[ale] IP aliasing and DMZ

[Keith Hopkins]

John Wells wrote:
> I'm using a laptop running Redhat as both a router and firewall for my home
> DSL connection.  This limits me to using two network cards (two pccard
> slots).

Why do you think that limits you to two NICs?  or, do you only HAVE two PCI slots available for NICs?

> 
> I'd like to create a DMZ with separate IP addressing to run a mail server
> and possibly an http server.
> 
> How secure is IP aliasing?  I know that DMZ's should be setup on their own
> network or subnet to protect the private network.  Will IP aliasing suffice
> in this situation, or will it simply provide a false sense of security?

You can add a second subnet to an exist card.  ifconfig eth1:1

-- 
Lost in Tokyo,
   Keith



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