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RE: RE: NAT external/Public IP
From: "David Gillett" <gillettdavid () fhda edu>
Date: Mon, 29 Oct 2007 09:21:58 -0700

Without NAT you 
may require to inject external IP/subnet into the internal 
network. 

  No -- that's not how networking with TCP/IP works.

  Responses to those packets can almost certainly rely on 
default routing back to the Internet.

David Gillett


-----Original Message-----
From: listbounce () securityfocus com 
[mailto:listbounce () securityfocus com] On Behalf Of 
smarts_buy () yahoo com
Sent: Saturday, October 27, 2007 12:57 AM
To: security-basics () securityfocus com
Subject: Re: RE: NAT external/Public IP

My query is more abt the requiremnt for NAT the external IP 
coming into the enterprise network like bank. Without NAT you 
may require to inject external IP/subnet into the internal 
network. Does this pose any security risk? We do hide our 
internal IPs.



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