Linux FAQ resource and tutorials

This blog features Linux FAQs, hands-on tips and detailed tutorials on Linux software, Linux networking, security, virtualization and cloud computing.

How to create a site-to-site IPsec VPN tunnel using Openswan in Linux

A virtual private network (VPN) tunnel is used to securely interconnect two physically separate networks through a tunnel over the Internet. Tunneling is needed when the separate networks are private LAN subnets with globally non-routable private IP addresses, which are not reachable to each other via traditional routing over the Internet. For example, VPN tunnels […]
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