How can I "simulate" a publicly-visible static IP address on my private-domain server?

Posted on 2009-04-29
Last Modified: 2012-05-06
I have my server on a private domain, with IIS running and our web site is visible locally only.  I'm looking for a product that will "simulate" a publicly-visible static IP address so that public Internet users can access my Web site.  Can you help?  Thank you.
Question by:Dwight Baer
    LVL 17

    Accepted Solution

    Why simulate? Aren't you trying to make your website accessible to the internet? Just assign configure your firewall to open traffic on port 80(HTTP) to this server. If you mean that you do not have a static ip address from your internet provider, you can use DDNS which is dynamic dns. Evertimeyour ISP gives you a new address, the dns records would be updated automatically.

    Author Comment

    by:Dwight Baer
    Great.  OK ... I did a search on "DDNS" and found a list of services that offer free Dynamic DNS.  (I think that means "dynamic-IP-to-static-IP" service, if I understand it correctly).

    Someone recommended, which is on the above list  ... Do you have experience or have you heard of anyone using their service for what I'm trying to accomplish?
    LVL 29

    Assisted Solution

    Yes, you can use DDNS.

    how actually you are trying to access your website ?? by IP or By any domain name ??

    if you register in dyndns, you will get a domain like, which would be mapped to your dynamicIp

    so you can access your site as , , it will come to your webserver


    Author Comment

    by:Dwight Baer
    I'm thinking that I'll put a link on our public web site that will direct the traffic to the hostname, e.g.
    But probably it will need a port, e.g.

    Then I'll need to configure my router to forward and redirect it to my server, e.g. ... which is where IIS is running.  Am I understanding the concept correctly?  

    Locally, I access the Web-based application by using the URL:

    So would I likely set something up in the router that would include that URL?

    For future reference, I  found a how-to at

    Thanks for any insight  - This is brand-new for me.
    LVL 17

    Assisted Solution

    It looks like you understand the concept now. But I dont think you have to put port 2020 unless you wanted to for personal reasons. You should be fine without specifying a port. In your router you would have to tell it to forward anything incoming traffic on port 80 (or whatever port you specify) to be forwarded to the internal ip address and you should be good!

    Author Closing Comment

    by:Dwight Baer
    Thank you very much, fosiul01 and OriNetworks!  I haven't actually implemented the solution yet, but it will take me a couple of days before I get around to it and I'd like to close the question.  I feel 100% more confident now than I did before.

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