I've been working with FreeBSD Cisco for 7 years, confidently setting up and administering the following: - FreeBSD. - Nginx. - Apache. - Squid. - IPFW. - Nagios. - Monit. - NRPE. - MySQL. - VirtualBOX. - ZFS file system. - Bind. - Samba. - Postfix. - Dovecot. - Shell. - PHP. - Cisco. - Vlan. - Port security.