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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3
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2answers
2k 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, ...
1
vote
1answer
18 views

Prevent IP Spoofing on OpenVPN tun

I have a question regarding IP Spoofing and authentication. I have an OpenVPN server in TUN mode with many untrusted clients in the same VPN network, and I was wondering if one client is able to spoof ...
0
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0answers
6 views

ebtables arp filtering with openvpn tap interface

I want to prevent arp traffic not destined for the remote side going through a openvpn tunnel so I filter arp requests going to none of my own IPs. Server Setup: /etc/network/interfaces auto br0 ...
1
vote
1answer
993 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 ...
0
votes
1answer
13 views

OpenVPN internet access

I have my VPS on CentOS7. I just set up Openvpn on the CentOS machine. I can connect to the VPN from my desktop (Ubuntu), but can no longer access internet. What could be wrong? The last few lines ...
0
votes
1answer
27 views

How to change subnet to login in OpenVPN client.conf?

I have an access to different subnets. How can I modify client.conf to login (or at least able to route) in another subnet? E.g. now I get IP address in 10.132.193.0/24 subnet, but I want to get IP in ...
1
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0answers
61 views

OpenVPN sndbuf and rcvbuf

I would like to know what is the difference between the sndbuf and rcvbuf buffer used by OpenVPN and net.core.w/rmem_default or net.ipv4.tcp_r/wmem. What does OpenVPN do when some value a provided ...
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0answers
14 views

RaspberryPI OpenVPN Client Not Forwarding to tun0 [on hold]

reposting from the RPI SO I found plenty of guides for how to run RPIs as OpenVPN servers, but I want to run it as a client. I have a OpenVPN server set up using the following guide here: ...
2
votes
2answers
707 views

How access remote network with OpenVPN?

I am currently trying to configure OpenVPN to access our company network remotely. I was able to establish a connection and ping the server at the configured address (10.8.0.1), but I was not able to ...
2
votes
2answers
26 views

How to configure pfsense to allow vpn clients to appear as if they are coming from the PFSense WAN?

I have a specific host I need to get to via ssh (call it 'work'). I have a static IP at my client location (call it 'client') to enable access to this remote 'work' box. The people at 'work' then ...
2
votes
4answers
244 views

OpenVPN client on a windows 7, packets not routed

I have an OpenVPN client on a Windows 7, that connects to an OpenVPN server with tap. The tunnel establishes correctly. AFAIK, tap means that my virtual adapter is 'virtually' connected to the remote ...
3
votes
2answers
2k views

OpenVPN: Not all DNS entries get pushed to clients from server. (dnsmasq)

I have been trying to find a solution to this problem, but have found no answer so far, so I hope you guys can help me out. I have a server running Ubuntu 10.04, which has a static IP address and an ...
0
votes
0answers
11 views

OpenVPN server routing issue [on hold]

Background: I don't like Hamachi for LAN Gaming, it doesn't work because most of the games only scan one IP range. For example, it only scans 192.168.1.1 to 192.168.1.255 because this is the main ...
2
votes
1answer
28 views

Fix 'TLS Error: TLS handshake failed' on OpenVPN client

I am configuring OpenVPN 2.3.6-1 on my Arch Linux server in order to encrypt SMB traffic over the public Internet. When I test the setup on one of my Linux virtual machine clients, I get the error: ...
1
vote
2answers
4k views

OpenVPN on OpenVZ TLS Error: TLS handshake failed (google suggested solutions not helping)

this is my first post here, hope I made correct formating I've set up an openvpn server on an openVZ VPS. struggling for 2 days but connection always failed by: TLS Error: TLS key negotiation failed ...
3
votes
2answers
6k views

trying to route between two openvpn clients

I have two openvpn clients on the 10.0.1.0 (client1) and 192.168.0.0 (client2) subnets with the server's openvpn connection having the ip 192.168.150.1 The server has ip forwarding enabled. ...
3
votes
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 ...
0
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0answers
8 views

PFSense / Snort / OpenVPN - one WAN interface

I have a pfsense box running both Snort and OpenVPN. The VPN worked great before installing Snort, now intermittently I cannot connect. Should I whitelist the port that the VPN uses on the WAN ...
0
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0answers
9 views

How to identify and list openvpn connected clients

I need to know, how can I identify an OpenVPN clients, connecting to an OpenVPN gateway with a username, for example? Where would I put it in the connection profile file? Or generate a personal ...
1
vote
1answer
42 views

TLS Error: Handshake failed. Openvpn Server is behind NAT on dynamic ip

this is a common problem that appears easily in searches and seems to be related to the firewall , yet I can't seem to figure out how to fix it. I have actually asked before, but this time I come back ...
1
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0answers
21 views

OpenVPN redirect-gateway not working on 3G cellular

I have trouble setting up an OpenVPN server on Ubuntu 14.04. I followed this guide from Digital Ocean step by step and it works perfectly for all WiFi devices such as my laptops and desktop either on ...
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votes
0answers
9 views

One of VPN clients cannot connect to some remote computers

I am baffled. We have openvpn server and have many clients on 10.128.28.xxx network that are able to connect to all our networks. I installed vpn client on one windows box - for some reason that box ...
2
votes
1answer
4k views

