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 doesnt start due to iptables and mangle (VMware)

I have installed openvpnas on redhat5.10 via the package from openvpn. When I start the server it will start the webserver for administration but it wont start the the openvpn service. So I did my ...
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98 views

Severe performance issues sharing openvpn client connection to LAN clients virtualbox

I am trying to set up an internal network in Virtualbox in order to share an openvpn client tunnel with multiple VMs acting as clients that should be completely isolated from everything except for the ...
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27 views

VPN Full Functioning Then Enabled 2nd NIC now VPN not functioning

I had a successful VPN solution stood up on a Dell PE 2650. I configured Ethernet Bridging and all was well. Following the successful configuration and connection of a few clients, I got greedy. I ...
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1answer
389 views

Software VPN connection to Amazon AWS VPC private instance [closed]

I have a Virtual Private Cloud (VPC) instance on Amazon AWS. Inside the VPC, I have a private instance which is running the database and a public instance which has the front-end web pages for ...
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1answer
309 views

OpenVPN connect on startup

I'm using OpenVPN on Ubuntu 12.04 LTS. I've set up OpenVPN to connect to my vpn service. It works great. Now, I need it to connect automatically. I can run from a terminal nmcli con up uuid ...
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41 views

Open ports for VPN users

I have been looking around for some time for answer to this, and have yet to find one. The issue that I am having is that users that are connected to the VPN cannot do the following, as examples: ...
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1answer
153 views

Slow Network Printing over OpenVPN / Windows Server 2008

Our setup is as follows: Two offices (A and B) connected with OpenVPN Access Server. One Windows Server 2008 R2 Standard Housed in remote datacenter. Terminals at both offices connect through RDP ...
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2answers
546 views

Set DNS server on client when using static key configuration in OpenVPN

I'm using static key configuration for OpenVPN. but I can't set DNS server. My server.conf is: port 3001 proto udp dev tun ifconfig 10.8.1.1 10.8.1.2 secret static.key keepalive 10 60 ...
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1answer
51 views

How to manage load on OpenVpn server

How to manage the data transfer between two clients such that the clients can communicate peer to peer and load from the openvpn server can be minimized. By default when the clients communicates with ...
2
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0answers
273 views

openvpn push redirect-gateway towards another OpenVPN Client

Greetings Server Fault Team, I want to route all the traffic from Client1 to Client3 in order to use internet of Client3 on Client1. We're using bridging on OpenVPN Server and both the clients are ...
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1answer
63 views

bridging multiple openvpn networks

Is it possible two bridge multiple openvpn networks like following - root | ---------------------------------- S1 C1 C2 ...
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72 views

Wan emulation on linux

I have to connect two different geographic networks with an OpenVPN (for instance) Before doing that "in the real world", I wish I could test my configuration. My main idea is the emulation of ...
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2answers
365 views

Allow OpenVPN through a specific port - CentOS 6.5

I own a VPS (CentOS 6.5). I have installed OpenVPN on this server. Everything works fine, I can connect and surf, etc. Let's say my IP of the server is: 1.2.3.4. When I connect to my VPS my IP is ...
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280 views

OpenVPN client as gateway for other clients

I have OpenVPN network with one server and two clients. When I setup my default route on C1 to go through S (which does have ip forwarding and NATing enabled), everything works as expected. The ...
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54 views

OpenVPN - Routing from one VPN into another

I have the following situation. I have a root server, which acts as a VPN server for my company network and as a VPN client to multiple customer-networks. Every seperate connection works (I can ping ...
2
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1answer
547 views

iptables: access connected openvpn client from the LAN with the VPN server

I have what is essentially a routing problem, and I'm not familiar enough with routing and iptables to effectively troubleshoot and set up my network needs. What's working I have an openVPN network ...
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1answer
100 views

Redundant OpenVPN tunnel

I'm trying to set up a fully redundant OpenVPN tunnel, with two routers on each side. All the tutorials I saw (such as ...
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1answer
283 views

Openvpn limit bandwidth

I would like to ask you a question concerning openvpn and the possibility to increase the bandwidth in case I want to transfer files. I have an openvpn server via which I connect to my data center. ...
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1answer
161 views

Route traffic to some host in Internet via VPN server

I need route traffic to some host in Internet via VPN server. Configuration: Computer: ubuntu-12.04 eth0 - x.x.x.x/24 tun0 - inet addr:10.8.0.6 P-t-P:10.8.0.5 Mask:255.255.255.255 There is ...
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113 views

OpenVPN client opens a random UDP port?

