diff --git a/administrator/components/com_users/config.xml b/administrator/components/com_users/config.xml
index 3750a8f802389..f11f8826e7413 100644
--- a/administrator/components/com_users/config.xml
+++ b/administrator/components/com_users/config.xml
@@ -46,7 +46,7 @@
 		<field
 			name="useractivation"
 			type="list"
-			default="1"
+			default="2"
 			label="COM_USERS_CONFIG_FIELD_USERACTIVATION_LABEL"
 			description="COM_USERS_CONFIG_FIELD_USERACTIVATION_DESC">
 			<option
@@ -61,7 +61,7 @@
 			name="mail_to_admin"
 			type="radio"
 			class="btn-group"
-			default="0"
+			default="1"
 			label="COM_USERS_CONFIG_FIELD_MAILTOADMIN_LABEL"
 			description="COM_USERS_CONFIG_FIELD_MAILTOADMIN_DESC">
 			<option
diff --git a/installation/CHANGELOG b/installation/CHANGELOG
index d3cf4f72eeccf..2d6a043b5a51d 100644
--- a/installation/CHANGELOG
+++ b/installation/CHANGELOG
@@ -27,6 +27,9 @@ $ -> Language fix or change
 
 ; Below is merged into v3.1.2
 
+21-Jul-2013 Mark Dexter
+ ^ [#31319] registration option disabled by default is safer. Thanks Brian Teeman.
+
 21-Jul-2013 Michael Babker
  # [#31401] Fixed issue with $query object being overwritten by string.  Thanks Peter van Westen
 
diff --git a/installation/sql/mysql/joomla.sql b/installation/sql/mysql/joomla.sql
index 719c5adf55719..14dafdb818867 100644
--- a/installation/sql/mysql/joomla.sql
+++ b/installation/sql/mysql/joomla.sql
@@ -492,7 +492,7 @@ INSERT INTO `#__extensions` (`extension_id`, `name`, `type`, `element`, `folder`
 (22, 'com_content', 'component', 'com_content', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_content","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"1.7.0","description":"COM_CONTENT_XML_DESCRIPTION","group":""}', '{"article_layout":"_:default","show_title":"1","link_titles":"1","show_intro":"1","show_category":"1","link_category":"1","show_parent_category":"0","link_parent_category":"0","show_author":"1","link_author":"0","show_create_date":"0","show_modify_date":"0","show_publish_date":"1","show_item_navigation":"1","show_vote":"0","show_readmore":"1","show_readmore_title":"1","readmore_limit":"100","show_icons":"1","show_print_icon":"1","show_email_icon":"1","show_hits":"1","show_noauth":"0","show_publishing_options":"1","show_article_options":"1","show_urls_images_frontend":"0","show_urls_images_backend":"1","targeta":0,"targetb":0,"targetc":0,"float_intro":"left","float_fulltext":"left","category_layout":"_:blog","show_category_title":"0","show_description":"0","show_description_image":"0","maxLevel":"1","show_empty_categories":"0","show_no_articles":"1","show_subcat_desc":"1","show_cat_num_articles":"0","show_base_description":"1","maxLevelcat":"-1","show_empty_categories_cat":"0","show_subcat_desc_cat":"1","show_cat_num_articles_cat":"1","num_leading_articles":"1","num_intro_articles":"4","num_columns":"2","num_links":"4","multi_column_order":"0","show_subcategory_content":"0","show_pagination_limit":"1","filter_field":"hide","show_headings":"1","list_show_date":"0","date_format":"","list_show_hits":"1","list_show_author":"1","orderby_pri":"order","orderby_sec":"rdate","order_date":"published","show_pagination":"2","show_pagination_results":"1","show_feed_link":"1","feed_summary":"0"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (23, 'com_config', 'component', 'com_config', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_config","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"1.7.0","description":"COM_CONFIG_XML_DESCRIPTION","group":""}', '{"filters":{"1":{"filter_type":"NH","filter_tags":"","filter_attributes":""},"6":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"7":{"filter_type":"NONE","filter_tags":"","filter_attributes":""},"2":{"filter_type":"NH","filter_tags":"","filter_attributes":""},"3":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"4":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"5":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"10":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"12":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"8":{"filter_type":"NONE","filter_tags":"","filter_attributes":""}}}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (24, 'com_redirect', 'component', 'com_redirect', '', 1, 1, 0, 1, '', '{}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
-(25, 'com_users', 'component', 'com_users', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_users","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"2.5.0","description":"COM_USERS_XML_DESCRIPTION","group":""}', '{"allowUserRegistration":"1","new_usertype":"2","guest_usergroup":"9","sendpassword":"1","useractivation":"1","mail_to_admin":"0","captcha":"","frontend_userparams":"1","site_language":"0","change_login_name":"0","reset_count":"10","reset_time":"1","mailSubjectPrefix":"","mailBodySuffix":""}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
