In the previous posts, I introduced overlay mesh networks and demonstrated how I set up my first Tailscale VPN account, connected devices to my Tailnet, and tested connectivity between peers including troubleshooting direct versus relayed connections. You can find links to the previous posts at the …

In the previous post, I wrote an introduction about overlay mesh networks, covered traditional and mesh VPN technologies, described the high-level working procedure of mesh VPNs, and compared the two major mesh VPN technology providers. You can find the link to the pervious post at the end of this …

In order for devices to communicate with each other, they need some sort of: Direct connectivity (being in the same L2 LAN), Routed network (a properly defined route between the different LANs), or VPN connectivity (different LANs connected using some sort of VPN technology). Same LAN connectivity …

Connecting CloudStack VPC to an on premises or remote pfSense firewall via a site to site IPsec VPN allows secure communication between cloud virtual machines and local infrastructure. Under the hood, CloudStack Virtual Routers use strongSwan (specifically the charon IKE daemon) to establish and …

A site to site IPsec VPN connects two distinct networks across the internet securely, allowing hosts on both sides to communicate as if they were on the same local network. In this post, we will walk through configuring a policy based site to site IPsec VPN on pfSense using IKEv2, configuring Phase …