Adding Firewall protections to apply-config.sh

apply-config.sh

-#!/bin/sh
+#!/bin/bash
+
+# Pull in the helper functions for configuring BigBlueButton
+source /etc/bigbluebutton/bbb-conf/apply-lib.sh
+
+enableUFWRules
+
 sed -i 's/defaultWelcomeMessage=.*/defaultWelcomeMessage=Bienvenido a <b>%%CONFNAME%%<\/b>!<br>/g' /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties
 sed -i 's/defaultWelcomeMessageFooter=.*/defaultWelcomeMessageFooter=Provisto por <a href="https:\/\/digitalcse.com\/" target="_blank"><u>DigitalCSE<\/u><\/a> /g' /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties
 echo "" > /var/www/bigbluebutton-default/index.html