jollyluke

Hi all

I have opened an account on dyndns.org for using Dynamic DNS. First of all,
I have to say that I'm a newbie so maybe I will tell incorrect things.
Well, one of the thing which is not very clear to me is the hostname to use
on the server. On dynds.org I registered bluto.dyndns.org. This is my doubt:
what hostname must I set? Just "bluto"? Or "bluto.dyndns.org"? Or it's just
my choice?

Another thing. Does it make sense to set up a dns server for the LAN? And in
this case, the zone files should be on the bluto.dyndns.org zone? And again,
client pcs (two windows and another Linux) should have dyndns.org,
bluto.dyndns.org or it does not matter?

Hope someone can help me

Gianluca

ivan marsh

Dyndns doesn't care what the hostname or domain of your local LAN is. You
can set both to whatever you like.

You can set your machine to seahag.jeepjeep.com and dyndns will still
point internet machines to your address using bluto.dyndns.org.

The only issues you should run into is the registered name in any ssl
certificates you might use, because ssl reports the remotely resolved name
to the client. So, if you build your certificates with seahag.jeepjeep.com
and the client is going to bluto.dyndns.org to get to your machine the
client will report that the names don't match.

That depends on how big your LAN is and how much you want to set up bind.
If you're only talking about a few machines it would probably be easier to
put your local machines in your host files rather than setting up a DNS
server.


--
"Blessed is he who expects nothing, for he shall never be disappointed."
Benjamin Franklin (I didn't know he was a Buddhist)

steve welsh

Bind is one of the easiest things I ever set up on my Linux server -
just follow the HOWTO

Also, considerable improvements in resolution times.

Steve

ivan marsh

True... it is quite easy to set up... but host files are easier.


It's impossible for a DNS server to resolve faster than host files. Your
machine always checks the host files before it does a DNS lookup.

--
"Blessed is he who expects nothing, for he shall never be disappointed."
Benjamin Franklin (I didn't know he was a Buddhist)

netocrat

You're assuming that the host exists in the host file. If not, then a
local DNS server lookup will very likely be faster than an external query.

Follow ups set to a.o.l.

--
http://members.dodo.com.au/~netocrat

enkidu

Unless the order has been changed in the resolver.

/etc/host.conf on Debian

Cheers,

Cliff


--

Barzoomian the Martian - http://barzoomian.blogspot.com

enkidu

The hostname is *just* a host so it should be bluto (or any
name with no ".").

Other people look up dyndns.org's DNS servers to get your IP
address. The IP address is what is used by remote machines
to send packets to your machine. Once the remote machines
have your IP address is, they don't care what the Domain Name is.

Until you are more knowledgeable, I should do what others
suggest and use the hosts files. In your own network, you
can call your machines whatever you like, popeye, oliveoil,
sweetpea, wimpy. Those are their *host* names. You can give
them fully qualified Domain Names too, such as
bluto.mynetwork.local, or bluto.dyndns.org. It's up to you.

You don't explain how your network is connected to the
internet. The implication is that bluto is visible on the
Internet. I hope it is protected in some way! And what of
popeye and oliveoil? Do they connect through bluto?

Cheers,

Cliff

--

Barzoomian the Martian - http://barzoomian.blogspot.com

jollyluke

Sorry I know that I did not explain all details, that's because first of all
I wanted to understand the concepts in my former post. Thank you and all
other guys who replied to my post.

Well, actually I want to use bind just to play around with it, because I
want to practise the most important things in linux. I already set up dhcp
correctly, I also configured an iptables script and now I wanted to play
with dns. My linux machine is connected to my home LAN on eth0 and with a
Netgear Firewalled Router on eth1 through different class private ip
addresses. The Netgear router has the public dynamic address. The rest of
the LAN connects to the Internet through bluto.

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