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, How to filtering client

I have a problem with limiting "client" with my VPN server. I was reading the FAQ about using iptables with disable option client-to-client, but i cannot run it. The question is how correctly allow ...
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45 views

OpenVPN not assigning fixed IP

I am configuring an OpenVPN server on my VPS and I'm trying to assign fixed IP to clients (to be able to apply firewall rules later on). Here is my /etc/openvpn/server.conf #Serveur UDP/443 mode ...
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1answer
32 views

My server goes offline when I start my OpenVPN service

I currently have a VPS with DigitalOcean and setup a OpenVPN following this tutorial: https://www.digitalocean.com/community/tutorials/how-to-setup-and-configure-an-openvpn-server-on-centos-6 and ...
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1answer
35 views

pfSense failover and OpenVPN site-to-site

I have two pfSense Clusters, and am trying to connect them with an OpenVPN site-to-site VPN. Initially, the client was a single pfSense system, and all was well. Now that one system is a cluster, and ...
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1answer
15 views

OpenVPN Site-to-Site Routing Woes

I'm fighting with an openVPN setup for connecting two sites. This is what the scenario looks like Office 1 (server): local network: 192.168.178.0/24 openvpn server public ip: 192.168.178.2 on br0 ...
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1answer
19 views

TLS Error on OpenVPN

Client: OpenVPN 2.3.4 64bit (Works fine connecting to my pfSense at home) Server: OpenVPN 2.2.2 installed via yum Followed this guide: ...
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1answer
21 views

OpenVPN routing

My VPN network is 10.10.10.0 Apart from the server I have two special machines. I need all the clients to see 10.10.10.10 and I also need 10.10.10.30 to see all the clients. Enabling ...
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2answers
220 views

User's private key is used for auth only?

I have a simple question regarding OpenVPN protocol. Let's suppose we have two different users, with different keys for the same server, and both keys 1024bits. If this two users make the exactly same ...
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1answer
19 views

OpenVPN client breaks remote access to web server

I have an issue where whenever I use OpenVPN client to connect to the remote server to (obviously) set up a VPN tunnel, I can no longer see my nginx server. I can connect on the local network but it ...
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1answer
30 views

Unusual OpenVPN server log entries every minute - Connection reset, restarting [0]

OpenVPN is running on pfSense 2.0-release. Until recently, these messages had not occurred. In the OpenVPN server logs, the follwing set of messages repeats every minute openvpn[34562]: ...
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0answers
20 views

VPN routed traffic, response goes outside of VPN?

Here's a weird one. Whenever I'm on a hotel network I tend to like to route all my traffic through my home network. Mainly since I'm not entirely sure all my passwords go through SSL all the time. ...
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0answers
22 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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0answers
27 views

OpenVPN Linux Client does not bring up tap0 interface

I have an OpenVPN client on Linux connecting to an OpenVPN server. The server assigns IPs via DHCP, thus I connect using the tap interface rather than the tun interface. OpenVPN connects, ...
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0answers
15 views

Connection through SSL VPN client is redirected always to the Domain Controller, how to solve?

Up to now we were using L2TP protocol to establish VPN connection with our machines in the workplace. When using the L2TP protocol, it was possible to connect to both the Terminal Server and the ...
0
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1answer
54 views

Openswan and OpenVPN

I have installed Openswan and have configured IPSec tunnels and they work perfect until i install OpenVPN. Now i can't find out way the ping wont work. When i execute the "service ipsec status" it ...
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0answers
12 views

Logstash, send output of analyse to a web service

I am actually looking for a way to analyse the logging from my OpenVPN server. I tought about using logstash to analyse those log. If logstach find any certificate that are expired, I want him to ...
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3answers
51 views

OpenVPN client connects but only loads SOME websites

I set up OpenVPN server on a Ubuntu 14.04 VPS using OpenVZ. I can establish a connection to the VPN with a client. I can access some pages like Google and twitter but a lot of sites fail to load. I ...
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0answers
63 views

iptables forward port range through OpenVPN

I have a VPN server (the "host" - 10.8.1.1) on a public VPS instance running OpenVPN. The second instance I am running (the "client" - 10.8.1.2) is a local ESXi instance connected to the host vpn ...
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0answers
17 views

Zentyal VPN Tunnel not routing properly?

I'm new to Zentyal and trying to set up a Zentyal-to-Zentyal Tunnel. There's 2 Offices. One uses a standard ADSL connection and the Zentyal (A) Gateway sits behind the Router. The other one is a ...
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1answer
14 views

Can I use --duplicate-cn option for a specific VPN account instead of using at server level?

