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Questions tagged [openvpn]

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.

OpenVPN is a free and open source software application that implements VPN techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses SSL/TLS security for encryption and is capable of traversing network address translators and firewalls.

It's architecture is build upon 4 principles:

  • Encryption
  • Authentication
  • Networking
  • Security

More info is to be found on the Open-Source site of VPN.
A very thorough tutorial can be found on Shorewall.

3274 questions
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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, authenticates, chats with the server, and grabs a cup of…
Chris
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Assign static IPs to tap clients in pfSense's OpenVPN server

I am trying to set up a pfSense server with OpenVPN. The OpenVPN will use the tap interface, tun clients are no option for us. The LAN network is 10.0.0.0/24, the pfSense machine is 10.0.0.10 and clients DHCP range is currently…
Izzy
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Opening up the subnet LAN behind an OpenVPN server

I've set up an OpenVPN server on my work network, and I am able to access the server from a remote machine over the vpn. However I can't work out how to access the lan behind the server. The network layout is: ---------- ------- -------- …
fnord_ix
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Split tunneling through two VPNs simeltaneously

I want to run two OpenVPN client instances on an Ubuntu Server 14.04. I have both .conf files that can work independently (both are set to different interfaces - tun0 and tun1). I want to run both at the same time, and route traffic from one…
Ian Hyzy
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Is OpenVPN UDP vulnerable to heartbleed?

Is OpenVPN UDP vulnerable to heartbleed? I need to decide if I'm going to rebuild some servers, but they are very carefully firewalled; 1194/TCP is one of the firewalled ports (yay whitelist!). 1194/UDP is used (mission critical).
AMADANON Inc.
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connected to Centos openvpn but no outside internet access

I am using Windows 7 to connect to a VPS server running CentOS 6.4 First off, I have read every single post and just cant find the solution to my problem I configured my VPN server with openvpn, and finally got it working after on and off trying for…
Charlie Dyason
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Tunneling traffic from eth0 to tun0 (OpenVPN) Ububtu 12.04

Following the steps described here I've managed to configure both the VPN server and client(I can ping both ways). Their respective configuration files are: server: ;local a.b.c.d port 1194 ;proto tcp proto udp push "redirect-gateway def1" ;dev…
Sebi
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OpenVPN and Routing and IPtables

GOAL: Access internal network devices and browse web via the tunnel. 192.168.2.x = internal network 192.168.3.x = openvpn server 192.168.2.111 = openvpn server on internal network [root@openvpn ~]# route Kernel IP routing table Destination …
user206999
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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 set up and working; clients can connect to a LAN…
jobu1324
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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 i can't access other machines on the same client…
MohyedeenN
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OpenVPN certificate whitelist instead of CRL?

is it possible to configure OpenVPN to use a certificate whitelist which contains allowed certificates insetead of a certificate revocation list (CRL) for disallowed certificates? Regards, Jochen
Jochen
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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: [FAILED] /var/log/messages…
Eero Aaltonen
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OpenVPN: TLS error

I am trying to connect a laptop running Linux Mint to a FreeBSD server running OpenVPN with no luck. I keep seeing TLS errors like this in the server log: Tue Sep 17 23:14:51 2013 us=127496 Authenticate/Decrypt packet error: packet HMAC…
Colin Brace
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Multiple Subnets on OpenVPN

Let me start of by saying that I/m new to posting questions here. So if I do no post enough information, please let me know. Let me know what more I should post. I'm using OpenVPN for my VPN solution. We're about to add more remote devices which…
Danny BoyWonder
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Can my ISP know that I am connected through a VPN?

I have a general understanding of VPNs and how they work. However, I am not sure of how the initial request is seen by my ISP? For example say I am connected to an OpenVPN provider, what happens when I open my browser and type www.yahoo.com Does it…
Alaa Masoud
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