How to install OpenVPN on CentOS 7 linux

In the series of tutorials about installing various tunneling technology, we reach to show how to install OpenVPN on CentOS 7 linux. OpenVPN is an open-source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. In this tutorial, we plan to authenticate users by combination of username and password. also another […]

How to setup GRE tunnel in CentOS 7 linux

In today article, we want to show how to setup GRE tunnel in CentOS 7 linux. as you may know, GRE stands for generic routing protocol, created by Cisco and is a tunneling protocol that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links or point-to-multipoint links over an Internet Protocol […]