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Editorial Team
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Asked: 2026-06-15T17:37:29+00:00

What happens if I send a ‘status’, ‘show’ or ‘priority’ element set in a

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What happens if I send a ‘status’, ‘show’ or ‘priority’ element set in a presence probe? How does an XMPP server handle this? I didn’t see anything in the RFCs (3921[1], 6121[2]) about this particular case.

Is this implementation specific? Or should the server consider this as a genuine status/show update along with a presence probe to a contact and change the status/show of the user?

Did I miss reading some section in the RFCs?

Thanks!

[1] http://xmpp.org/rfcs/rfc3921.html

[2] http://xmpp.org/rfcs/rfc6121.html

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1 Answer

  1. Editorial Team

    In absence of any other guidance, section 8.4 of RFC 6120 says:

    If an intended recipient receives a message or presence stanza that
    contains XML data qualified by a namespace it does not understand,
    then it MUST ignore the portion of the stanza qualified by the unknown
    namespace.

    The receiving server, in all implementations that I know about, ignores everything inside the probe, where “ignore” is defined in RFC 6120 section 1.4 as:

    discard the data without acting upon it or returning an error to the
    sender

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