multiple ip's?

[Gene Heskett]

On Tuesday 18 May 2004 01:59, Michael wrote:
>I'm running Core 1 on one of my servers and I need to run multiple
> IP addresses on the same interface. Is there a standard way to do
> that in Fedora?

I don't know as there would be anything special about "fedora".  The 
usual way is to cobble up a fresh script 
in /etc/sysconfig/network-scripts for the second address, and use not 
eth0 but eth0:n(where n=1, 2, 3, etc) in that particular ifcfg-eth(n) 
script.  Then bring it up, or do a 'service network restart'.  There 
is a section in the manpage for ifconfig? on how to do that IIRC.

One could run an instance of iptables to connect two different subnets 
that way, but I'd think it wouldn't take a hacker long to figure out 
a way around that.  OTOH, I sometimes ran my office machine that way, 
using the eth0:1 as a path into the local net when I actually had an 
outside, dns registered address.  I also ran portsentry for a guard 
dog/notifier and while hosts.deny looked like the LA phone book, 
nobody ever actually got in that I didn't give an account to.

-- 
Cheers, Gene
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