Flash Reference

Issue:

• Unable to load variables or XML data into a Flash movie from another domain/subdomain.
• Unable to load swf or flv into Flash movie from another domain/subdomain.

Reason:
For security reasons, data loading operations (load, loadMovie, loadVariables, & etc.) from a different domain is not permitted.

Solution:
Create a cross-domain policy file (crossdomain.xml) and place on the site root of the server you wish to access with the movie.

Cross-domain policy files is a simple XML file that gives the Flash Player permission to access data from a given domain without displaying a security dialog, the file can be created in a simple text editor such as Notepad or SimpleText.

• Sample Cross-domain policy file allow access from any domain

  <?xml version="1.0"?>
  <cross-domain-policy>
  <allow-access-from domain="*" />
  </cross-domain-policy>

• Sample Cross-domain policy file allow access from any subdomains & local server, & secure server

  <?xml version="1.0"?>
  <!DOCTYPE cross-domain-policy SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">
  <cross-domain-policy>
  <allow-access-from domain="www.ggshow.com" />
  <allow-access-from domain="ggshow.com" />
  <allow-access-from domain="*.ggshow.com" />
  <allow-access-from domain="blog.ggshow.com" />
  <allow-access-from domain="search.ggshow.com" />
  <allow-access-from domain="blog" />
  <allow-access-from domain="search" />
  <allow-access-from domain="www.ggshow.com" secure="false" />
  </cross-domain-policy>

• Sample Cross-domain policy file on other websites

  • http://www.yahoo.com/crossdomain.xml
  • http://www.youtube.com/crossdomain.xml
  • http://www.amazon.com/crossdomain.xml
  • http://api.flickr.com/crossdomain.xml

Additional Information:
crossdomainxml.org

LiveDocs:
Using policy files

TechNote:
External data not accessible outside a Macromedia Flash movie's domain
Loading data across domains
Macromedia Flash movie fails to load data in Flash Player 7