Can someone post a well formed crossdomain.xml sample?

I've been reading that Adobe has made crossdomain.xml stricter in flash 9-10 and I'm wondering of someone can paste me a copy of one that they know works. Having some trouble finding a recent sample on Adobe's site.

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最佳答案

This is what I've been using for development:

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

This is a very liberal approach, but is fine for my application.

As others have pointed out below, beware the risks of this.

小开

If you're using webservices, you'll also need the 'allow-http-request-headers-from' element. Here's our default, development, 'allow everything' policy.

<?xml version="1.0" ?>
<cross-domain-policy>
<site-control permitted-cross-domain-policies="master-only"/>
<allow-access-from domain="*"/>
<allow-http-request-headers-from domain="*" headers="*"/>
</cross-domain-policy>
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Take a look at Twitter's:

http://twitter.com/crossdomain.xml

<?xml version="1.0" encoding="UTF-8"?>
<cross-domain-policy xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.adobe.com/xml/schemas/PolicyFile.xsd">
<allow-access-from domain="twitter.com" />
<allow-access-from domain="api.twitter.com" />
<allow-access-from domain="search.twitter.com" />
<allow-access-from domain="static.twitter.com" />
<site-control permitted-cross-domain-policies="master-only"/>
<allow-http-request-headers-from domain="*.twitter.com" headers="*" secure="true"/>
</cross-domain-policy>
小开

In production site this seems suitable:

<?xml version="1.0"?>
<cross-domain-policy>
<allow-access-from domain="www.mysite.com" />
<allow-access-from domain="mysite.com" />
</cross-domain-policy>
小开

A version of crossdomain.xml used to be packaged with the HTML5 Boilerplate which is the product of many years of iterative development and combined community knowledge. However, it has since been deleted from the repository. I've copied it verbatim here, and included a link to the commit where it was deleted below.

<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<!-- Read this: https://www.adobe.com/devnet/articles/crossdomain_policy_file_spec.html -->


<!-- Most restrictive policy: -->
<site-control permitted-cross-domain-policies="none"/>


<!-- Least restrictive policy: -->
<!--
<site-control permitted-cross-domain-policies="all"/>
<allow-access-from domain="*" to-ports="*" secure="false"/>
<allow-http-request-headers-from domain="*" headers="*" secure="false"/>
-->
</cross-domain-policy>

Deleted in #1881
https://github.com/h5bp/html5-boilerplate/commit/58a2ba81d250301e7b5e3da28ae4c1b42d91b2c2


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