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My domain (let's call it www.example.com) creates a cookie. On another site (let's say, www.myspace.com), my domain is loaded within an iFrame.
On every browser (Firefox, Opera, Camino, Safari, etc...) except for Internet Explorer, I can access my own cookie. In IE, it doesn't give me access to the cookie from within the iFrame.
Is there a way to get around this?
Really, this makes no sense because the site trying to access the cookie is www.example.com and the cookie is owned by www.example.com. But for some reason, IE thinks the iFrame makes them unrelated.
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Only the domain which created the cookie can read its cookie. So you have to read the cookie from within the iframe and then pass it to the parent window. If you don't have access or control over the page in the iframe then there is no way to get the cookie value.
Since your content is being loaded into an iframe from a remote domain, it is classed as a third-party cookie. The vast majority of third-party cookies are provided by advertisers (these are usually marked as tracking cookies by anti-malware software) and many people consider them to be an invasion of privacy.
Internet ExplorerClick 'Tools' (the gear icon) in the browser toolbar. Choose Internet Options. Click the Privacy tab, and then, under Settings, move the slider to the top to block all cookies or to the bottom to allow all cookies, and then click OK.
As we know that cookie set by one domain cannot be accessed by the another domain. But cookie set to main domain can be accessed by subdomains. Example: Cookie set to domain “maindomain.com” can be accessed by any sub domain of main domain, that is subdomain.maindomain.com, anysub.maindomain.com.
Internet Explorer's default privacy setting means that 3rd-party cookies (e.g. those in iframes) are treated differently to 1st party cookies. (by default, 3rd party cookies are silently rejected).
For IE6 to accept cookies in an iframe, you need to ensure your site is delivering a P3P compact header.
See http://msdn.microsoft.com/en-us/library/ms537343.aspx for more.
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