Related:

• iron box: [UNIX/Internet] n. A special environment set up to trap a {cracker} logging in over remote connections long enough to be traced.
  May include a modified {shell} restricting the cracker's movements in unobvious ways, and `bait' files designed to keep him interested and logged on....
• firewall machine: n. A dedicated gateway machine with special security precautions on it, used to service outside network connections and dial-in lines.
  The idea is to protect a cluster of more loosely administered machines hidden behind it from {cracker}s....
• firewall machine n. A dedicated gateway machine with special security precautions on it, used to service outside network connections and dial-in lines.
  The idea is to protect a cluster of more loosely administered machines hidden behind it from crackers....
• back door n. [common] A hole in the security of a system deliberately left in place by designers or maintainers.
  The motivation for such holes is not always siniste...
• Venus flytrap n. [after the insect-eating plant] See firewall machine.
• flytrap n. [rare] See firewall machine.
• padded cell n. Where you put lusers so they can't hurt anything.
  A program that limits a luser to a carefully restricted subset of the capabilities of the host system (for example, the rsh(1) utility on USG Unix)....
• padded cell: n. Where you put {luser}s so they can't hurt anything.
  A program that limits a luser to a carefully restricted subset of the capabilities of the host system (for example, the `rsh(1)' utility on USG UNIX)....
• The Cuckoo's Egg: Clifford Stoll Doubleday 1989 ISBN 0-385-24946-2 Clifford Stoll's absorbing tale of how he tracked Markus Hess and the Chaos Club cracking ring nicely illustrates the difference between `hacker' and `cracker'.
  Stoll's portrait of himself, his lady Martha, and his friends at Berkeley and on the Internet paints a marvelously vivid picture of how hackers and the people around them like to live and how they think....