On Tue, 11 Apr 2000, Steven Kerr wrote:
> I just need a pointer with IP Masq/IP Chains as I am confused
> regarding when these tools would be used.
For 2.2.x kernels, you would normally use ipchains.
See the ipchains howto at:
http://www.linux.org.au/LDP/HOWTO/IPCHAINS-HOWTO.html
specifically section 3.1 which has a simple example of masquerading.
Also have a look at the ipmasq howto:
http://members.home.net/ipmasq/
For security reasons, do not use an unpatched kernel version less than
2.2.12 for masquerading, and it would probably be a very good idea to
upgrade to 2.2.15 when it is released.
>
> Am I correct in saying that:
>
> IP Masquarading allows hosts to project themselves onto another
> network (private or public) with a different IP address.
Yes. Masquerading is a form of NAT (network address translation) where
the public gateway maps internal addresses to it's own external address
and manipulates ports to keep track of things.
- James
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James Morris
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