This impenetrable tunnel prevents criminal organizations, your ISP or even your government from spying on your communications. Perfect Forward Secrecy - Through Diffie-Hellman key exchange DHE. After the initial key negotiation, re-keying is performed every 60 minutes (this value can be lowered unilaterally by the client). Additional connection types, supported by every Air VPN server, for ISPs or countries disrupting OpenVPN, are OpenVPN over SSH, SSL or Tor. Make it impossible to identify...