The history of the creation and development of OPNsense - a branch of the pfSense project that became an independent and actively developed open-source solution. We look at the reasons for the fork, the philosophy of the project, key stages of development, and how OPNsense differs from other open-source routers.
Split DNS - configuring domain names with different resolution for the internal network and the internet. Operating principles, advantages, and usage examples.
An overview of the advantages and disadvantages of virtualizing a router (OPNsense, pfSense, MikroTik CHR) in Proxmox VE - when it’s worth it and when it’s better to keep dedicated hardware.
A step-by-step guide to configuring DNS over HTTPS (DoT) in OPNsense for secure and encrypted domain name resolution. Covers configuring DNS services, setting up certificates, and verifying operation on client devices.
A detailed guide to installing and configuring Kea DHCP in OPNsense. Covers configuring DHCP servers, managing IP address ranges, setting up static assignments, and verifying network operation for reliable and flexible address allocation.