In order to start prosody at boot and stop it properly at shutdown, 
make sure rc.local and rc.local_shutdown contain the following lines:

	/etc/rc.d/rc.local
	==================
	# Startup prosody
	if [ -x /etc/rc.d/rc.prosody ]; then
		/etc/rc.d/rc.prosody  start
	fi

	/etc/rc.d/rc.local_shutdown
	===========================
	# Stop prosody
	if [ -x /etc/rc.d/rc.prosody ]; then
		/etc/rc.d/rc.prosody stop
	fi