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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Pam-Mysql “Can't initialize threads: error 11”

Inside a Debian OpenVZ container, I have 2 OpenVPN servers (udp on port 53 and tcp on port 443). The authentication is based on Pam-Mysql. Inside my OpenVPN conf file I have: [...] plugin ...
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48 views

Problems on using KVM Guest as router

We have two private subnets on different locations BJ and SH. in BJ, subnet is 10.1.0.0/16 in SH, subnet is 10.2.0.0/16 We want them connected, so we build a tunnel through public internet using ...
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86 views

Is it possible to use OpenVPN tap device and have latency less then 100ms?

I've just setup OpenVPN server with the following config: daemon server-bridge push "route 0.0.0.0 255.255.255.255 net_gateway" proto udp port 1194 dev tap21 comp-lzo adaptive keepalive 15 60 verb 3 ...
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2k views

Failing to setup OpenVPN Client (tap) on Ubuntu 14.04 - Viscosity works with same Server

I'm kind of desperate for help here... So I'm trying to setup a Client Machine to make a VPN Connection accessible to my whole local network. When I connect directly from a Computer in the local ...
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1answer
77 views

TCP RST from telnet/ssh daemons when connecting from openvpn

I have LAN_1 and LAN_2 interconnected with an openvpn tunnel terminated ona pair of SOHO routers running busybox. One of the vpn purpose is to allow clients on both LAN_1 and LAN_2, to administer the ...
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2answers
213 views

OpenVPN doesn't start correctly

When I install Open VPN and try to start it, I get this: iptables service not started because of error (SVC_RUN_EXCEPT) I have VPS in OVH. I don´t know if the problem can be tun/tap ppp. I also ...
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1answer
575 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
26 views

OpeVPN log connecting client IPs

I looking for the best solution to log all connecting client's ip to either a text file or a database who logs into my VPN server. Under the IP I mean the public WAN IP on the internet where they are ...
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1answer
173 views

Not able to connect to port different than 22 - OpenVPN

I have OpenVPN network with 5 clients. Computer with Arch Linux which hosts OpenVPN server, It also hosts virtual machine with Computer with CentOS which is also connnected to OpenVPN subnet. ...
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1answer
254 views

Openvpn - stuck on Connecting

I've got a problem with openvpn server... every time when I trying to connect to the VPN , I am getting a window with login and password box, so I typed my login and password (login = Common Name ...
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2answers
279 views

All traffic is passed through OpenVPN although not requested

I have a bash script on a Ubuntu box which searches for the fastest openvpn server, connects, and binds one program to the tun0 interface. Unfortunately, all traffic is being passed through the VPN. ...
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2answers
82 views

OpenVPN - does it need public WAN IP mapping

This is a small sample of my network Topology where I have a WAN Router <-> Switch <-> OpenVPN server. I currently have limited number of public IPs assigned to the office. My question is, can ...
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1answer
211 views

OpenVPN on port 53

I have an OpenVPN server setup on UDP port 53 on a public IP. All the connecting clients gets pushed external DNS servers such as 8.8.8.8 (Google) and OpenDNS. Sometimes the resolution stops working ...
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1answer
4k views

How to configure OpenVPN server to use custom default gateway?

I have a vpn server at address 10.1.0.2 and the server have another ip in it's network -- 10.0.0.2 in his subnet (it's a tun2socks router). But default server's gateway is NOT 10.0.0.2 (and it's ok) ...
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63 views

Renaming an OpenVPN server - how to keep from losing all clients?

I have been instructed to change the domain name on a bank of servers. One of these is for OpenVPN and I'm wondering how best to do this without cutting off all the clients. Each client is also ...
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109 views

OpenVPN - pushing script to client upon connect

Is it possible to have an OpenVPN server push scripts out to clients upon tunnel establishment? I need to set up specific iptables rules on my Linux clients and would like to be able to deploy the ...
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87 views

Do I need two interfaces on the server for bridged OpenVPN setup?

