Yes DNS will work with your port forwarding assuming you have it set up correctly on your router.

Are you trying to be the authoritative DNS for your domain? If you are you will still need a secondary DNS.


        -Derek


At 05:56 AM 7/6/2006, Michael S wrote:
The "open" ports are simply port-forwarded from the router to my
internal network (NAT). And I only have one public IP.
For me the more important issue is whether DNS would work with private
IP addresses.


On 7/5/06, David Stanford <[EMAIL PROTECTED]> wrote:


On 7/5/06, Michael S <[EMAIL PROTECTED] > wrote:
> Hi all.
>
> I am trying to set up a DNS service. I have 2 FreeBSD machines, one's
> web and DNS (that I am setting up) and the other FTP. Both machines
> are behind a router and get local addresses (i.e. 192.168....). If
> DNS, FTP and web ports in the router are open, will I be able to set
> up the DNS in a way such that when someone from the outside types
> www.mydomain.com, he'll be taken to the machine that runs apache, and
> when he types ftp.mydomain.com he'll be taken to the machine which
> runs ftp?
> By the way simply typing ftp://mydomain.com and http://mydomain.com
> does the trick, but I want it to work with prefixes too.
>
> Hopefully my question isn't too confusing.
>
> Thanks in advance.
> Michael
>

Hi Michael,

You'll have to clarify "open" regarding the WEB, DNS, and FTP ports on the
router. Are they simply port-forwarded to the internal servers (meaning
based on service ports) or do you have one-to-one NAT mapping a public IP to
an internal for each server? If it's the latter, and each machine has its
own public IP, then you can simply set DNS to point to each server
respectively:

www.mydomain.com -> publicIP1 -> privateIP1
 ftp.mydomain.com -> publicIP2 -> privateIP2

The real question is whether you have a block of public IPs or just one. But
to be honest, you can probably get away with just having a single public IP
and using port forwarding as most browsers (including Firfox and IE)
recognize the "ftp" and "www" subdomains and automatically adjust to that
protocol.

i.e. ftp.somedomain.com will automatically be translated to
ftp://ftp.somedomain.com (ftp.freebsd.org ).

-David
--
[EMAIL PROTECTED] ~]# fortune
Happiness is just an illusion, filled with sadness and confusion.
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