Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Currently, our setup at the office goes something like this:

If you're on a computer that is out of the office, you can go to and you're fine. The page will show up.

If you're on the office domain, it won't. Instead you have to use http://server/folder.

Now, I'm told that this is because we have our main provider forward to our server here (while keeping the main company site hosted on their servers).

I'm wondering why, a little more specifically, this might be and if there is a workaround, or a setting that I can have the admin make so that in the office, all users will be able to go to I ask because I am deploying the software we're making there via ClickOnce.

share|improve this question
up vote 2 down vote accepted

Setup a DNS zone in the AD DNS servers where the zone is and use a cname to point it to the server's internal IP.

This way will resolve to the internal IP for anyone in the office, and anyone outside won't be effected. And other public names you have registered will continue to work as expected.

share|improve this answer

If "server" resolves to a local (LAN) IP address and "" resolves to a public Internet IP address, and the office network is behind a NAT, then here is the explanation.

Assuming this is your problem, you have two ways of solving it:

  • The Right (but complicated) Way: set up a DNS server on your local network which will serve internal IP addresses for requests to
  • The Quick and Dirty Way: modify the hosts file on each computer in your office network so that "" resolves to the same address as "server". Of course if you then take a computer out of the office (e.g. if it's a laptop) then you have to reverse the modification.
share|improve this answer

This is probably down to DNS, you will have a public IP address assigned to

You should ask your admin to look into Split DNS

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.