@book{CampoPohlmann, author = {Campo, Markus a and Pohlmann, Norbert}, title = {Virtual private networks. Secure remote access, tunneling im Internet, wirtschaftlicher Einsatz von VPNs}, edition = {2., aktualisiert}, publisher = {mitp}, address = {Bonn}, isbn = {978-3-8266-0882-7}, publisher = {Westf{\"a}lische Hochschule Gelsenkirchen Bocholt Recklinghausen}, pages = {398}, language = {de} }