#freebsd Articles

A comprehensive guide to configuring PF on FreeBSD, covering core concepts, practical configurations for jails and dual-stack networking, and advanced techniques including brute-force protection and bastion host setups with authpf.

A clean approach to integrating FreeBSD 15 into a FreeIPA realm using native components - Kerberos for authentication, LDAP for identity, and no local user management.

Running CryptPad in a FreeBSD VNET jail with isolated networking, NAT via PF, and Caddy for TLS termination.

A technical deep-dive into running a modern, secure mail server on FreeBSD 15.0 using VNET jails, ZFS encryption, and GeoIP-aware firewalling.

Using MaxMind’s GeoLite2 database with FreeBSD’s PF firewall to restrict client-facing services to specific countries, reducing brute-force attempts and log noise while keeping essential services globally accessible.