+(25, 'com_users', 'component', 'com_users', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_users","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"2.5.0","description":"COM_USERS_XML_DESCRIPTION","group":""}', '{"allowUserRegistration":"1","new_usertype":"2","guest_usergroup":"9","sendpassword":"1","useractivation":"2","mail_to_admin":"1","captcha":"","frontend_userparams":"1","site_language":"0","change_login_name":"0","reset_count":"10","reset_time":"1","mailSubjectPrefix":"","mailBodySuffix":""}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (27, 'com_finder', 'component', 'com_finder', '', 1, 1, 0, 0, '', '{"show_description":"1","description_length":255,"allow_empty_query":"0","show_url":"1","show_advanced":"1","expand_advanced":"0","show_date_filters":"0","highlight_terms":"1","opensearch_name":"","opensearch_description":"","batch_size":"50","memory_table_limit":30000,"title_multiplier":"1.7","text_multiplier":"0.7","meta_multiplier":"1.2","path_multiplier":"2.0","misc_multiplier":"0.3","stemmer":"snowball"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (28, 'com_joomlaupdate', 'component', 'com_joomlaupdate', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_joomlaupdate","type":"component","creationDate":"February 2012","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"2.5.0","description":"COM_JOOMLAUPDATE_XML_DESCRIPTION","group":""}', '{}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (29, 'com_tags', 'component', 'com_tags', '', 1, 1, 1, 1, '{"name":"com_tags","type":"component","creationDate":"March 2013","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"3.1.0","description":"COM_TAGS_XML_DESCRIPTION","group":""}', '{"show_tag_title":"0","tag_list_show_tag_image":"0","tag_list_show_tag_description":"0","tag_list_image":"","show_tag_num_items":"0","tag_list_orderby":"title","tag_list_orderby_direction":"ASC","show_headings":"0","tag_list_show_date":"0","tag_list_show_item_image":"0","tag_list_show_item_description":"0","tag_list_item_maximum_characters":0,"return_any_or_all":"1","include_children":"0","maximum":200,"tag_list_language_filter":"all","tags_layout":"_:default","all_tags_orderby":"title","all_tags_orderby_direction":"ASC","all_tags_show_tag_image":"0","all_tags_show_tag_descripion":"0","all_tags_tag_maximum_characters":20,"all_tags_show_tag_hits":"0","filter_field":"1","show_pagination_limit":"1","show_pagination":"2","show_pagination_results":"1","tag_field_ajax_mode":"1","show_feed_link":"1"}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
diff --git a/installation/sql/postgresql/joomla.sql b/installation/sql/postgresql/joomla.sql
index 062c6f354daee..d8b5348ae36b0 100644
--- a/installation/sql/postgresql/joomla.sql
+++ b/installation/sql/postgresql/joomla.sql
@@ -515,7 +515,7 @@ INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder"
 (22, 'com_content', 'component', 'com_content', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_content","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"1.7.0","description":"COM_CONTENT_XML_DESCRIPTION","group":""}', '{"article_layout":"_:default","show_title":"1","link_titles":"1","show_intro":"1","show_category":"1","link_category":"1","show_parent_category":"0","link_parent_category":"0","show_author":"1","link_author":"0","show_create_date":"0","show_modify_date":"0","show_publish_date":"1","show_item_navigation":"1","show_vote":"0","show_readmore":"1","show_readmore_title":"1","readmore_limit":"100","show_icons":"1","show_print_icon":"1","show_email_icon":"1","show_hits":"1","show_noauth":"0","show_publishing_options":"1","show_article_options":"1","show_urls_images_frontend":"0","show_urls_images_backend":"1","targeta":0,"targetb":0,"targetc":0,"float_intro":"left","float_fulltext":"left","category_layout":"_:blog","show_category_title":"0","show_description":"0","show_description_image":"0","maxLevel":"1","show_empty_categories":"0","show_no_articles":"1","show_subcat_desc":"1","show_cat_num_articles":"0","show_base_description":"1","maxLevelcat":"-1","show_empty_categories_cat":"0","show_subcat_desc_cat":"1","show_cat_num_articles_cat":"1","num_leading_articles":"1","num_intro_articles":"4","num_columns":"2","num_links":"4","multi_column_order":"0","show_subcategory_content":"0","show_pagination_limit":"1","filter_field":"hide","show_headings":"1","list_show_date":"0","date_format":"","list_show_hits":"1","list_show_author":"1","orderby_pri":"order","orderby_sec":"rdate","order_date":"published","show_pagination":"2","show_pagination_results":"1","show_feed_link":"1","feed_summary":"0"}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (23, 'com_config', 'component', 