We are noticing this on a number of our openvpn clients: [root@box ~]# netstat -tulpn | grep openvpn udp 0 0 0.0.0.0:53950 0.0.0.0:* ...
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2answers
544 views

What's the best method to monitor an OpenVPN server?

I have an OpenVPN server machine which resides on an isolated network, a NAT rule in the company's firewall is redirecting all traffic on port 1194 (tcp) from the public IP I chose to the internal ...
2
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1answer
887 views

OpenVPN not redirecting all traffic through VPN

I have just finished setting up my VPN, and google shows my IP to be that of my VPN, so this works fine. However, when I log in through SSH to the VPN server, it shows my last login to be that of my ...
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65 views

Pass a traffic from a specific domain through OpenVPN

I want to pass traffic from a specific domain through openvpn (tun0) and the rest through eth0 How can I configure openvpn to work with eth0? the domain name is set with ddclient to update dynamic ...
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1answer
278 views

AD Integrated OpenVPN Server User Cannot Connect to MS SQL Server

I have a Windows 2008 R2 Domain/Forest functional level environment with an OpenVPN Access Server (v1.8.4.400) that is Active Directory integrated and working smoothly. I've been working with our DBA ...
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76 views

LVS-DR and OpenVPN: returning packets not being routed into the vpn

i've set up a load balancer with ldirectord, and an active-passive mysql service managed by it, on two additional real servers. LVS is running in Direct Routing mode, so the client requests are ...
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2answers
97 views

Is it possible to allow a machine on openvpn to connect to only one server on the network?

I have an OpenVPN server which is already functioning properly and allowing people to work on our servers. There's a new project which requires me to allow access to the network and into one specific ...
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1answer
75 views

OpenVPN not redirecting

I've tried to follow the official documentation, but I can't seem to get it to work. In my /etc/openvpn/server.conf I have push "redirect-gateway def1" push "dhcp-option DNS 8.8.8.8" set and I ...
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1answer
229 views

How to work around an uncooperative HTTP Proxy?

I am trying to set up a OpenVPN tunnel and I'm getting this error on the server side: Wed Dec 11 13:34:24 2013 us=454625 WARNING: Bad encapsulated packet length from peer (18245), which must be > ...
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1answer
99 views

Waiting for devices to come up on Debian boot

I'm running OpenVPN and dnsmasmq on my wheezy system. Dnsmasq is only necessary for VPN and local users, so I don't want it to listen on all devices (yes, there is also a firewall, anyways). When ...
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1answer
153 views

OpenVPN - VM-Setup with MacVTap, ICMP echo works, TCP/UPD don't

Short résumé No errors, no dropped packets, pings reach clients, tcpdump shows packages travelling, everything else never reaches the LAN hosts (or OpenVPN clients). Edit After trying to eliminate ...
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94 views

pfsense: filtering traffic with multiple OpenVPN servers

Thanks in advance for any help.... :) My setup is: Pfsense version 2.1-RELEASE 3 OpenVPN servers running on ports 1194, 1195 and 1196. 3 interfaces defined - VPN_1, VPN_2 and VPN_3 - each assigned ...
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64 views

OpenVPN: Doesn't close dead sockets, user limit reached

I am running OpenVPN 2.3.1 with a fairly basic configuration. The daemon has been up in it's current configuration for ~180 days. Earlier this week I began to get connection failures to find out the ...
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1answer
326 views

OpenVPN split tunel

I've been trying to set up vpn just for one specific ip address. What I want is to have so all traffic that is sent to single ip ( 1.2.3.4 for now ) would go through openvpn client. My current ...
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1answer
470 views

