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FF being...?

 

It's weird though, I can access html files on my computer without an IFrame. But when I stick the link into an iFrame, it just comes up blank...

 

This is a security mechanism. When you go to file:// you are requesting a file from your own computer, and you are authorized. However, an iFrame is not authorised because it is requesting the file on behalf of the server.

 

Can you imagine if an iFrame could have a src of file://C:\windows\system32\cmd.exe and then why not file://C:\windows\system32\cmd.exe del * or something like that - very bad.

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https://forums.phpfreaks.com/topic/37927-iframe-to-hd/#findComment-182291
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