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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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 ...
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1answer
8 views

OpenVPN UDP and TCP Traffic Fowarding

It's been a while since I've used OpenVPN, but using the TUN configuration, how would one go about sending all TCP and UDP traffic over the VPN? Would I need two VPN Clients and Servers running? ...
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8 views

openvpn shaper connection issue

I have a server with this config: port 444 topology subnet proto tcp dev tun ca /etc/openvpn/ca.crt cert /etc/openvpn/csibvpn1.crt key /etc/openvpn/csibvpn1.key dh /etc/openvpn/dh2048.pem server ...
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5answers
1k views

Forwarding requests throught Apache to openVPN

I am wondering if it is possible to redirect requests through Apache to eg. OpenVPN. As long as I need to bypass firewall, I need to use port 80/443 for openVPN, but there is Apache server which has ...
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1answer
1k views

Juniper SRX1400 VPN

I have been trying to set up a client VPN on a Juniper SRX1400 without much success. All documentation I found from Juniper and elsewhere does a lot of other (difficult and wonderful) things other ...
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3answers
1k views

Simple OpenVPN setup on Windows Server 2003 SBS with RRAS

I am trying to set up the most basic VPN configuration with OpenVPN. The server is Windows Server 2003 SBS. A typical client system is Windows 7 Professional. The server has two physical NICs (WAN ...
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6answers
61k views

Should I use tap or tun for openvpn?

What are the differences between using dev tap and dev tun for openvpn? I know the different modes cannot inter-operate. What is the technical differences, other then just layer 2 vs 3 operation. ...
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1answer
858 views

Route outbound connections from local network through VPN

I have a server A running OpenVPN, an OpenVPN client B (a rooted Android phone as it happens) and a third party C (a laptop, tablet etc.) tethered to B. B can use the VPN to access the internet via ...
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1answer
851 views

OpenVPN connects and access to ip works but not url in browser

I have been struggling for 2 days to setup Openvpn access to one of my servers but something doesn't work. First about my setup: My server is Debian 6 installed on vps on kvm environment. I have ...
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1answer
10 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
32 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 ...
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2answers
1k views

Comments in OpenVPN client config files?

Is it possible to put comments in the client config files (those in the path specified by "client-config-dir") for OpenVPN, i.e. something beginning with "#" or "//" or the like? If so, what is the ...
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1answer
11 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
2k views

OpenVPN and TomatoVPN

Wondering if someone can help me with the following. I have updated my Linksys router with TomatoVPN and used the following config: Interface Type:TAP Protocol:UDP Port:1195 Firewall Custom ...
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1answer
42 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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0answers
23 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 ...
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2answers
3k views

OpenVPN redirect-gateway does not work on Windows 7?

i have set up openvpn, and it works. pinging from client to server and backwards works just fine. but now i wanted to redirect all the clients traffic through the vpn. so i did the following steps as ...
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2answers
869 views

Gateway gets stripped from DHCP Reply through OpenVPN tunnel

I have a bridged OpenVPN setup. This is my server config: port 1194 proto udp dev tap0 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key ...
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5answers
3k views

openVPN and multiple external IP addresses

I currently have an openVPN server with multiple external IP addresses. I'd like to have all VPN connections (tun0 interface, and/or 10.19.88.xx IP range) to take the 2nd external IP address as ...
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28 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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2answers
62 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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2answers
842 views

OpenVPN AS accept connections forwarded by NAT

We're running OpenVPN AS servers which are accessable and working over a public IP. But some of our clients aren't allowed to access our VPN server directly (because of some nasty firewall admin - ...
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1answer
1k 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
972 views

How to troubleshoot problem with OpenVPN Appliance Server not able to connect

1) I have a Windows Server 2008 Standard SP2 2) I am running Hyper-V and have the OpenVPN Appliance Server virtual running 3) I have configured it as it said, only issue was that the legacy network ...
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4answers
3k views

Openvpn, forward packets very slowly

I rebooted my server, and an odd issue just came out. I am running on ArchLinux, the clients are Ubuntu, Android and Mac. The problem is that accessing the internet via the clients is slow, about ...
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2answers
1k views

