We help IT Professionals succeed at work.

We've partnered with Certified Experts, Carl Webster and Richard Faulkner, to bring you two Citrix podcasts. Learn about 2020 trends and get answers to your biggest Citrix questions!Listen Now

x

Linux as a gateway

jesmond
jesmond asked
on
Medium Priority
208 Views
Last Modified: 2010-03-18
How would linux be set up to be used as a gatway for a set of pcs to use the internet using a private non existing class (eg: 192.168.0.1)
Comment
Watch Question

Commented:
The answer is really long.

ok i try with the shortest (otherway ask me more details)

1) set the kernel like "ip masquerade" and "ip forwarding"
2) make the kernel and modules (for the ftp you need to load
   a/some module)
3) set the masquerade ip for your network with the command
   ipfwadm.
   (ex:
       ipfwadm -F -p deny
       ipfwadm -F -a masquerade -P tcp -S my_network -D 0.0.0.0/0
       ipfwadm -F -a masquerade -P udp -S my_network -D 0.0.0.0/0
    )and put this in /etc/rc.d/rc.local if you have slakware
    or other startup file.
4) and of course set your connection to internet with ppp
   or a network card.
5) on your private network only the tcp and udp (not ping,
   but yes for traceroute) can be used for pass through the       firewall (this is what we did now)

and finally you have to configure the single pc for:

gateway = address_of_linux_on_your_network
dns = the_dns_you_have_from_the_provider

Not the solution you were looking for? Getting a personalized solution is easy.

Ask the Experts
Access more of Experts Exchange with a free account
Thanks for using Experts Exchange.

Create a free account to continue.

Limited access with a free account allows you to:

  • View three pieces of content (articles, solutions, posts, and videos)
  • Ask the experts questions (counted toward content limit)
  • Customize your dashboard and profile

*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

OR

Please enter a first name

Please enter a last name

8+ characters (letters, numbers, and a symbol)

By clicking, you agree to the Terms of Use and Privacy Policy.