Network address translation (NAT) is an network technique that allows that a public IP can be shared by many private hosts(machines).

learn more… | top users | synonyms

23
votes
5answers
5k views

Virtualbox DNS stopped working on upgrade to 12.10

I have a Debian image setup on Virtualbox that uses the default NAT to access the internet. It was working fine before I upgraded to 12.10. After I upgraded the DNS lookups no longer work. I still can ...
3
votes
2answers
22k views

Configuring Ubuntu vmware guest NAT

I have a Windows host that runs guest Ubuntu VM via vmplayer. That virtual machine will be cloned, distributed among several people (running Windows hosts) and used for conducting a programming ...
3
votes
1answer
7k views

How to share internet access between Ubuntu and Windows guests OS in VirtualBox?

Using VirtualBox. There's two Virtual Machines, Ubuntu 10.04 and Windows 7. On Ubuntu: There's two ethernet interfaces. Bridge interface (eth0) who can access the internet. ping www.google.com ...
3
votes
2answers
18k views

Configure Nat in Ubuntu 12.04

I want to configure NAT for my network of 10 computers so that the data is transmitted via a single pc. Can anyone give a good tutorial for it?
4
votes
1answer
3k views

sharing internet between network interfaces

I have a laptop with lubuntu 11 with two network interfaces, wireless and wired. Wireless interface connects to the router with DHCP and provides access to the internet. The wired interface has a ...
49
votes
7answers
3k views

What are the risks of NOT using a firewall (home computer)?

Since a password is required to be a superuser (to install and modify programs), what are the risks to not use a firewall under Ubuntu ? More particularly if I am using a NAT router ?
3
votes
1answer
6k views

how to connect to a remote desktop behind a router?

Here's my setup: I have a laptop that I roam around everywhere with, and I have a desktop computer at home that is connected to the web using a router with NAT. My objective here is to create an SSH ...
0
votes
2answers
6k views

NATTING in Ubuntu Server

My Server has two NIC, One is connected to the Internet Service provider with dhcp ip (dynamically change) given by ISP and other NIC is connected with local Switch with 192.168.1.1 IP. Now I want to ...
2
votes
1answer
529 views

Is it possible to setup a DHCP server only for local virtual machines?

I have a quick question. I have a bunch of virtual machines (VMWare Workstation) running on an Ubuntu server and have found that VMWare NAT (DHCP) service is unreliable and slow. I have to use NAT ...