diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index 1248df3b6..d04fbb31c 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -225,28 +225,24 @@ exFAT_enabled: True
 
 
 # 3-BASE-SERVER
-# Variables for Administrative Console
+
+# 2020-01-13: Vars unused
 admin_console_install: True
 admin_console_enabled: True
 
-# variables related to introduction of nginx
-# apache
-apache_install: True
-apache_enabled: False
-apache_port: "8090"
-apache_interface: "127.0.0.1"
-# The following variable, if True, allows Admin Console to poweroff IIAB
-# see below
-#allow_apache_sudo: False
-
-nginx_port: "80"
-nginx_interface: "0.0.0.0"
+nginx_port: 80
+nginx_interface: 0.0.0.0
 nginx_install: True
 nginx_enabled: True
 nginx_config_dir: /etc/nginx/conf.d
 
 # See also Apache vars {default_language, language_priority} @ top of this file
 #
+apache_install: True
+apache_enabled: False
+apache_port: 8090    # NGINX proxies to this IP address, for legacy IIAB services still requiring Apache
+apache_interface: 127.0.0.1
+#
 # For schools that use WordPress/Nextcloud/Moodle intensively:  iiab/iiab#1147
 apache_high_php_limits: False
 # WARNING: Enabling this might cause excess use of RAM/disk or other resources!
@@ -657,6 +653,7 @@ calibreweb_home: "{{ content_base }}/calibre-web"    # /library/calibre-web
 is_debuntu: False    # Covers all 3: Ubuntu, Debian, Raspbian
 
 is_ubuntu: False
+is_ubuntu_20: False
 is_ubuntu_19: False
 is_ubuntu_18: False
 is_ubuntu_17: False