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I believe it was added in 2.3. It protects against CSRF attacks: http://api.rubyonrails.org/classes/ActionController/RequestForgeryProtection/ClassMethods.html

by holman 16y ago

I believe it was added in 2.3. It protects against CSRF attacks: http://api.rubyonrails.org/classes/ActionController/RequestForgeryProtection/ClassMethods.html http://api.rubyonrails.org/classes/ActionController/RequestF...