How to Access OpenVPN Client Subnet

I'm setting up a site-to-site OpenVPN, For now: Users on the client side can access the subnets on the server side. accessing the VPN client machine [Its IP on the client subnet] works fine. But ...
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1answer
59 views

Gateway on OpenVPN

I have a problem... I worked a lot of days on configure a VPN on my dedicated serv... I started 1 month ago. Now it works, I am able to connect to it. I have no error. But I want to have a static IP ...
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18 views

OpenVPN Access Server Selective Routing

We have a company admin panel that i want to be accessible only inside an OpenVPN Access Server network, but i don't want our staff to do their normal browsing from the server IP. So how can i make ...
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226 views

Using OpenVPN only for specific applications on Linux

I have a working PPTP VPN with very specific routing requirements that I need to replace with OpenVPN due to issues with our ISP, and I am having issues adapting my routing rules to OpenVPN. I only ...
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1answer
78 views

VPN client to client port forwarding

I have an EC2 Amazon instance running a vpn server with 192.168.240.1-9 ip range. I can connect my Macbook to this VPN (using system pref.) and a Raspberry Pi, using this command line: sudo ...
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1answer
303 views

Port forwarding through OpenVPN server

Here's my scenario: Remote OpenVPN server v2.3.2, 1 public IP, CentOS 6.4, 2.6.32-042stab079.6 Tunnelblick (OpenVPN client) What I want to do is route all the client traffic through the VPN - and ...
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1answer
222 views

Configure username/password only auth in OpenVPN Connect

I'm trying to configure my client to use only username/password for authentication. Unfortunatly, iOS app keeps asking me for a Certificate (I'm not sure it's Client certificate though). Here is ...
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129 views

openvpn tun forwarding with firewalld

I have an OpenVPN server on Fedora 19 with 2 clients - 1 client on the same LAN as the server, and the other on the internet. I want the 2 clients to be able to talk to each other thru the tunnel and, ...
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1answer
100 views

How to bind traffic of each NAT client to a external IP address?

I have a NAT router with 2 IP addresses, lets say 111.111.111.111 and 222.222.222.222 associated with the interfaces eth0 and eth0:1 respectively. I have two servers that connect to this NAT gateway ...
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104 views

OpenVPN Connected but Unable to Access Machines Inside

I'm on an Ubuntu laptop connected wirelessly, attempting to VPN into my network. It seems to connect successfully, showing "Initialization Sequence Completed", but I can't ping or otherwise access ...
2
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1answer
565 views

OpenVPN server configuration with D-Link DSR-250n as client

I am attempting to have my D-Link DSR-250n router connect to my OpenVPN server. I have followed this guide in terms of getting the server up and running, and can successfully establish a client ...
2
votes
1answer
124 views

OpenVPN fails while openssl verifies ok

I have recently created a new CA certificate, as the old one was about to expire. I deployed this certificate to our OpenVPN server, and on it the verification of local certificate goes ok with both ...
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1answer
336 views

OpenVPN and port 1194 closed

I installed openVPN on my server. By default, the port 1194 is choosed. The problem is that when I am running: sudo nmap -sU localhost -p 1194 It shows me: PORT STATE SERVICE 1194/udp ...
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2answers
1k 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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1answer
54 views

Understanding VPN Implementation

The above image shows what I think occurs during an OpenVPN connection. Hosts A and B are connected to the VPN through the VPN server at 1.2.3.4:1194. My question is: if host A wishes to send a ...
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541 views

OpenVPN SELinux Permission Denied

I am running CentOS 6.4. # cat /etc/centos-release CentOS release 6.4 (Final) After some updates, and a reboot, OpenVPN fails to start. # service openvpn start Starting openvpn: ...
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70 views

OpenVPN private domain unsing DNSMasq

What I want to do is to set up OpenVPN network which would make it possible to access private domain ( a.domain, b.domain, d.domain). I believe the simplest way to do it is to use dnsmasq to resolve ...