OpenBSD

This brief article provides a footnote on the configuration of an OpenBSD machine with two IPv4 addresses: 1.2.3.4/24 and 1.2.4.5/24. In this configuration, 1.2.3.4/24 is utilized as the machines address and an point for the tunnel, and 1.2.4.5/24 is forwarded to the remote machine within a dedicated routing domain. Furthermore, the machine in question has an IPv6 network aaaa:bbbb:cccc::/128. One address, aaaa:bbbb:cccc::eeee:ffff/64, is utilized inside the tunnel, while aaaa:bbbb:cccc::1/64 is used on the machine.

This article provides a footnote on how to set up an OpenBSD-based VPN client that can connect to a VPN server running by Unifi Network Solution on Unifi USG.

This article provides a guide for installing OpenBSD on a headless server without using KVM nor VNC. It assumes that you are able to boot the server in rescue mode, which is built over Linux. In additional this article presents the ready-to-use script which is available at http://install.catap.net.