mod_smacks: fix bug for missbehaving clients sending multiple acks in a row Missbehaving clients, sending multiple acks in a row (I'm looking at you Monal!) triggered the ack-loop-prevention code added in 2017, leaving unacked stanzas in the queue. This fixes the bug while still preventing ack-loops.

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labels:
- Statistics
summary: Collect statistics on client features
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Description
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This module measures the features supported by each connected client.

It requires mod\_cache\_c2s\_caps to be loaded on each VirtualHost to
provide the disco#info data.