IP served by OpenVPN doesn't take ipp.txt into account

I'm facing some troubles right now with an OpenVPN server an former colleague set up (I'm not too into it ATM). We're using OpenVPN for a private network of ~200 clients (to be more specific, only 15 ...
0
votes
1answer
26 views

OpenVPN export ca.crt

I've accidentally regenerated the ca.crt and ca.key of my OPENVPN config, but did not import it into the configuration, so all previously generated keys/certificates are working fine, I just can't ...
0
votes
1answer
18 views

No internet connection via my OpenVPN server (solved)

I have OpenVPN up and running on my server. I want all traffic from my clients to be routed trough the VPN server. The client connects just fine but is unable to connect to the internet. Server ...
-1
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0answers
22 views

Boss-friendly OpenVPN server with Active Directory? [closed]

Has anyone found a license-free OpenVPN server with AD integration that "Just works"? We need a VPN for our admin team, but don't want to spend days learning and setting up RADIUS by hand. I've seen ...
0
votes
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 ...
4
votes
0answers
2k 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 ...
2
votes
1answer
44 views

How do I connect to an OpenVPN server and dump the certificate chain presented when connecting?

My first thought was to use something like openssl s_client but this only supports TCP not UDP and it seems there requires some special magic to get TLS over UDP working, how do I interface with that ...
1
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5answers
4k 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 ...
2
votes
1answer
1k views

openvpn refusing connections with freeradius

I installed openvpn and freeradius from yum and I installed the radiusplugin_v2.1a_beta1.tar.gz but I am having connection issues with the error: XML-RPC: ConnectionRefusedError: 10061: No connection ...
0
votes
1answer
27 views

/dev/net/tun exists, but OpenVPN is refussing to find it

I'm currently configuring an OpenVPN client on an arm microprocessor running debian squeeze, however I'm running into problems. As the below shows, /dev/net/tun exists: debarm:~# whoami root ...
0
votes
1answer
48 views

OpenVPN server and client configuration for openwrt

I have an OpenWRT router with WAN(eth1) and LAN(eth0) interface. I wanted to install an openVPN server on this router, so I could access from the WAN side into the LAN side. My LAN(eth0) has a DHCP ...
0
votes
0answers
13 views

OpenVPN Access Server low bandwith

I have been running OpenVPN Access Server for over a year on a DigitalOcean droplet. Since a few weeks the connection went downhill. When I perform a speedtest on my computer, I get (using ...
0
votes
1answer
9 views

When is domain resolved for openvpn server?

In my setup I have several OpenVPN clients pointing to a vpn server's dns name. let's use vpn1.mydomain.com as an example. The server's public IP pointed to by that domain would be for example ...
0
votes
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 ...
2
votes
1answer
1k 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 ...
1
vote
1answer
11k 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. ...
1
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0answers
15 views

Assign a public ip to openvpn client

For learning purposes, I'm trying to set up openvpn server, so that each connected client would get a unique public ip address. I have a vps server and I ordered extra 8 static ips and they are ...
0
votes
0answers
18 views

Bizarre routing table name resolution issue with openvpn

I have been having some rather odd issues with my routing table. I am running a Debian Wheezy system, and for a while now, whenever I connect to my home wireless network AND my VPN server, (but not ...
0
votes
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 ...
0
votes
1answer
20 views

Cant route traffic through OpenVPN on Debian 8

I have been trying to setup OpenVPN and have run into a bit of a hiccup, i have can't seem to route all my traffic through the server. I can connect to the server just fine but i can't seem to ping ...
0
votes
0answers
27 views

Automatic connect to Samba share on (open)VPN connect

I'm currently working on several BeagleBoneBlack, all running Debian 7.8. The setup: One BeagleBone is running an openVPN server (with easy-rsa authentication) and a samba server. The sever is ...
0
votes
0answers
603 views

Windows : Map-a-network-drive to a remote Shared-Folder (on QNAP NAS) using OpenVPN

Provided my lack of networking knowledge, I've been struggling with this issue for quite a few days now : I have a QNAP-TS212 NAS on which i've created a shared-folder (mostly excel files). All the ...
0
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0answers
7 views

openvpn ping: packet response is done on a different (?) port

I am having difficulty pin pointing the exact location of a problem with my openvpn which is running on a Linux server, which sits behind a modem that is in turn connected to the Internet through a ...
0
votes
1answer
25 views

OpenVPN client nslookup failure after disconnect

Currently I am trying to route my traffic through a gateway running Debian Linux which forwards all incoming traffic thorugh a VPN connection (Client -> Gateway with OpenVPN client -> VPN server -> ...
0
votes
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 ...
1
vote
1answer
2k views

Why OpenVPN client fails to start (TLS timeout) when wifi signal is not ideal?

I have OpenVPN clients running on Carambola2 devices [1] and when I use 3g/umts stick or wired ethernet then OpenVPN clients establish vpn tunnel every time. When wifi is used then OpenVPN client ...
1
vote
1answer
50 views

OpenVPN doesn't share port with nginx

I have OpenVPN configured to sent non-VPN traffic on port 443 to my nginx server on port 4433. When I go to https://domain.tld:4433 it works, although https://domain.tld (Where OpenVPN listens on port ...
0
votes
1answer
37 views

Open VPN and Virtual machines

This is my environment: centos 7 running Gnome with KVM two virtual machines running centos 7 Gnome desktop This is what I would like: Users to log into the any virtual machine from either the ...