comprehensible tutorials for every day use:
Bloqueando ataques "brute-force" com PF
Firewall com PF
Filtro de pacotes (pf) do OpenBSD (em português)
dica importante (ftp-proxy) para firewall com PF
Firewalling with OpenBSD's PF packet filter
links diversos para 'afinação' do sistema (syslog.conf, sysctl.conf)
Building a FreeBSD Build System
Handbook:
http://www.freebsd.org/doc/en/books/handbook/
danilo's blog
Unix Toolbox
Software Raid HowTo - FreeBSD
Vlans:
http://under-linux.org/b373-implementando-private-vlans-em-um-switch-cisco
http://www.fug.com.br/historico/html/freebsd/2007-05/msg00248.html
backup com bacula:
FreeBSD: NIC Bonding / Link Aggregation / Trunking / Link Failover Tutorial
