class Rack::Protection::FrameOptions

Prevented attack

Clickjacking

Supported browsers

Internet Explorer 8, Firefox 3.6.9, Opera 10.50, Safari 4.0, Chrome 4.1.249.1042 and later

More infos

developer.mozilla.org/en/The_X-FRAME-OPTIONS_response_header

Sets X-Frame-Options header to tell the browser avoid embedding the page in a frame.

Options:

frame_options

Defines who should be allowed to embed the page in a frame. Use :deny to forbid any embedding, :sameorigin to allow embedding from the same origin (default).

Public Instance Methods

header() click to toggle source
# File lib/rack/protection/frame_options.rb, line 22
def header
  @header ||= begin
    frame_options = options[:frame_options]
    frame_options = options[:frame_options].to_s.upcase unless frame_options.respond_to? :to_str
    { 'X-Frame-Options' => frame_options.to_str }
  end
end