Code contributions courtesy of:
 * Richard Andrews <andrews@ntop.org>
 * Don Bindner <don.bindner@gmail.com>
 * Sylwester Sosnowski <syso-n2n@no-route.org>
 * Wilfried "Wonka" Klaebe
 * Lukasz Taczuk
 * Alaric Snell-Pym <alaric@kitten-technologies.co.uk>
 * Babak Farrokhi <babak@farrokhi.net> [FreeBSD port]
 * Logan oos Even