I have not seen this clearly explained in tutorials, although some tutorials/guides seem to assume for one interface. I have a machine that is connected to local network with a single interface. ...
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2answers
2k views

OpenVPN tun routing (can ping tun interfaces) with mikrotik and NAT on both ends

Problem The Mikrotik site is unable to ping anything on the server site. The Server site is less important right now. OpenVPN Server config is on LINUX port 1194 proto tcp dev tun ca ca.crt cert ...
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1answer
4k views

How do I route all traffic from clients connected to the DD-WRT to its OpenVPN tunnel tun0?

I am setting a secondary (DD-WRT) router to act as a OpenVPN client so that all clients would get VPN access simply by connecting to the router. But seems clients traffic is always routed via the main ...
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1answer
277 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. ...
3
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0answers
936 views

OpenVPN certificate OR plugin-auth-pam authentication

Configuring OpenVPN server, I can enable either certificate-based authentication or username/password authentication using openvpn-plugin-auth-pam plugin, but not both at the same time. I enable ...
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428 views

OpenVPN is not connecting over UDP

OpenVPN works fine over TCP port 443 but fails to connect over UDP port 53. I've checked firewalls. Initial handshake works fine but then client hangs in WAIT state. VPN server is Ubuntu and client is ...
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209 views

how to limit multiple login in softether vpn server for openvpn clients?

I have a softether vpn server.for all account of a group, I want to limit multiple login to 1 user per account. I have set the group's security policy like this : "maximum number of multiple logins = ...
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62 views

OpenVPN server stops responding

I've setup an OpenVPN server at Google Compute Engine. The client connection initiates fine. I'm able to fetch websites with: curl --interface tun0 google.com However, when I open the same site in ...
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1answer
141 views

How to block access to OpenVPN server services?

First of all, I'm a total noob with VPNs. I only managed to install OpenVPN by following a tutorial. The clients can see each other and everything seems to be working without a hitch. However, the ...
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1answer
143 views

How to route traffic through OpenVPN for the server only

I have a number of services running on my server to which I want to restrict access to only those connecting through OpenVPN. I did manage to get routing to work to a second IP I added to the ...
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1answer
169 views

Forwarding DHCPOFFER through bridged OpenVPN

Setup: host <---> OpenVPN-client with DHCP-helper <---> OpenVPN-server <---> DHCP-Server Except "host" everything is setup with static IP's and routing works fine. All stations can ping ...
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1answer
32 views

Change OpenVPN client, can I use the same server configurations using scp? [closed]

I want to change my old FC 4 client to new Fedora 19 client, but I need to use all the same files on openvpn and IP address. Can I use SCP command for copy all this configurations?
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1answer
2k views

Assign static IPs to tap clients in pfSense's OpenVPN server

I am trying to set up a pfSense server with OpenVPN. The OpenVPN will use the tap interface, tun clients are no option for us. The LAN network is 10.0.0.0/24, the pfSense machine is 10.0.0.10 and ...
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1answer
1k views

How to set OpenVPN client bind address?

The OpenVPN client machine has two interfaces to Internet: a low-speed and high-speed one. Default route goes throught the low-speed one. I'd like OpenVPN to connect to server through the high-speed ...
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357 views

OpenVPN client routing on TomatoUSB router (gw IP instead of dev interface)

I connect to my openvpn server over Linux (Debian), iOS, Android - everything is ok. But over router (as client) with TomatoUSB firmware it's a problem with routing. I connect to my ISP over L2TP ...
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3answers
2k views

How can I achieve OpenVPN client routing without NAT on Linode

I've set up an OpenVPN network, and it is working properly in the sense that I can access the inner/LAN machines from the remote client. However, my problem is that all traffic from the remote ...
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64 views

