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 sets wrong interface to access VPN on windows

I have set up 2 VPN servers, but when applied same config to the second one, ran into many issues. I am using a Windows client(Securepoint), and need to route all traffic thru the VPN. The exactly ...
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1answer
107 views

Two IPs - One OpenVPN instance, impossible?

I have a debian 64bit vps, OpenVZ, with perfectly working openvpn server. I have ADDITIONAL IP which I want to use on that same openvpn server and I can't make it work. It only works if I specify ...
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864 views

Setting up Windows Server 2012 Foundation to route all Internet traffic through an OpenVPN connection using RRAS

First of all I'm not (yet) a fully trained IT professional but just a college student so please forgive me if some of the things I'm about to ask might seem "stupid" because the answers are totally ...
2
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1answer
350 views

OpenVPN bypass on some ports

This is my first question here, so please be kind :-). I have a server running Debian 7 and I would like to connect to a VPN and let all the traffic pass via the VPN except for some ports (SSH, ...
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1answer
114 views

SUSE YaST routes not in kernel route -n

I'm using opensSuSE as a router. eth0 is the WAN nic, eth1 is the LAN nic. I also have a tun10 device, which I'm using with an OpenVPN client connection. I want yast routes to specify what traffic ...
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93 views

Open port and route incoming traffic back to the connected client - OpenVPN

I did my own VPN setup on a CentOS box and it's working very nice and smooth. However I would like to add a feature that I open a specified port on the box for the incoming traffic that should be ...
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64 views

How to configure OpenVPN to access service on server machine?

I am setting up OpenVPN on my server and can successfully connect from my Mac. If I use whatismyip.com it correct reports the IP address on my server. However, I am running a database on this server ...
2
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1answer
422 views

Log into Active Directory Domain over OpenVPN

Is it possible for an OpenVPN client to log into a Windows AD domain on the server end of the tunnel? In my set up, my OpenVPN server is running on a linux box joined to the domain and I'm using the ...
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54 views

virtual NIC, local routing and linux kernel routing table

from this article: http://backreference.org/2010/03/26/tuntap-interface-tutorial/ the author created a tun interface # openvpn --mktun --dev tun2 # ip link set tun2 up # ip addr add 10.0.0.1/24 dev ...
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2answers
442 views

Poor Bonding performance over 2 bonded vpn channels

I have two Linux machines that I wish to connect via a bonded link. One machine has two UMTS modems (DN:5mbit UL:1.2mbit) as its gateways, and the other machine has optical fiber (DL:100Mbit UL: ...
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293 views

IPv6 routing over OpenVPN

Trying to learn how IPv6 works with OpenVPN, so I wanted to setup following scheme. I have a VPS server (Ubuntu), which have been allocated a /48 subnet. ISP ipv6 gateway is XXXX:XXXX:XXXX::1 Server ...
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1answer
187 views

VPN chaining using openvpn

My boss got extra-paranoid and wants me to organize VPN-chaining of some sort for him. I come up with following scheme: Client VPN1 VPN2 ...
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2answers
249 views

Routing through OpenVPN gateway

I have the following setup: ++++++++++++++++++ + OpenVPN server +........ . . . . (cat pictures) ++++++++++++++++++ | | ...
2
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1answer
102 views

openvpn client cant reach external internet *solved

Setting up an openvpn server with tls auth and ip forwarding. I could connect to the vpn server just fine, but couldn't reach any outside connections I could not successfully ping 8.8.8.8 the ...
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28 views

Redirecting OpenVPN Server routes towards other VPNs to clients

I have an openVPN Server that share a network in tun mode, the main network that it share is on the class : 192.40.190.0/24 . The config file that I have on the Server is like the following : local ...
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2answers
490 views

OpenVPN - iptables restrict one IP's access to only some servers

I have a large OpenVPN network. Most of the addresses have free access to one another. However a few IPs need to be restricted to only a couple of other IPs. For example 10.8.0.6 can only be ...
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1answer
133 views

