VPN (Virtual Private Network).
Testissä: Allied Telesyn CentreCom AT-AR320S, Filanet Interjak 200, Nokia CryptoCluster 500, Sonicwall Soho3, Symantec Firewall / VPN Appliance 200R (ja 100), WatchGuard Firebox 700 (ja Soho tc), Zyxel Zywall 50 (ja Zywall 10).