|  | @@ -182,8 +182,9 @@ A white-list of content-types/serializers to allow.
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				|  |  |  If a message is received that's not in this list then
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				|  |  |  the message will be discarded with an error.
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				|  |  |  
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				|  |  | -By default any content type is enabled, including pickle and yaml,
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				|  |  | -so make sure untrusted parties don't have access to your broker.
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				|  |  | +By default only json is enabled but any content type can be added,
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				|  |  | +including pickle and yaml; when this is the case make sure
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				|  |  | +untrusted parties don't have access to your broker.
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				|  |  |  See :ref:`guide-security` for more.
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				|  |  |  
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				|  |  |  Example::
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