the bearded and bespectacled programmer named Paul Richter, which possibly inspired its later use.

One of the earliest commercially successful firewall and network address translation (NAT) products was the PIX (Private Internet eXchange) Firewall, invented in 1994 by Network Translation Inc., a startup founded and run by John Mayes. The PIX Firewall technology was coded by Brantley Coile as a consultant software developer. Recognizing the emerging IPv4 address depletion problem, they designed the PIX to enable organizations to securely