airwall

English

Etymology

air +‎ wall, by analogy with firewall, than which it is more secure.

Noun

airwall (plural airwalls)

1. (computing) The notional part of a network configuration which isolates computers physically from connection to a wider network such as the Internet.

   Synonym: air gap

2. (computing) 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.