UbuntuHelp:OpenVPNClientMiniHowto

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https://help.ubuntu.com/community/OpenVPNClientMiniHowto

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The following is no longer true at least for Feisty, 2.X version is in the universe repository. Also, for configuring client side, network-manager-openvpn can become very handy. I leave the original page underneath in case anyne needed it. OpenVPN version 1.x is available in the universe reposiroty. apt-get install openvpn will do the necessary. Although OpenVPN version 2 is still at beta stage at the time of writing, it is already in use quite widely (my employers have been using it for a while on both windows and linux clients). If you want (or need, as release 2 has some functionality not in version 1) to go for version 2. You can download the source code from here: http://sourceforge.net/projects/openvpn/ You'll need to install a couple of packages that the confiure script looks for:

apt-get install libssl-dev liblzo-dev

Unzip the source file and change directory into the newly created openvpn-2.0_rcXX directory (where XX is the current release number), then it's just a case of

./configure
make
sudo make install

That's about it, now you just need to set up your config file and certs somewhere convenient

sudo mkdir /etc/openvpn

and then specify your config file as a command line argument

openvpn --with-config=

notes

for it to work properly you need the tun module in your kernel

• make sure the firewall allows vpn
• instructions for creating a tap

If you just want to connect to a microsoft based VPN, you probably don't want to use OpenVPN. See https://help.ubuntu.com/community/VPNClient