Re: (ASCEND) NAT and firewalling

[Christian Vogel <chris@obelix.bene.baynet.de>]

Hi,

>I've got a customer that wants to use NAT _and_ wants to select an IP that
>appears to the rest of the world.  In other words, say I assign them 1.2.3.4
>as an address.  They use NAT so their 16 addresses don't show to the world.
>But they'd like ONE of their boxes to show up as 1.2.3.4 to the world.  For
>example, if they telnet to 1.2.3.4:80, it forwards to host 4.3.2.1 on their
>local network.

You can assign static NAT-entries in many NAT-able devices.
Their machine does not get 1.2.3.4, but (assume 192.168.1 is their internal
net) maybe www gets forwarded like

1.2.3.4:80 -> 192.168.1.2:8080 (www to nonstandard www-server)

telnet like

1.2.3.4:23 -> 192.168.1.3:23   (telnet to machine with shell-accounts)

(...)

	Christian Vogel

Buergernetz Neumarkt * http://www.bene.baynet.de
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---

References:

• (ASCEND) NAT and firewalling
• From: "Neal Rigney" <neal@pernet.net>

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