FreeBSD and BSD in general are Unix systems of outstanding stability and security, and are therefore very popular among network administrators. In practice, with FreeBSD, you do not have to worry much about security issues of the software that you install, but you may not always get up-to-date versions.
FreeBSD also has a modern software management system. Simply type
pkg_add -vr openvpn and OpenVPN software is installed on your system. Calling
pkg_add with the parameter
-r installs software from remote servers, similar to
rpm. If you run into problems, increasing verbosity with the parameter
-v can be helpful.
The following excerpt shows the output of
freebsd# pkg_add -vr openvpn looking up ftp.freebsd.org ...