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NAPT
Last modified: Friday, April 15, 2005 

NAPT, or Network Address Port Translation, is a method by which many network addresses and their TCP/UDP (Transmission Control Protocol/User Datagram Protocol) ports are translated into a single network address and its TCP/UDP ports.  NAPT allows mapping of tuples of the type (local IP addresses, local TU port number) to tuples of the type (registered IP address, assigned TU port number). NAPT is defined in the RFC3022 section 2.2.

See also NAT.

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For internet.com pages about NAPT . Also check out the following links!

Related Links

RFC3022 
The NAT operation described in this document extends address translation introduced in RFC 1631 and includes a new type of network address and TCP/UDP port translation.

The Internet Engineering Task Force (IETF) 
Home page of the Internet Engineering Task Force (IETF), the protocol engineering and development arm of the Internet. Their page offers information about the organization, as well as links to working groups, topics, mailing lists, meetings, and proceedings.

related categories

Internet Protocols

Security

Standards

related terms

firewall

ICS

IP address

NAT

stateful inspection

static

tuple


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