Hi Reindl,

in particular:
 "X-Frame-Options" => "DENY"

why are you doing that on the webserver?

Because that's the best practice!

Have a look at this: https://cipherli.st







On 2014-08-23 02:50, Reindl Harald wrote:
Am 23.08.2014 um 04:17 schrieb m...@ruggedinbox.com:
Hi so after some testing, it looks like the lighttpd setting:

setenv.add-response-header = (
"Strict-Transport-Security" => "max-age=63072000; includeSubDomains",
   "X-Frame-Options" => "DENY"
)

in particular:
 "X-Frame-Options" => "DENY"

why are you doing that on the webserver?

was causing the issue.

There is some bug tracking about it and roundcube ( http://trac.roundcube.net/ticket/1487037 )
and it is also documented in the 'defaults.inc.php' file:

// X-Frame-Options HTTP header value sent to prevent from Clickjacking. // Possible values: sameorigin|deny. Set to false in order to disable sending them
$config['x_frame_options'] = 'sameorigin';

anyway, could you please suggest the best setting of both roundcube and lighttpd ? (should lighttpd be set to 'sameorigin' or should roundcube be set to 'deny' ?)

just don't configure a webserver in a way it overrides applications
and if you do so at least only with "sameorigin"
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