Exclude one protocol from VPN on Windows

How can I exclude one single protocol from a VPN connection on Windows? I wish to keep NNTP connections off my VPN connection. I know which port it uses (443, SSL enabled). The goal is to keep high ...
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1answer
80 views

openvpn routing setup for incoming connections on client

I have a debian server, call it A, that is connected as an openvpn client to another network. Server A is also http and email server accepting connections from the internet. Now, one of the servers on ...
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1answer
35 views

bridge on openVPN client

I have some problem with setting up what i call a "remote entry point" (i'm sure ther is a real name for this) First things First : Here is my setup : ...
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1answer
206 views

OpenVPN connects but gets invalid IP on Tap Device

I have a WinXP SP2 box trying to connect on a OpenVPN server and getting the following errors: Tue May 14 11:29:52 2013 Notified TAP-Windows driver to set a DHCP IP/netmask of ...
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1answer
48 views

OpenVPN - possible to log failed authentications?

I do not know how the OpenVPN authentication protocol works in detail, which is why I am wondering if there is a possibility to log failed authentications. E.g. if I try to use a invalid key file. I ...
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1answer
165 views

OpenVPN pass through to lan and out second internet connection

I asked on SuperUser, was told it might be best to ask on here, so here we go. I want to run OpenVPN on a computer connected to a FiOS connection on one NIC, then pass that traffic onto the LAN, and ...
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3answers
58 views

Unable to use gateway once in OpenVPN

I'm trying to get an OpenVPN server working to give clients access to a network that is 10.202.0.0/16. I'd like the OpenVPN clients range to be 10.202.46.1-255. I have configured the server, and can ...
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119 views

OpenVPN server cannot ping client

First of all apologies if this has been answered anywhere else, but I Have been googling around for a few days and it is driving me crazy now. I have installed OpenVPN server on a CentOS VPS hosted ...
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1answer
217 views

openvpn (tun0 + bridge) : Comunication bridge --> tun0 works but not the opposite direction

My network is composed as follows: Host A with ip 9.x.x.x and vpn ip 192.15.206.x (openvpn client) Host B with ip 9.x.x.x and vpn ip 192.15.206.1 (openvpn server) this host has a bridge br0 with ip ...
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1answer
238 views

Packets do not reach FILTER chain of iptables

I have a problem I cant figure out, I am trying to access webserver on [RPI], but packets never reach iptables FILTER chain I will try to explain it a bit: GW1 has public address and doing DNAT from ...
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130 views

OpenVPN : Cannot SSH or MySQL properly

I have been happy with OpenVPN so far. But I have other issues. Following is the situation right now : - OpenVPN server installed on Amazon Linux. - OpenVPN client installed on Windows 7. - Set up ...
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1answer
275 views

SSH through OpenVPN on iPhone

I have problem with connecting to my SSH server through OpenVPN from my iPhone. I can successfully connect from my PC so all settings are good. OpenVPN also works well ("connected") - I can see VPN ...
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51 views

OpenVPN bridge failed to forward packet

I have a pair of OpenVPN bridge working for my school. The bridge works well, it did bridge ip traffic between the 2 sites. My problem is, if a user turn on a PC after the bridge has already started. ...
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1answer
2k views

OpenVPN server on Windows 7 - How to route specific IP addresses to clients?

Okay, so I do not have a strong background per se in computing, nor networking, and I'm really just starting to learn this stuff now, for a relatively small family business of ours. It is rather ...
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232 views

Using iptables to route all internal data to tun0 from eth0

Looking for a few answers ;) I'm running Zentyal on a gateway. The gateway is also an OpenVPN client, to a server I run out of another country. Interfaces are thus : External : eth1 (dhcp from the ...
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67 views

What's the meaning of “\x38\x01\x00\x00\x00\x00\x00\x00\x00” in openvpn connection using netcat?

