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From "Swapneel Dange" <s_da...@hotmail.com>
Subject RE: changing the IPaddress !
Date Sun, 16 Feb 2003 19:02:55 GMT
thanx john and chong for all the info u guys gave me about the DNS. i will 
try to work on that and if i get stuck somewhere, may be i will again shoot 
some quesions to u guys !

Swapneel Dange
505-642-4126
http://www.cs.nmsu.edu/~sdange








>From: "Turner, John" <JTurner@AAS.com>
>Reply-To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
>To: 'Tomcat Users List' <tomcat-user@jakarta.apache.org>
>Subject: RE: changing the IPaddress !
>Date: Sun, 16 Feb 2003 01:00:05 -0500
>
>
>It is possible to have internal DNS without having to register any domains
>with an Internet domain registrar.
>
>Many organizations run an internal DNS that never touches the public
>Internet.  As long as you have a server willing to serve requests for a
>particular domain, and clients know to query that server for resolution, 
>you
>can have a functioing domain name resolution system, all without 
>interfacing
>with public servers.
>
>John
>
>
>-----Original Message-----
>From: Chong Yu Meng [mailto:chongym@cymulacrum.net]
>Sent: Saturday, February 15, 2003 11:19 PM
>To: Tomcat Users List
>Subject: Re: changing the IPaddress !
>
>
>Hello Swapneel !
>
>In a typical scenario, your computer or server will have a name, for
>example , www.swapneel.org. This DNS name will exist on a DNS server
>somewhere on the Internet, and it would have been registered under
>InterNIC (or Verisign now, isn't it ?). Anybody anywhere in the world
>will be able to open a browser and key in "www.swapneel.org" and be
>automatically directed to your server. If the server that is
>www.swapneel.org runs Tomcat, the browser will be able to run servlets
>and JSPs and display "www.swapneel.org/some_directory/some_servlet" in
>the URL.
>
>If you have not registered  a domain with InterNIC/Verisign, or if your
>DNS record does not exist on the Internet, nobody can access
>"www.swapneel.org" because, to all intents and purposes, it does not
>exist on the Internet.
>
>If you have a cable/DSL/dial-up connection, you may have a
>permanent/temporary IP address, and I am assuming that you want to turn
>that IP address into a URL like www.swapneel.org. Well, that isn't
>possible unless you have registered your name with Verisign/InterNIC,
>have a permanent IP address or a temporary address with a service like
>DynDNS. In Apache, you can define the ServerName directive as
>"www.swapneel.org", and it will return that URL in the browser when
>people access your site using your IP address, but the next time they
>key in "www.swapneel.org", they will get -- nothing ! Because that
>server and domain does not exist in any DNS records.
>
>I hope this clears up some of your confusion. As you may have noticed,
>this is not a Tomcat issue, but a network one. If you have difficulty
>understanding what I have written above, you may want to post your
>question on a networking mailing list, read books on TCP/IP and DNS, or
>-my recommendation- find someone in your organization who may have
>worked for an ISP before. They'll explain how it works. There is no easy
>way to explain this in an email. I personally had to setup 2 computers
>in my office in my previous employment, setup a DNS server and show my
>trainees how the whole process worked, and even then, they understood
>with some difficulty.
>
>Regards,
>chong
>
>
>
>
>Swapneel Dange wrote:
>
> > john !
> >
> > i guess what ur saying is making sense to me like i should set up the
> > DNS on my comp as mine will be the NATIVE MACHINE , which will be used
> > to run the SRVLETS( so the idea of changing the DNS makes sense here)
> > but when my clients will access the servlets from the remote machine,
> > i am not sure what type of machines they wil be using so thats why i
> > am not sure as to how can u setup a record for the DNS of all the
> > machines in the world which will try to access the SERVLETS i am
> > running here.
> >
> > can u explain me something on this issue !
> >
> > Swapneel Dange
> > 505-642-4126
> > http://www.cs.nmsu.edu/~sdange
>
>
>
>
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