Differences between version 2 and previous revision of NAPT.
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Newer page: | version 2 | Last edited on Tuesday, November 18, 2003 11:16:53 pm | by CraigBox | Revert |
Older page: | version 1 | Last edited on Tuesday, November 18, 2003 11:15:17 pm | by CraigBox | Revert |
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A derivative of [NAT], NAPT is all about taking incoming requests to an IP address and rewriting them to all go to a single IP address and port, based on what port they are aimed at. This leads to the common name of PinHoling (you poke a pin hole in your firewall, allowing all access on a certain port to statically map to a (potentially different) port on an internet machine, such as a public web or email server.
NAPT is defined in RFC:3022.
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+Because NAPT deals with ports, it only applies to [TCP], [UDP] and [ICMP].