single box handling multiple ips, how?

[Oliver Leitner]

On Friday 11 February 2005 02:54, Lowell Gilbert wrote:
> Ken Hawkins <ken at rosewoodblues.com> writes:
> > I do not know what the 'web1.a.net.' is about, more specifically he
> > .net"." (dot on the end). i took this for the initial setup that was
> > done on the box' initial entry in the /etc/hosts.
>
> It looks like a DNS map, but that's not what should go in hosts(5).

a view on my /etc/hosts

::1			localhost.localnet localhost
127.0.0.1		localhost.localnet localhost
192.168.xxx.3		thispc.localnet thispc
192.168.xxx.3		thispc.localnet.
192.168.xxx.2		pc02.localnet pc02
192.168.xxx.5		pc03.localnet pc03
192.168.xxx.8		pc04.localnet pc04

>
> > ok what am i doing...
> >
> > I have apache running on the box and would like to use 3 diffferent
> > IP's to try and keep (somewhat separate) the traffic, logging,
> > etc. for the Virtual Hosts that are running there.
> >
> > ultimately I will have;
> >
> > <ip address 1> resolve to -> website 1
> > <ip address 2> resolve to -> website 2
> > <ip address 3> resolve to -> website 3
> >
> > obviously they will bind to the same box but i would like to have them
> > to separate ip's to ease some maintenance on the box, redirect traffic
> > when needed, blah, blah.
> >
> > I know that I can Name more than one VirtualHost ie;
> > NameVirtualHost ???.???.???.151:80
> > NameVirtualHost ???.???.???.152:80
> > NameVirtualHost ???.???.???.153:80
> >
> > and then the normal VirtualHost directive via IP's but I want to make
> > sure that the box will answer to those ip's when we flip the DNS
> > switch.
> >
> > am i making sense? did i leave anything beyond the bind directive's out?
>
> Sure, it makes sense, but you're making it more complicated than you
> need to.  At the very least, you're making the description more
> complicated than you need to.
>
> Don't worry about virtual hosts on Apache until you have the DNS
> configured for the addresses.  And don't worry about the DNS until you
> have all of the IP addresses configured on the relevant interface.
>
> So the first step will be configuring the interface.  Verify this by
> pinging each of the addresses from outside.  The next step will be
> configuring the DNS, which you can test by pinging the distinct DNS
> name for each address in turn.  Then once that is working, you can
> configure Apache to handle IP-based virtual hosts for each address.
>
> Good luck.
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