpenVpn clients to subnet and vice versa

I have a vpn server which is connected to vpn client having ip 10.30.0.x now. I want it to able to ping another private client connected to vpn server. Please note that other private client is private ...
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30 views

Debian Openvpn port closed

Newbie in linux! there is already similar questions are asked here, but the solutions are not working for me. can somebody help me with this issue: I have been installed openvpn server on debian 8.1 ...
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14 views

Am I going to be able to use OpenVPN if there is a routing conflict? [closed]

Looking at my OpenVPN logs I see the following warning: Sat Aug 22 16:54:41 2015 NOTE: your local LAN uses the extremely common subnet address 192.168.0.x or 192.168.1.x. Be aware that this might ...
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35 views

Access OpenVPN Clients

I'm currently having some dificulties configuring my network to a new openvpn connection. I'll try to be clear as possible. This is our network diagram. I have a OpenVPN Server installed on ...
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16 views

Connect to VPN, then to a Socks proxy [closed]

I have a SOCKS5 server in place (where I can't setup a VPN) and a VPN in a VPS that is close to that SOCKS5. Now I would like to connect through the VPN then goes through that SOCKS5 server before ...
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18 views

openvpn port UDP 53 connectivity issue

I need to run openvpn server on port 53. I have a bind server already running on this port. Here are my iptables rules to let my gateway decide to which service it should redirect traffic: # ...
2
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0answers
15 views

Samba server disappears from the browser list after a period of time

I have a Ubuntu server running as a router. On the server I use iptables and DHCP 3.1.3, Samba 3.4.7 and OpenVPN 2.1.0 server. I have problem with Samba server disappears from the VPN client browser ...
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3answers
27 views

OpenVPN: Assign a single URL to an IP

I have a remote server that I am connecting to via OpenVPN. The OpenVPN-Server is configured not to forward ipv4 packages, so the "internet-traffic" does not go through the server. Now I would like ...
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2answers
11 views

is LLDP through routed openvpn possible?

I would like to have LLDP traffic forwarded between client & server. Is it possible to achieve this using routed openVPN configuration? P.S.: LLDP works with bridged openVPN
2
votes
1answer
22 views

Connecting two clients openvpn

I have two clients one connected to vpn server through vpn and another without vpn. I can ping both the clients from my server but I can't do directly using one client to another. I am adding route ...
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2answers
30 views

prevent openvpn client from changing ip of tap device

I have an openvpn server behind a firewall, clients are assigned static IP addresses with specific ifconfig-push directives in the client-config-dir. The problem is that clients can change their ...
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1answer
42 views

Route torrent traffic through VPN interface [closed]

I'm trying to set up my own seedbox with rTorrent and I would like to redirect all torrent traffic through my VPN. I know there is a bunch of QA and HOWTOs on this subject. I've read a lot and came ...
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0answers
27 views

Forward SSH to OpenVPN client via UFW

I have an Ubuntu 14 server that is running OpenVPN gateway and ufw. Let's call it Server A. I have an IP reservation for a permanently connected server (Server B). It always connects to OpenVPN and ...
0
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1answer
32 views

Site - Site VPN using Zentyal (OpenVPN)

I've got some servers in location A which has a Zentyal machine running, lets call it Z1, I then have another Zentyal machine running in my AWS VPC, location B, lets call it Z2. Z1 is connected to Z2 ...
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2answers
37 views

OpenVPN connects to server but no internet connection

i am trying to setup my openvpn server but it doesnt work! Client config: client dev tap ;dev-node MyTap ;proto tcp proto udp remote 5.1.85.206 1194 ;remote-random resolv-retry infinite ...
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2answers
16 views

OpenVPN solution/options for traffic reduction?

I am looking into VPN for the purpose of traffic reduction on the client side. CPU load is secondary. Is lzo good enough to beat the overhead malus? Are there other options to tune compression in ...
0
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1answer
22 views

No internet access when toggling `redirect-gateway` in OpenVPN client config

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a Synology NAS has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
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0answers
20 views

Tunneling VPS Traffic Through VPN

I am trying to tunnel the traffic coming from a VPS through a VPN but it doesn't seem to be working. The current .ovpn file that I am using seems to work fine on my local machine, but when I launch ...
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1answer
21 views

VPN bridge duplicate routes

I'm trying to establish a VPN bridge between 2 embedded computers. VPN gets established correctly, however once tap0 interface gets created on the client's side, it creates a duplicate route: ...
0
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1answer
16 views

Using a VPS as an OpenVPN client

I am trying to tunnel the traffic coming from a VPS through a VPN but it doesn't seem to be working. The current .ovpn file that I am using seems to work just fine on my local machine, but when I ...
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5 views

How to setup an OpenVpn tunnel to IPV4 from a dualstack lite (ipv6 address only) cable modem [migrated]

As of today, I am on a nice and fast new cable modem connection. Unfortunately, that connection is natted to an external shared IPV4 by my ISP. It is only possible to reach my modem via a unique IPV6 ...
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1answer
18 views

Get OpenVPN client IP script

My machine get's an IP from OpenVPN server when connecting to the VPN gateway. This is tun0 on Ubuntu. I assume naming might be different for other systems that may connect to OpenVPN gateway. Is ...
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0answers
5 views

Force virtual machine to only use VPN connection? [migrated]

Here's what I have: Mac OS X 10.10 - running Virtualbox and acting as an OpenVPN client. This works just fine on the VPN and is intended to be my host machine. There is also WiFi connection on this ...
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1answer
84 views

Routing all traffc though OpenVPN on Windows

I have problems with routing ALL windows traffic thorough OpenVPN tunnel and tried to solve this issue for hours. However, most advices about it did not help in my situation. I have OpenVPN ...
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1answer
38 views

