Close MQTT connection with delay when authentication fails (backport #11900) (backport #11904) #11906
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For consistency with other protocols (to protect from potential DoS attacks). Wrong credentials and virtual host access errors trigger the delay.
References #11831
We keep the delay low when running tests. Otherwise,
would run 3 minutes longer (with a SILENT_CLOSE_DELAY of 3 seconds).
This is an automatic backport of pull request #11900 done by Mergify.
This is an automatic backport of pull request #11904 done by Mergify.