NEW! Demo the NetNAT!
The Net NAT
Internet Firewall
The Net NAT is the 32-bit version of our NAT product that has ethernet
interfaces only. We have shipped versions with from two to four
ethernets. The two-ethernet versions perform pure NAT functions,
while extra ethernets give the administrator the ability to segment
the local network without having to buy an expensive multi-ethernet
router from another vendor.
The drawing at left illustrates the use of the Net NAT with two ethernet
interfaces. The Public interface is on a Public Segment, which uses a
router to connect to the Internet.
The Private interface is on your Intranet. The devices on your
Intranet use the NAT as their "default gateway" to the outside
world. The topology and computer makeup of your private Intranet
are invisible to all in the Internet.
Public vs Private Interfaces
We call the interface that the Internet can see the "public" interface.
This is the one with a registered address, usually loaned to you by
your Internet Service Provider. We call the interface or interfaces
that attach to your local intranet "private" interfaces. Private
interfaces may use most any IP Network Addresses that you wish,
including those registered to others, although we encourage the use
of those specified in Internet Standard
RFC 1597. No addresses from your "private" network will be
seen by the outside world. If desired, and if you have multiple
private ethernet interfaces on your Net NAT, your private networks
may "see" each other without restriction. This feature allows you
to subnet your intranet very inexpensively.
Competition Comparison
In the NAT world
our competition is Network Translation Inc, which manufactures the
Personal Internet Exchange (PIX). We have each been shipping since
1994, except that our products have evolved with the needs of the
Internet community. A feature and price
comparison is provided for your reading.
Model Lineup
Current Models of the Net NAT product are:
- The NN1-2E-Enterprise with 2 combo ethernets.
Ideal for the user with an existing Internet connection.
- The NN1-3E-Enterprise with 3 combo ethernets.
Ideal for the major user with an existing Internet connection.
This page was last modified on February 9, 1998.
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