![]() # cp -ar /usr/share/easy-rsa/2.0/* /etc/openvpn/easy-rsa/ Make a directory /easy-rsa/keys inside the /etc/openvpn directory. The easy-rsa scripts are located by default in the /usr/share/easy-rsa/ directory. Now we will have to generate Keys and Certificates Using easy-rsa, for that install easy-rsa using yum: # cp /usr/share/doc/openvpn-*/sample-config-files/nf /etc/openvpn Install OpenVPN using yum # yum install openvpn -yĬopy the configuration file to its destination: So, we should install the “EPEL” repository in order to install OpenVPN and its dependencies. OpenVPN and it’s dependencies are not available in the CentOS default repositories. And check the output of below commandĬat: /dev/net/tun: File descriptor in bad state It is capable of traversing network address translators (NATs) and firewalls.įirstly, verify if VPN interface(tun0) is created using ifconfig command: It uses a custom security protocol that utilizes SSL/TLS for key exchange. OpenVPN is an open-source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities.
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