If I use --duplicate-cn I am seeing it taking effect over all the accounts of my server. I want to make it per client basis, so that I can give this option only to select accounts. Is it possible?
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0answers
17 views

Accelerating OpenVPN using multiple connections

My ISP throttles single connection downloads, but if I use an accelerator like aria2c and open lets say, 20 connections, my download speed shoots through the roof. I have been able to saturate my ...
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0answers
34 views

Route public subnet to client over openVPN

I want to route a public /29 subnet over vpn to a client with a natted ipv4. After doing some research, I can't figure out to make that work. Maybe I was searching for the wrong terms, but it seems ...
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0answers
14 views

Openvpn server behind NAT router with PPTP connection to service provider

I have Zyxel router connected to service provider using PPTP. Behind the router there is a Ubuntu box with OpenVPN server. I would like to forward a port for OpenVPN server to access it from internet. ...
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0answers
32 views

OpenVPN in bridged mode, confusion about interfaces

I'm trying to understand some fundamental OpenVPN/networking basics. Let's assume the following scenario: there is an openVPN server which is already configured properly it runs in bridged mode the ...
2
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0answers
38 views

Understanding an OpenVPN bridge from iptable's point of view

In my scenario, there is a machine which acts as both an iptables-based firewall and an OpenVPN-server at the same time. It has two network interfaces - eth1 is connected to the internet whereas eth0 ...
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0answers
15 views

openvpn server drops route for client

I am using the following openvpn config: port 1194 proto udp dev tun ca keys/ca.crt cert keys/openvpn-server.crt key keys/openvpn-server.key dh keys/dh1024.pem crl-verify keys/crl.pem ...
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2answers
96 views

pfSense OpenVPN DNS Resolution

It seems that my problem is a common issue, and I've read several answers on Server Fault, but I can't seem to get my issue figured out. One of my clients is running pfSense 2.1.4, at an internal IP ...
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0answers
32 views

openvpn server for mobile access routing/bridging

I'm running a web server on an IPC and want to get access to the network with VPN, because the customer doesn't want to host his data directly on the internet. This web server runs a webapp, which ...
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0answers
52 views

pfSense LAN network unable to communicate with remote network on OpenVPN TAP connection

I set up pfSense to connect to a remote network (192.168.122.0/24) that only accepts tap connections. The connection is being initiated successfully. pfSense (192.168.1.1/24) itself can connect to ...
0
votes
1answer
30 views

Can't connect to SQL Server on virtual machine while Open VPN client is running on my system

I've got a server where there are a few virtual machines. I use Hyper-V. I created one virtual machine and installed SQL Server 2008 R2 there. Then I was able to connect to that server using ...
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1answer
30 views

Using OpenVPN and iptables in combination

Let's imagine there are three networks, WAN, LAN-A and LAN-B. In between, there is a firewall server connecting the networks to each other. iptables ensures the following things: There is no way for ...
0
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1answer
59 views

bypass firewall with Openvpn + Squid

I have 2 VPS servers, one in China and another in the US. The server (openvpn client) in China is connected to the US one via openvpn. I also have squid running in the China server. I want to redirect ...
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2answers
25 views

OpenVPN route IPV4 over IPV6

A friend of mine has issues with his ISP. At the moment, he get's no IPV4 from his provider (they have issues since 2 weeks), but one IPV6. Sadly, it's not possible to open 95% of the websites without ...
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0answers
48 views

How to route traffic from private network to openvpn subnet (and back)

I have a couple servers at Linode. I'm trying to set them up so I have a VPN into one of the machines and can then access all the other machines using the private linode network. Public access to ...
1
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1answer
32 views

Lots of users, reverse proxys and problems with both

I have a somewhat unique situation that is making managing my vpns a bit of a pain, so I am trying to make it easier on me and my users, hope somenone can give me some ideas and/or alternatives. The ...
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1answer
65 views

Convert certifcates file to .ovpn [closed]

I have tried to create an vpn server of my own. I have read many tutorials on the internet and I have done all the tutorials. I have created Ca.crt and server.crt and am done with my client.key.But ...
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0answers
35 views

Pfsense OpenVPN Site to Site Routing issues

I know this question has been asked a plethora of times before and I have looked over probably 100 different answers and still cant seem to get this to work. Im trying to create a very simple site to ...
0
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1answer
80 views

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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0answers
14 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 ...
1
vote
1answer
48 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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0answers
207 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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votes
1answer
32 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
47 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 ...
0
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1answer
36 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
21 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 ...
1
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1answer
56 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. ...
0
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1answer
103 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
92 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
32 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 ...
0
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1answer
80 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 ...