[NBLUG/talk] Re: IP aliases, effect on security?

Ron Wickersham rjw at alembic.com
Wed Feb 12 23:43:01 PST 2003

hi Daniel,

i run up to 16 ip addresses on a single interface, and at the same time
run up to 8 name-based domains on some of these ip address.   this is on 
single, dual and 4-processor sun sparc boxes running mostly Solaris 8 but
a couple of the uniprocessor boxes are still running SunOS 4.  

the reasons vary for the choices, but in this environment i have 
simultaneous connections to two isp's and for long term load balancing, 
move domains from one pipe to the other from time to time, by moving 
content to a server on a different network.  in addition, portions of 
some sites, such as images are run from servers in other parts of the 
country while the text and scripts are run locally in Santa Rosa.  

so you don't have to choose ip based or name based, you can run both at
the same time.


On Wed, 12 Feb 2003, Daniel Smith wrote:


> A quick poll, if that is ok with folks here.  I'm
> curious as to what a sampling of experienced network
> admins will reveal.
> For those of you with multiple domains on one box,
> do you have:
> * single ip, name-based hosting?
> * multiple ip off of one physical interface?
> * multiple User Mode Linux (virtual) machines?
> * we run 8 ethernet controllers, and we try to keep all
> of the cables straight...
> * it gives me a headache, so I simply buy a new box
> for each domain!
> thanks all!

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