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id="tspan3172">NOTE: This scheme has at least one big flaw.</tspan><tspan
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id="tspan3202">It allows for the creation of malicious agents that could be targeted to </tspan><tspan
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id="tspan3213">try to block a specific user by sending UNSUPPORTED_PROTOCOL_VERSION</tspan><tspan
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id="tspan3215">messages.</tspan><tspan
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id="tspan3217" /><tspan
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x="153.1676"
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id="tspan3219">The ordering of messages is handled by the Jabber MUC server, so such an</tspan><tspan
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x="153.1676"
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id="tspan3221">attack will not always work, but the possibility of it working certainly</tspan><tspan
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