[pmfirewall] Public Static Address <-> Private Static Address

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From: Tom Lockwood (lockwood@acm.org)
Date: Thu Dec 21 2000 - 18:22:40 PST


I have installed pmfirewall and it works. That is I can surf the Internet
from the private network just fine. I am new to this program and need to map
a series of static public addresses to a series of static private addresses
so that data (actually they are print jobs) can be sent from to public side
of the network to network printers on our private network. It is not my job
to figure out how to send the print jobs, I only need to do a translation
from a static public to a static private address.

Explanation:
I can give eth0 five static public addresses (as aliases).
I can give eth1 five static private addresses (as aliases).

But how do I do the mapping?

Example:

Public Address Must Be Translated To Private Address
198.110.164.13 <--------------------------------> 10.1.5.13
198.110.164.14 <---------------------------------> 10.1.5.14
198.110.164.15 <---------------------------------> 10.1.5.15
198.110.164.16 <---------------------------------> 10.1.5.16
198.110.164.17 <---------------------------------> 10.1.5.17

I believe the communication should be bi-directional.

I am assuming that assigning aliases is the way to go, I really don't know.
I've read so much about port mapping and redir and a bunch of other stuff
that I have no experience with that I would really appreciate any input that
any of you have.

Sincerely,

Tom Lockwood
Technology Director, Hemlock Public Schools
Phone: 517-642-5287 mailto:lockwood@acm.org

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