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Add doc for config.action_dispatch.default_headers

Add documentation for config.action_dispatch.default_headers to
Rails Configuring guide.
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1 parent c347236 commit 684b6482e4f9d966dfa088b53507847492a023c3 @guilleiguaran committed Aug 10, 2012
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  1. +6 −0 guides/source/configuring.textile
6 guides/source/configuring.textile
@@ -338,6 +338,12 @@ h4. Configuring Action Dispatch
* +config.action_dispatch.session_store+ sets the name of the store for session data. The default is +:cookie_store+; other valid options include +:active_record_store+, +:mem_cache_store+ or the name of your own custom class.
+* +config.action_dispatch.default_headers+ is a hash with HTTP headers that are set by default in each response. By default, this is defined as:
+config.action_dispatch.default_headers = { 'X-Frame-Options' => 'SAMEORIGIN', 'X-XSS-Protection' => '1; mode=block' }
* +config.action_dispatch.tld_length+ sets the TLD (top-level domain) length for the application. Defaults to +1+.
* +ActionDispatch::Callbacks.before+ takes a block of code to run before the request.

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