airwall
nounEtymology From air + wall, by analogy with firewall, than which it is more secure.
1
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences The notional part of a network configuration which isolates computers physically from connection to a wider network such as the Internet.
2
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A secure networking solution that uses Host Identity Protocol to make the network invisible to hackers while still allowing endpoints to communicate with the broader network.