Date: Wed, 5 Jul 2006 22:51:59 -0400 From: "David Stanford" <dthomas53@gmail.com> To: "Michael S" <msherman77@gmail.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: DNS beginner question Message-ID: <f2c91f770607051951s1864cf65j5443d90611368b@mail.gmail.com> In-Reply-To: <d5f57b9c0607051906g2b0f71b1h280594cd73d4a73@mail.gmail.com> References: <d5f57b9c0607051906g2b0f71b1h280594cd73d4a73@mail.gmail.com>
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On 7/5/06, Michael S <msherman77@gmail.com > 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 -- [root@fbsd ~]# fortune Happiness is just an illusion, filled with sadness and confusion.
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