ARP reply vanishes from br0 to tap0 using OpenVPN in bridging mode

i have setup a linux box (on an esxi5) which acts as an openvpn server. the server is configured to use bridging for the clients, which essentially works, with one exception. if the client pings some ...
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1answer
22 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 ...
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1answer
21 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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41 views

failing to tunnel F5VPN through OpenVPN [migrated]

summary I need to tunnel an F5VPN through an OpenVPN in order to ssh from a client device (Debian laptop) through a firewall. The OpenVPN works, but I lose all networking on the laptop once I start ...
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4answers
3k views

OpenVPN won't start on ubuntu - PID not found

I am running ubuntu version 12.04 LTS and I have installed OpenVPN on it. After a while of troubleshooting why my client won't connect (I have generated keys and confligured the client), I ran ...
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28 views

How to do the port forwarding from one ip to another ip only for right incoming ip?

I'm have 2 vpn clients and 1 vpn server. One vpn client(work) has access to the server on amazon, but it seems for this server in the firewall block incoming requests from all ips except work ...
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1answer
6k views

OpenVPN: ERROR: could not read Auth username from stdin

I managed to setup openvpn but now I want to integrate a user/pass authentication method so, even though I haven't added the auth-nocache in the server config, whenever I try to connect it returns ...
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1answer
23 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
2k views

Zentyal Server : Setting up secure VPN Client

I have officially exhausted pretty much all my google-fu trying to set this up so I'm asking my question here. For the record, I am a mid level rookie who has played around with servers in his spare ...
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13 views

Using ssl on open vpn server

So I'm getting crazy annoyed with the following problem. I have a Ubuntu 14.04 Server with OpenVPN acces server running on sub.domein.com . Now I can request different folders from the server with ...
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2answers
4k views

Cisco AnyConnect VPN via OpenVPN tunnel [Unable to modify IP forwarding table]

Background: I'm working as a contractor for a small web design agency. We have a particular project / client requires that any updates / development that are performed are done via VPN. The client VPN ...
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59 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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12 views

Rewriting the IP packet on tunnel interface in MAC OS [migrated]

I am trying to rewrite the destination address (to 127.0.0.1) of an IP packet received from a tun interface on MAC Yosemite. Will the kernel route the packet again to loopback interface or will it ...
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1answer
187 views

openVPN on TCP 443 + sniproxy only for certain IPs - is it a way to do it?

I'm currently running sniproxy and https server. If user is known (IP is known) iptables just allows connection to sniproxy which redirects user to desired website or local https server (127.0.0.1 ...
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1answer
1k views

Help with OpenVPN setup on Windows Server 2003

Just wondering if someone can assist me further with the set-up of OpenVPN on my Windows Server 2003. I have configured Win Server as per the following guide: http://tinyurl.com/kxusv and I'm now at ...
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0answers
34 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 ...
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1answer
34 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 ...
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0answers
45 views

OpenVPN Server client-connect scripts aren't executed

I have an OpenVPN server up and running that (Windows) clients can successfully connect to. Now I'd like to share a luks encrypted partition with those clients. The goal is, that the server fetches ...
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6answers
10k views

Samba over OpenVPN - horribly slow

I've set up a server to run OpenVPN, with the purpose of clients accessing Samba shares remotely. The server is running CentOS 5.6, a decent quad-core Xeon CPU and plenty of RAM. The client I've ...
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0answers
21 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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3answers
3k views

OpenVPN disables WiFi adapter afer connecting; connects after re-enabling it but no VPN hosts connectivity

I want to connect from my Windows 7 Enterprise PC to OpenVPN server. I have OpenVPN client version 2.1.1 installed. I have currently two problems: 1) After I start OpenVPN GUI and connect the ...
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1answer
1k 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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2answers
69 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: ...
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1answer
830 views

OpenVPN host cannot access client LAN

I have an OpenVPN server, call it vpn-server, with a LAN 192.168.3.0/24 behind it. The client, vpn-client, also has a LAN behind it, 10.4.0.0/24. Machines on 192.168.3.0/24 can access 10.4.0.0/24 ...
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1answer
9k 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. ...