There is a review of "Building Linux Virtual Private Networks (VPNs)", Oleg Kolesnikov/Brian Hatch, 2002 here: http://catless.ncl.ac.uk/Risks/22.48.html#subj13 Such a glowing review from Rob Slade is a rarity. Sadly the library doesn't seem to have the book. Time for a trip to SoftPro. Dave