NAT solves the problem of shortage of IPv4 addresses. Only by accident, does it have security properties. The appropriate countermeasure is a firewall. |
dc:description | Network Address Translation, an Internet standard that enables a local-area network (LAN) to use one set of IP addresses for internal traffic and a second set of addresses for external traffic. A NAT box located where the LAN meets the Internet makes all necessary IP address translations. NAT security purpose: to provide a type of firewall by hiding internal IP addresses. (Webopedia) |
Class(NAT partial restriction(protects allValuesFrom(intersectionOf(_Prevention _Confidentiality _HostOnIntranet))) restriction(protects someValuesFrom(intersectionOf(_Prevention _Confidentiality _HostOnIntranet))) TechnologyMistakenlyUsedAsCountermeasure SecureNetworkCommunication Standard)