Facebook login “given URL not allowed by application configuration”

Your settings must be incorrect.

Go to http://www.facebook.com/developers/ and edit the application you’re working on.

On the “website” tab, look for “Site URL”. This should be set to your website’s URL “http://yoursite.com/

Note that if you’re using subdomains, you’ll also need to update “Site Domain” to be “yoursite.com”

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