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# $FreeBSD$ A Network Address Translation Daemon for FreeBSD 1. WHAT IS NATD ? This is a simple daemon based on FreeBSD divert sockets which performs network address translation (or masquerading) for IP packets (see related RFCs 1631 and 1918). It is based on packet aliasing package (see README.alias) written by Charles Mott <cm@linktel.net>. This package works with any network interface (doesn't have to be ppp). I run it on a computer having two ethernet cards, one connected to internet and the other one to local network. 2. GETTING IT RUNNING 1) Get FreeBSD 2.2 - I think the divert sockets are not available on earlier versions, 2) Compile this software by executing "make". 3) Install the software by executing "make install". 4) See man natd for further instructions. 3. FTP SITES FOR NATD This package is available at ftp://ftp.suutari.iki.fi/pub/natd. 4. AUTHORS This program is the result of the efforts of many people at different times: Archie Cobbs <archie@whistle.com> Divert sockets Charles Mott <cm@linktel.net> Packet aliasing engine Eivind Eklund <eivind@dimaga.com> Packet aliasing engine Ari Suutari <suutari@iki.fi> Natd Brian Somers <brian@awfulhak.org> Manual page, glue and bunch of good ideas. Happy Networking - comments and fixes are welcome! Ari S. (suutari@iki.fi)