OpenVPN identical subnets for client & server

I have an OpenVPN server (Ubuntu 14.04 routed mode) on a local network with a subnet of 192.168.0.0/24. The subnet it uses is obviously a very common subnet. My problem When a client is out and ...
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1answer
6k 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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1answer
112 views

openvpn 's netmask and client-to-client mode

I had set openvpn 's config as route 10.8.0.0 255.255.255.0 push "route 10.8.0.0 255.255.255.0" client-to-client and set ccd/username as iroute 10.8.0.0 255.255.255.0 BUT, the client's netmask ...
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1answer
77 views

Questions about OpenVPN

So, I have an OpenVPN server on Windows Server 2008. Here are the settings (sorry, it's Russian, but I think it's understandable) http://imgur.com/824zYNa http://imgur.com/pP2m22w It is a VPS, so I ...
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1answer
255 views

Split tunneling through two VPNs simeltaneously

I want to run two OpenVPN client instances on an Ubuntu Server 14.04. I have both .conf files that can work independently (both are set to different interfaces - tun0 and tun1). I want to run both at ...
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[SOLVED ]Openvpn routing for lan to lan through tun

I am trying to setup an OpenVPN tun to connect two lan's The open vpn connection is up and working but there is a problem with my routing or nat or something. What I need is an example of what a ...
2
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1answer
194 views

Redirect all traffic sent to an unallocated alias IP within a VPN subnet, to a fixed IP within another VPN

I have a server hosting multiple bridged (i.e. tap) VPNs using openvpn, where each VPN has a different 10.8.X.0/24 subnet. I wish to redirect traffic sent to a specific, unallocated IP address (e.g. ...
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1answer
195 views

Unable to get OpenVPN working on Ubuntu on an OpenVZ VPS

I have TUN/TAP enabled server.conf port 1194 proto udp dev tun ca ca.crt cert server.crt key server.key dh dh1024.pem server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt push ...
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73 views

OpenVPN Server & Two Gateways

I have a network setup as follows: Internet <---> Firewall <---> VPN (1) VPN <---> NAT (2) Internet <---> Firewall <---> NAT (3) (I don't have the reputation to post the picture :/) ...
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2answers
201 views

Verify OpenVPN is no longer vulnerable to Heartbleed

As you may know, OpenVPN is vulnerable to the heartbleed attack. However, I can't find any guide online on how to fix it. The only source I've found is this: ...
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2answers
790 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 ...
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63 views

Cisco VPNC + get time out on target machine

I am running VPNC on linux red-hat machine ( version 6.3 ) , And my VPN connection seems to be timing out after 10-20 min . If it goes unused for more than a few minutes, I have to kill VPNC and ...
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75 views

OpenVPN advanced privileged client access customization

I have implemented an OpenVPN server running on Tomato router (Let's call the router TR) the OpenVPN server is using TUN interface which means connections between clients and servers are based on ...
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3answers
3k views

Openvpn client, force DNS server

Our Linux Ubuntu configuration does have a DNS server (Bind 9). And resolv.conf has its nameserver 127.0.0.1 When using openvpn client on that Linux, the nameserver is not changed (by the VPN ...
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3answers
3k 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
205 views

Shrew Soft VPN Client 2.2.1 + how to configure user.c file for checkpoint VPN

I download the latest VPN client - ike-2.2.1-release from: https://www.shrew.net/download/ike. I need to install this VPN on my Linux Red Hat machine – version 6.3. I read that shrew VPN client ...
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1answer
137 views

OpenVPN Connecting Tunnels

I am struggling with a specific OpenVPN scenario for a few months now. Researching on Google, reading on Serverfault, browsing Blogs and other forums, messing with my config time and time again. I am ...
2
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1answer
389 views

Openvpn different subnet with dynamic ip using client-config-dir (cdd)

Good Morning, I need some help for a specific configuration in a server. Let's say I have two kind of people that will connect to my VPN. Pepole from Group A and people from Group B. I need them to ...