QNAP TS-419 QTS 4.1.2 Using OpenVPN to Connect as a VPN Client

I'm following up on a similar user request: QNAP TS-419p as a VPN Gateway? I have a QNAP TS-419 II, with Firmware 4.1.2. I have a VPN service provider than uses OpenVPN to connect to their VPN ...
0
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1answer
25 views

Two-way routing for router and openvpn server subnets

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a synology nas has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
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23 views

OpenVPN version 2.3.8 server on Windows 8 TLS Errors and Issues [closed]

So I've followed the https://community.openvpn.net/openvpn/wiki/Easy_Windows_Guide to the point, but I get a TLS error when I try connecting to the server from my mac as a client. Initial packet from ...
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59 views

OpenVPN Client routing table fault: “route add 181.122.233.210/32 via 0.0.0.0 RTNETLINK answers: No such device”

I am user of openvpn , I have very lowskill with it. My Internet Supplier have a crazy server-network . So I am using pppd program to establish connection to internet , and then I am starting the ...
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1answer
27 views

Multiple instances of Openvpn with different server IP numbers

Is it possible to assign different ip numbers to different openvpn interfaces on server (Like in PPTPD): Server PC i-face-s: tun0: inet 10.8.1.1 peer 10.8.2.1 tun1: inet 10.8.1.2 peer 10.8.2.2 ...
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1answer
33 views

Prevent IP Spoofing on OpenVPN tun

I have a question regarding IP Spoofing and authentication. I have an OpenVPN server in TUN mode with many untrusted clients in the same VPN network, and I was wondering if one client is able to spoof ...
0
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1answer
28 views

OpenVPN internet access

I have my VPS on CentOS7. I just set up Openvpn on the CentOS machine. I can connect to the VPN from my desktop (Ubuntu), but can no longer access internet. What could be wrong? The last few lines ...
0
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1answer
38 views

How to change subnet to login in OpenVPN client.conf?

I have an access to different subnets. How can I modify client.conf to login (or at least able to route) in another subnet? E.g. now I get IP address in 10.132.193.0/24 subnet, but I want to get IP in ...
2
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1answer
103 views

Fix 'TLS Error: TLS handshake failed' on OpenVPN client

I am configuring OpenVPN 2.3.6-1 on my Arch Linux server in order to encrypt SMB traffic over the public Internet. When I test the setup on one of my Linux virtual machine clients, I get the error: ...
0
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1answer
31 views

PFSense / Snort / OpenVPN - one WAN interface

I have a pfsense box running both Snort and OpenVPN. The VPN worked great before installing Snort, now intermittently I cannot connect. Should I whitelist the port that the VPN uses on the WAN ...
0
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1answer
34 views

How to identify and list openvpn connected clients

I need to know, how can I identify an OpenVPN clients, connecting to an OpenVPN gateway with a username, for example? Where would I put it in the connection profile file? Or generate a personal ...
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39 views

OpenVPN redirect-gateway not working on 3G cellular

I have trouble setting up an OpenVPN server on Ubuntu 14.04. I followed this guide from Digital Ocean step by step and it works perfectly for all WiFi devices such as my laptops and desktop either on ...
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14 views

One of VPN clients cannot connect to some remote computers

I am baffled. We have openvpn server and have many clients on 10.128.28.xxx network that are able to connect to all our networks. I installed vpn client on one windows box - for some reason that box ...
0
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1answer
29 views

OpenVPN export ca.crt

I've accidentally regenerated the ca.crt and ca.key of my OPENVPN config, but did not import it into the configuration, so all previously generated keys/certificates are working fine, I just can't ...
2
votes
1answer
56 views

How do I connect to an OpenVPN server and dump the certificate chain presented when connecting?

My first thought was to use something like openssl s_client but this only supports TCP not UDP and it seems there requires some special magic to get TLS over UDP working, how do I interface with that ...
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1answer
24 views

No internet connection via my OpenVPN server (solved)

I have OpenVPN up and running on my server. I want all traffic from my clients to be routed trough the VPN server. The client connects just fine but is unable to connect to the internet. Server ...
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18 views

ebtables arp filtering with openvpn tap interface

I want to prevent arp traffic not destined for the remote side going through a openvpn tunnel so I filter arp requests going to none of my own IPs. Server Setup: /etc/network/interfaces auto br0 ...
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1answer
44 views

/dev/net/tun exists, but OpenVPN is refussing to find it

I'm currently configuring an OpenVPN client on an arm microprocessor running debian squeeze, however I'm running into problems. As the below shows, /dev/net/tun exists: debarm:~# whoami root ...
0
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1answer
90 views

OpenVPN server and client configuration for openwrt

I have an OpenWRT router with WAN(eth1) and LAN(eth0) interface. I wanted to install an openVPN server on this router, so I could access from the WAN side into the LAN side. My LAN(eth0) has a DHCP ...
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0answers
18 views

OpenVPN Access Server low bandwith

I have been running OpenVPN Access Server for over a year on a DigitalOcean droplet. Since a few weeks the connection went downhill. When I perform a speedtest on my computer, I get (using ...
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1answer
11 views

When is domain resolved for openvpn server?

In my setup I have several OpenVPN clients pointing to a vpn server's dns name. let's use vpn1.mydomain.com as an example. The server's public IP pointed to by that domain would be for example ...
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39 views

Assign a public ip to openvpn client

For learning purposes, I'm trying to set up openvpn server, so that each connected client would get a unique public ip address. I have a vps server and I ordered extra 8 static ips and they are ...