>> seems to me, this confusion & potential issues are reasons to /not/
>> specify the header name as "Frame-Options" (for now), given
>> "X-FRAME-OPTIONS" apparent wide use.
>
> Sounds OK to me though I'd just want to be careful to do whatever the
> standards process dictates here.  I have to imagine there's a precedent we'd
> want to follow.

there isn't much "process" wrt which we choose.

In terms of precedent, AFAIK there's examples of both (a) documenting/specifying current practice, and (b) documenting/specifying how proponents would like various practices to evolve.

Given that there's a fair number of web apps (aka websites) emitting "X-FRAME-OPTIONS" (see below), and given its wide support in web browsers, I think its justifiable to do (a), then see about (b).

There's a recent I-D, <http://tools.ietf.org/html/draft-saintandre-xdash> 'Use of the "X-" Prefix in Application Protocols' (being discussed on <[email protected]>), which argues against its use. But in this case current practice long predates said "X-" deprecation effort.

thanks,

=JeffH
------

Here's www.shodanhq.com's counts of web apps emitting x-frame-options...

    * United States     6,853
    * Germany           1,190
    * United Kingdom      861
    * Japan               793
    * Canada              736

Results 1 - 10 of about 16032 for x-frame-options  <-- total ?





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