how to disable send message with add request

hi
i using the ejabberd server. users can send message without add request accepted by another users. users use harmful xml to disconnect room users list with the trick.
i dont know fix the problem

please help

What is the exact issue ?

What is the exact issue ?

i want blocked send add

i want blocked send add request in rooms

I have no idea what "send add

I have no idea what "send add request in rooms" means. Which XEP-0045 feature are you referring to ?

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