some networking questions, I'm slightly confused
gnowak1 at uic.edu
Wed Dec 5 19:38:03 EST 2001
Well, I'll actually be running a mail server for the building in which I live.
Instead of being regularly payed, my current connection will be free, and I'll get a second free connection
They're running t1 over here through this HP networking gizmo that
plugs into the phone jack, and has an rj45 jack on it.
The reason I'm asking about the dns stuff is because
when I told the guy that I've looked at the mail admin docs, and am seriously considering running the server,
his response to me was:
"so, I'll need to get you a domain with primary and secondary dns servers."
I said yes to this, but am carious about how his dns servers will know where I exist
since he didn't ask for the name of my box.
I guess when he tells me he's got things set up,
my first question to him will be,
"what name do the dns servers know my machine by?"
He's macroslop licensed, but not meaning to brag,
I get the impression that I may know more then he does without a license.
In case some of you reading my post now are remembering a few of my other posts, I decided
that getting my own domain name wasn't worth it.
He said that I could run a small web server here if I want. So, I don't think he'd
have a problem with me running it as http://mybox.domain.
This whole thing started when I got my service, and he came here to get it all setup.
Not only was he impressed that I was the only one in the building so far running anything other then windblows, but that it was Linux.
After my configuring tcp/ip both in windows and in Linux while he just watched me do it and gave me my ip address and all the other stuff,
I asked if I would get a mail account.
He said no, because there is no body to run one yet.
Then he tentatively asked if I would be willing to perhaps do it, I said I'd read the mailadmin docs and think about it,
and you know the rest.
He's also looking to hire someone to run apachee.
But, I'm not touching that for now (grin).
Sorry for the long and personal post, but since Geoff asked,
I figured that some other people on this list may be wondering
why I'm asking theese questions, some of which may sound
dumb, but are for the most part so that I could make sure that what
I know is actually correct.
On Thu, Dec 06, 2001 at 09:29:48AM +1000, Geoff Shang wrote:
> On Tue, 4 Dec 2001, Gregory Nowak wrote:
> > 1. Say there is a primary and secondary dns servers on a domain called mydomain.
> > Say also that there is a machine called mybox.
> > Also, I have ip addresses for primary and secondary dns servers on mydomain.
> > Assumming all of the above, and assuming that I have permission to officially be on mydomain which is a valid internet domain,
> > what do I do on mybox so that it would be resolvable
> > as mybox.mydomain on the net?
> Nothing. It's the primary and secondary DNS servers that control how your
> host is resolved, not your box. As long as mybox has the IP address that
> ns1.mydomain.com and ns2.mydomain.com think it has, you should be good to
> > 2. Say that I have to nics with 2 static ip address for the outside world.
> > How do I set things up so that my box would use both
> > nics for outside access instead just either one nic or the other?
> As Chris said, what comes in where will depend on what address it is sent
> to. What goes out where depends on a few things. If you want to use one
> interface to access a particular host or network, you can set up a route
> accordingly. If you want to access everything with both, you might be able
> to put 2 default routes (i've seen it done but don't know if it works and
> if it's supposed to work). I saw you've been looking at bonding which
> might also work, but I don't know about it.
> Can I ask, why you have 2 NICs? Is it just to get 2 addresses or are you
> connected to 2 networks?
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