Synopsis # This chapter describes building reliable, scalable network services on OpenBSD: authoritative DNS with nsd(8) configured via nsd.conf(5) , validating recursive DNS with unbound(8) configured via unbound.conf(5) , IPv4 address allocation with dhcpd(8) configured via dhcpd.conf(5) , and time services with ntpd(8) configured via ntpd.conf(5) . Service lifecycle management uses rcctl(8) . Packet filtering allowances live in pf.conf(5) and are applied with pfctl(8) . Use these patterns ...