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Todd Klindt's home page > Todd Klindt's Office 365 Admin Blog > Posts > External URLs with WSS v3
June 29
External URLs with WSS v3
I've seen on the newsgroups that a few people are having problems publishing sites with v3 externally.  They do the standard thing, forward port 80 on their router/firewall and it should work.  Unfortunately they find that external users are redirected to the internal name of the server and it fails.  This is because v3 introduces some new functionality for external access.  To make the external access work the way you want you'll need to create an Alternate Access Map to the external URL.  Go into Central Administration, Operations and click Alternate Access Mappings under Global Configuration.  It will take to you this screen:
Central Admin
Larger version available here.
Click Add Incoming URLs and add the Internet facing address and your site will now work externally as well as internally.  You'll probably want to assign it to the Extranet zone.  Assign an outbound URL as well.  That will allow WSS to use the correct URL when it sends out Alert URLs.
Update:  This has changed some since Beta2, which is what this post was based on.  Please see my updated post here.


Internet Facing Address goes where?

Once you click "Create External URL Mapping" your taken to another page with TWO spaces. I'm assuming the external IP goes in the "New default zone URL protocol, host and port space. Correct?

I'm not sure what goes in the Resource space. Does it matter what goes there? Or is it just a description for reference purposes?

 on 6/29/2006 2:50 PM


Thanks for the sanity check.  You should use the "Add Incoming URL" option, not the one I mentioned in the original entry.  I have changed it, so as to not confuse anyone else.

Thanks again.

Todd O. KlindtNo presence information on 6/29/2006 3:06 PM

Add Incoming URL

Cool, got another nifty screenshot of that?
 on 6/29/2006 3:32 PM

Add Incoming URL

Or do I still need to do the Create External URL Mapping AND do Add Incoming URL?

Both of them or just the add incoming URL?
 on 6/29/2006 3:33 PM

Incoming URL

Thanks for bringing up the screenshot, I'll put a correct one up in a couple of minutes.  :)

You only need to add an incoming URL.  Ignore all the "External URL Mapping" talk.  That only came up because I was rushing to get the blog posted and I messed up.

When I set this up I don't think I manually added the Outbound URL, I think it just came with the Inbound URL when I created it.

 on 6/29/2006 4:18 PM

Incoming URL

ok when I click the Add Incoming URL it takes me to another page.
In the upper right hand corner there is a drop down menu for "Alternate Access Mapping collection: No Selection"

Until I change that drop down menu from "No Selection" the Save button at the bottom is grayed out. When I hit the drop down I get a link for "Change Alternate Access Mapping Collection"

If I click on that link it opens another window with a list of SharePoint sites (port) and the URL's for them.

Do I choose the SharePoint(80) ? Since I think that is the default SharePoint homepage correct?

Then in the space for "Add Incoming URL" I put the external IP address I've given it in NAT?

Do I leave the "Zone" drop down menu on Default?
 on 6/29/2006 4:41 PM

Incoming URL

Or maybe I should be putting the INTERNAL IP address from the NAT in Incoming URL.

From my understanding of NAT and firewall the computer doesn't know what it's outside IP is, that is all handled by the NAT/firewall.

So SharePoint would only know that its IP address is the internal IP number?
 on 6/29/2006 4:46 PM

Incoming URL

You'll want to put your Extenal IP address in there.  Basically you're telling Sharepoint "If you get a request for that's you, go ahead and answer it."  I put in because that's what the host headers have in them when requests come in from the outside.  I've never done this with IP address, so there's some guesswork on my side.

Todd O. KlindtNo presence information on 6/29/2006 4:52 PM


Are you using a single server or farm setup?

I'm wondering if your using more than one SharePoint server in your setup if I still need the Alternate Access Mappings for a single server.
 on 6/29/2006 7:28 PM

Incoming URL

I have a single box.

Before I put the alternate Incoming URL folks going to would be redirected to "http://wssv3test," which is the internal name and of course didn't work for external folks.  Putting in the alternate URL fixed that.  V3 has added zones which lets you differentiate between people coming internally and externally.  I assume adding Incoming URLs is the first part of getting that set up.

Todd O. KlindtNo presence information on 6/29/2006 8:51 PM
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