Enabling anonymous access in a SharePoint 2007 site

Our SharePoint environments are tied down heavily but recently we had a requirement to create an Archives Wiki site that could potentially be opened up to anonymous users without authentication.
To make a site anonymous, firstly you need to enable anonymous access on the IIS web site (called a Web Application in SharePoint land).
This is best done through the Central Admin tool:
First get to your portal. Then under “My Links” look for “Central Administration” and select it.
In the Central Administration site select “Application Management” either in the Quick Launch or across the top tabs
Select “Authentication Providers” in the “Application Security” section
Click on the “Default” zone (or whatever zone you want to enable anonymous access for)
Under “Anonymous Access” click the check box to enable it and click “Save”
NOTE: Make sure the “Web Application” in the menu at the top right is your portal/site and not the admin site.
You can confirm that anonymous access is enabled by going back into the IIS console and checking the Directory Security properties.
Launching Internet Information Services Manager from the Start -> Administration Tools menu
Select the web site, right click and select Properties
Click on the Directory Security tab
Click on Edit in the Authentication and access control section
Now the second part is to enable anonymous access in the site.
Return to your sites home page and navigate to the site settings page. In MOSS, this is under Site Actions – Site Settings – Modify All Site Settings. In WSS it’s under Site Actions – Site Settings.
Under the “Users and Permissions” section click on “Advanced permissions”
On the “Settings” drop down menu (on the toolbar) select “Anonymous Access”
Select the option you want anonymous users to have (full access or documents and lists only)
Now users without logging in will get whatever option you allowed them.
A couple of notes about anonymous access:
You will need to set up the 2nd part for all sites unless you have permission inheritance turned on
If you don’t see the “Anonymous Access” menu option in the “Settings” menu, it might not be turned on in Central Admin/IIS. You can manually navigate to “_layouts/setanon.aspx” if you want, but the options will be grayed out if it hasn’t been enabled in IIS
You must do both setups to enable anonymous access for users, one in IIS and the other in each site.


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