You need NAT if you have more machines you want to connect to the internet than PUBLIC ip adresses.
If you have a home config, you probably only have one address. If you want to connect more than one machine to the internet simultaneously you need to do NAT. If you don't, traffic coming from machines on your lan with private IP's cannot be routed on the internet. Elton On Wed, 31 Dec 2003, Ian Truelsen wrote: > I have been trying to figure this out with google, but the answer is > still a little less than clear, so I thought I would bother you good > folks. > > I have been trying to figure out whether NAT adds any additional > functionality that I could not get with comprehensive iptables rules. In > other words, if I were to specifically forward those ports that I needed > from the firewall to the correct internal machines and then do the same > for outgoing traffic, do I have to have to have NAT active on the > firewall box? > > -- > Ian Truelsen > Email: [EMAIL PROTECTED] > AIM: ihtruelsen > Homepage: http://www.ihtruelsen.dyndns.org > Signature key (742B740D) available at pgp.mit.edu > > -- [EMAIL PROTECTED] mailing list