'com_config', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_config","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"1.7.0","description":"COM_CONFIG_XML_DESCRIPTION","group":""}', '{"filters":{"1":{"filter_type":"NH","filter_tags":"","filter_attributes":""},"6":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"7":{"filter_type":"NONE","filter_tags":"","filter_attributes":""},"2":{"filter_type":"NH","filter_tags":"","filter_attributes":""},"3":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"4":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"5":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"10":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"12":{"filter_type":"BL","filter_tags":"","filter_attributes":""},"8":{"filter_type":"NONE","filter_tags":"","filter_attributes":""}}}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (24, 'com_redirect', 'component', 'com_redirect', '', 1, 1, 0, 1, '', '{}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
-(25, 'com_users', 'component', 'com_users', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_users","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"2.5.0","description":"COM_USERS_XML_DESCRIPTION","group":""}', '{"allowUserRegistration":"1","new_usertype":"2","guest_usergroup":"9","sendpassword":"1","useractivation":"1","mail_to_admin":"0","captcha":"","frontend_userparams":"1","site_language":"0","change_login_name":"0","reset_count":"10","reset_time":"1","mailSubjectPrefix":"","mailBodySuffix":""}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
+(25, 'com_users', 'component', 'com_users', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_users","type":"component","creationDate":"April 2006","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.\\t","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"2.5.0","description":"COM_USERS_XML_DESCRIPTION","group":""}', '{"allowUserRegistration":"1","new_usertype":"2","guest_usergroup":"9","sendpassword":"1","useractivation":"2","mail_to_admin":"1","captcha":"","frontend_userparams":"1","site_language":"0","change_login_name":"0","reset_count":"10","reset_time":"1","mailSubjectPrefix":"","mailBodySuffix":""}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (27, 'com_finder', 'component', 'com_finder', '', 1, 1, 0, 0, '', '{"show_description":"1","description_length":255,"allow_empty_query":"0","show_url":"1","show_advanced":"1","expand_advanced":"0","show_date_filters":"0","highlight_terms":"1","opensearch_name":"","opensearch_description":"","batch_size":"50","memory_table_limit":30000,"title_multiplier":"1.7","text_multiplier":"0.7","meta_multiplier":"1.2","path_multiplier":"2.0","misc_multiplier":"0.3","stemmer":"snowball"}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (28, 'com_joomlaupdate', 'component', 'com_joomlaupdate', '', 1, 1, 0, 1, '{"legacy":false,"name":"com_joomlaupdate","type":"component","creationDate":"February 2012","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"2.5.0","description":"COM_JOOMLAUPDATE_XML_DESCRIPTION","group":""}', '{}', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (29, 'com_tags', 'component', 'com_tags', '', 1, 1, 1, 1, '{"legacy":false,"name":"com_tags","type":"component","creationDate":"March 2013","author":"Joomla! Project","copyright":"(C) 2005 - 2013 Open Source Matters. All rights reserved.","authorEmail":"admin@joomla.org","authorUrl":"www.joomla.org","version":"3.0.0","description":"COM_TAGS_XML_DESCRIPTION","group":""}', '{}', '', '', 0, '1970-01-01 00:00:00', 0, 0);
diff --git a/installation/sql/sqlazure/joomla.sql b/installation/sql/sqlazure/joomla.sql
index 7cd2da383e87f..aef558f9aeab3 100644
--- a/installation/sql/sqlazure/joomla.sql
+++ b/installation/sql/sqlazure/joomla.sql
@@ -779,7 +779,7 @@ SELECT 23, 'com_config', 'component', 'com_config', '', 1, 1, 0, 1, '{"name":"co
 UNION ALL
 SELECT 24, 'com_redirect', 'component', 'com_redirect', '', 1, 1, 0, 1, '', '{}', '', '', 0, '1900-01-01 00:00:00', 0, 0
 UNION ALL
-SELECT 25, 'com_users', 'component', 'com_users', '', 1, 1, 0, 1, '', '{"allowUserRegistration":"1","new_usertype":"2","useractivation":"1","frontend_userparams":"1","mailSubjectPrefix":"","mailBodySuffix":""}', '', '', 0, '1900-01-01 00:00:00', 0, 0
+SELECT 25, 'com_users', 'component', 'com_users', '', 1, 1, 0, 1, '', '{"allowUserRegistration":"1","new_usertype":"2","useractivation":"2","mail_to_admin":"1","frontend_userparams":"1","mailSubjectPrefix":"","mailBodySuffix":""}', '', '', 0, '1900-01-01 00:00:00', 0, 0
 UNION ALL
 SELECT 27, 'com_finder', 'component', 'com_finder', '', 1, 1, 0, 0, '', '{"show_description":"1","description_length":255,"allow_empty_query":"0","show_url":"1","show_advanced":"1","expand_advanced":"0","show_date_filters":"0","highlight_terms":"1","opensearch_name":"","opensearch_description":"","batch_size":"50","memory_table_limit":30000,"title_multiplier":"1.7","text_multiplier":"0.7","meta_multiplier":"1.2","path_multiplier":"2.0","misc_multiplier":"0.3","stemmer":"porter_en"}', '', '', 0, '1900-01-01 00:00:00', 0, 0
 UNION ALL