diff --git a/debian/jitsi-meet-prosody.postinst b/debian/jitsi-meet-prosody.postinst
index 13d9582f6..d6a356528 100644
--- a/debian/jitsi-meet-prosody.postinst
+++ b/debian/jitsi-meet-prosody.postinst
@@ -103,27 +103,6 @@ case "$1" in
                 echo -e "\nInclude \"conf.d/*.cfg.lua\"" >> $PROSODY_CONFIG_OLD
             fi
         fi
-        # UPGRADE to server side focus check if focus is configured
-        if [ -f $PROSODY_HOST_CONFIG ] && ! grep -q "VirtualHost \"$JICOFO_AUTH_DOMAIN\"" $PROSODY_HOST_CONFIG; then
-            echo -e "\nVirtualHost \"$JICOFO_AUTH_DOMAIN\"" >> $PROSODY_HOST_CONFIG
-            echo -e "        authentication = \"internal_plain\"\n" >> $PROSODY_HOST_CONFIG
-            sed -i "s/Component \"conference.$JVB_HOSTNAME\" \"muc\"/Component \"conference.$JVB_HOSTNAME\" \"muc\"\nadmins = { \"$JICOFO_AUTH_USER@$JICOFO_AUTH_DOMAIN\" }\n/g" $PROSODY_HOST_CONFIG
-            echo -e "Component \"focus.$JVB_HOSTNAME\"" >> $PROSODY_HOST_CONFIG
-            echo -e "    component_secret=\"$JICOFO_SECRET\"\n" >> $PROSODY_HOST_CONFIG
-            PROSODY_CREATE_JICOFO_USER="true"
-        # UPGRADE to server side focus on old config(/etc/prosody/prosody.cfg.lua)
-        elif [ ! -f $PROSODY_HOST_CONFIG ] && ! grep -q "VirtualHost \"$JICOFO_AUTH_DOMAIN\"" $PROSODY_CONFIG_OLD; then
-            echo -e "\nVirtualHost \"$JICOFO_AUTH_DOMAIN\"" >> $PROSODY_CONFIG_OLD
-            echo -e "        authentication = \"internal_plain\"\n" >> $PROSODY_CONFIG_OLD
-            if ! grep -q "admins = { }" $PROSODY_CONFIG_OLD; then
-                echo -e "admins = { \"$JICOFO_AUTH_USER@$JICOFO_AUTH_DOMAIN\" }\n" >> $PROSODY_CONFIG_OLD
-            else
-                sed -i "s/admins = { }/admins = { \"$JICOFO_AUTH_USER@$JICOFO_AUTH_DOMAIN\" }\n/g" $PROSODY_CONFIG_OLD
-            fi
-            echo -e "Component \"focus.$JVB_HOSTNAME\"" >> $PROSODY_CONFIG_OLD
-            echo -e "    component_secret=\"$JICOFO_SECRET\"\n" >> $PROSODY_CONFIG_OLD
-            PROSODY_CREATE_JICOFO_USER="true"
-        fi
 
         if [ "$PROSODY_CREATE_JICOFO_USER" = "true" ]; then
             # create 'focus@auth.domain' prosody user
@@ -139,9 +118,33 @@ case "$1" in
                 "/O=$DOMAIN/OU=$HOST/CN=$JVB_HOSTNAME/emailAddress=webmaster@$HOST.$DOMAIN" \
                 -keyout /var/lib/prosody/$JVB_HOSTNAME.key \
                 -out /var/lib/prosody/$JVB_HOSTNAME.crt
+            ln -sf /var/lib/prosody/$JVB_HOSTNAME.key /etc/prosody/certs/$JVB_HOSTNAME.key
+            ln -sf /var/lib/prosody/$JVB_HOSTNAME.crt /etc/prosody/certs/$JVB_HOSTNAME.crt
+        fi
+
+        if [ ! -f /var/lib/prosody/$JICOFO_AUTH_DOMAIN.crt ]; then
+            HOST="$( (hostname -s; echo localhost) | head -n 1)"
+            DOMAIN="$( (hostname -d; echo localdomain) | head -n 1)"
+            openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 -subj \
+                "/O=$DOMAIN/OU=$HOST/CN=$JICOFO_AUTH_DOMAIN/emailAddress=webmaster@$HOST.$DOMAIN" \
+                -keyout /var/lib/prosody/$JICOFO_AUTH_DOMAIN.key \
+                -out /var/lib/prosody/$JICOFO_AUTH_DOMAIN.crt
+
+            AUTH_KEY_FILE="/etc/prosody/certs/$JICOFO_AUTH_DOMAIN.key"
+            AUTH_CRT_FILE="/etc/prosody/certs/$JICOFO_AUTH_DOMAIN.crt"
+
+            ln -sf /var/lib/prosody/$JICOFO_AUTH_DOMAIN.key $AUTH_KEY_FILE
+            ln -sf /var/lib/prosody/$JICOFO_AUTH_DOMAIN.crt $AUTH_CRT_FILE
+            ln -sf /var/lib/prosody/$JICOFO_AUTH_DOMAIN.crt /usr/local/share/ca-certificates/$JICOFO_AUTH_DOMAIN.crt
+
+            update-ca-certificates
+
+            # now let's add the ssl cert for the auth. domain (we use # as a sed delimiter cause filepaths are confused with default / delimiter)
+            sed -i "s#VirtualHost \"$JICOFO_AUTH_DOMAIN\"#VirtualHost \"$JICOFO_AUTH_DOMAIN\"\n    ssl = {\n        key = \"$AUTH_KEY_FILE\";\n        certificate = \"$AUTH_CRT_FILE\";\n    \}#g" $PROSODY_HOST_CONFIG
+
+            # trigger a restart
+            PROSODY_CONFIG_PRESENT="false"
         fi
-        ln -sf /var/lib/prosody/$JVB_HOSTNAME.key /etc/prosody/certs/$JVB_HOSTNAME.key
-        ln -sf /var/lib/prosody/$JVB_HOSTNAME.crt /etc/prosody/certs/$JVB_HOSTNAME.crt
 
         if [ "$PROSODY_CONFIG_PRESENT" = "false" ]; then
             invoke-rc.d prosody restart