I am testing my openvpn server by netcat, and I found this answer: How to check that an OpenVPN server is listening on a remote port without using OpenVPN client? by send a magic string ...
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87 views

OpenVPN networks conflict

When having an OpenVPN instance working fine I'm having troubles with networks conflict in some specific circumstances. The setup is as this: tun-mode clients' network in OpenVPN: 172.16.159/24 ...
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2answers
163 views

OpenVPN Allow Servers to talk to VPN Clients

I have setup a VPC in Amazon with 2 subnets. The public subnet has a ip range of 10.0.0.XXX and a private subnet with a ip range of 10.0.1.XXX my OpenVPN sits on 10.0.0.100 and hands out ip from the ...
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3answers
758 views

OpenVPN - Client traffic is not entirely routed through VPN

I installed OpenVPN on my dedicated server. Using Viscosity or Tunnelblick on the client, I successfully connected to this server. However, after some tests, I realized that not all the traffic ...
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1answer
83 views

OpenVPN - Windows redirect log to windows event log

Running OpenVPN as a service, How do I redirect the log (which defaults saves to \program files\openvpn\log or if --log is specified) to windows event logger. I don't want to store logs in more ...
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44 views

here filtering terminate TLS in openvpn but not ssl

I have configured an openvpn sever appliance on vmware and windows 2008 R2 and set it to use port 80 for openvpn, iphone and ipad could connect to it but windows and mac could't and generated error in ...
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1answer
111 views

OpenVPN Server subnet addresses conflict

Where I work we have the same subnet pool (192.168.1.x) that I have at home. Hence I can't reach to home's subnet addresses when connected to the OpenVPN Server. What's the best/easiest way to ...
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0answers
72 views

openvpn up script execute command in schroot

We would like to control a service in a chroot environment utilising scripts run during an openvpn up and down sequence. Host OS is ubuntu-12-04, chroot environment runs ubuntu-12-10 A session has ...
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3answers
149 views

Logging OpenVPN/PPTP connections

I currently have a default setup of OpenVPN and PPTP. I was wondering how I can enable the most verbose logging of the services so in case of abuse we can track down who's IP did what?
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1answer
167 views

Iptable forward configuration

I have OpenVPN and PPTP installed on a VPS. I'm having a few questions that I can't seem to get a firm answer on. I want to install OpenVPN on 1.1.1.1 (eth0, public IP address) and PPTP on 1.1.1.2 ...
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1answer
65 views

Running multiple site-to-site with openvpn

I'm planning to connect two offices in two diffrenet locations with Openvpn, here I know that I can use site-to-site for my purpose, But the offices will grow in the future up to 10 or more and all of ...
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3answers
302 views

How can I log OpenVPN packet contents?

I'm designing a developer tool that would analyse and debug arbitrary network connections, but I want to provide it as a service rather than software to be installed locally. Ideally I would like to ...
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1answer
113 views

Ensure PPTP / OpenVPN clients cannot interact with each other?

How can one ensure that PPTP / OpenVPN will not allow clients connected to the tunnels to be able to interact with each others? I never enabled bridging and enabled the following in iptables ...
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2answers
221 views

Default gateway and bridged interface

I have slackware based server with openvpn bridging, this is my settings of interfaces: root@senior:/# ifconfig br0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet ...
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162 views

SMB share client side connection (Win7 with net use) is very slow

I have a SMB share on a CentOS server. Windows 7 based clients connect to the server via OpenVPN. Then net use is used to init the share. On some clients (not all) I am experiencing very long ...
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0answers
100 views

Cannot access Hyper-V machine via OpenVPN

We have an XP/SP3 Hyper-V machine running at Windows2012 Server. There is no problem to connect that virtual machine via mstsc or ping it from within our LAN. We have a branch in other city. They ...
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2answers
119 views

OpenVPN Endpoint to endpoint using the real IPs

I want to connect two servers to eachother over the internet. For various reasons I cannot use IPSec for this. I would like traffic to be transparently encrypted as if I was using IPSec transport ...
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1answer
287 views

Tomato/DD-WRT router firmware, how to restrict mac address to only allow openVPN client connection? [closed]

I want to estable a openVPN connection on one of my computers. But I want to make sure that the connection is secure by filtering everything except for openVPN. Therefore openVPN will be the only way ...
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1answer
236 views

How secure is OpenVPN on a public server

If I use a VPN Connection on a server that many others use as well for their VPNs, is there any chance they could sniff my traffic or see my packets as we are on the same local network? If so, how do ...