1 files changed, 0 insertions, 25 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/block_untrusted_ips.rb b/actionpack/lib/action_dispatch/middleware/block_untrusted_ips.rb
deleted file mode 100644
index 8aed0c45a6..0000000000
--- a/actionpack/lib/action_dispatch/middleware/block_untrusted_ips.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-module ActionDispatch
-  class BlockUntrustedIps
-    class SpoofAttackError < StandardError ; end
-
-    def initialize(app)
-      @app = app
-    end
-
-    def call(env)
-      if @env['HTTP_X_FORWARDED_FOR'] && @env['HTTP_CLIENT_IP']
-        remote_ips = @env['HTTP_X_FORWARDED_FOR'].split(',')
-
-        unless remote_ips.include?(@env['HTTP_CLIENT_IP'])
-          http_client_ip     = @env['HTTP_CLIENT_IP'].inspect
-          http_forwarded_for = @env['HTTP_X_FORWARDED_FOR'].inspect
-
-          raise SpoofAttackError, "IP spoofing attack?!\n  " \
-            "HTTP_CLIENT_IP=#{http_client_ip}\n  HTTP_X_FORWARDED_FOR=http_forwarded_for"
-        end
-      end
-
-      @app.call(env)
-    end
-  end
-end
-\ No newline at end of file