flush status;
flush hosts;
flush user_resources;
flush privileges;
select @@global.debug;
@@global.debug

select @@global.max_connect_errors;
@@global.max_connect_errors
100
select @@global.max_user_connections;
@@global.max_user_connections
0
select @@global.max_connections;
@@global.max_connections
151
select `User`, `Host` from mysql.`user` where `host` like '%\\%%';
User	Host
select `User`, `Host` from mysql.`user` where `user` like '192.%';
User	Host
select `User`, `Host` from mysql.`user` where `user` like '2001:%';
User	Host
select `User`, `Host` from mysql.`user` where `user` like 'santa.claus.%';
User	Host
CREATE USER 'plug'@'santa.claus.ipv6.example.com'
  IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
CREATE USER 'plug_dest'@'santa.claus.ipv6.example.com'
  IDENTIFIED BY 'plug_test_passwd';
GRANT SELECT ON test.* TO 'plug_dest'@'santa.claus.ipv6.example.com';
select "Con1 is alive";
Con1 is alive
Con1 is alive
select current_user();
current_user()
root@localhost
set global debug_dbug= "+d,vio_peer_addr_fake_ipv6,getnameinfo_fake_ipv6,getaddrinfo_fake_good_ipv6";
uninstall plugin test_plugin_server;
ERROR HY000: Plugin 'test_plugin_server' is not loaded
"Dumping performance_schema.host_cache"
IP	2001:db8::6:6
HOST	santa.claus.ipv6.example.com
HOST_VALIDATED	YES
SUM_CONNECT_ERRORS	0
COUNT_HOST_BLOCKED_ERRORS	0
COUNT_NAMEINFO_TRANSIENT_ERRORS	0
COUNT_NAMEINFO_PERMANENT_ERRORS	0
COUNT_FORMAT_ERRORS	0
COUNT_ADDRINFO_TRANSIENT_ERRORS	0
COUNT_ADDRINFO_PERMANENT_ERRORS	0
COUNT_FCRDNS_ERRORS	0
COUNT_HOST_ACL_ERRORS	0
COUNT_NO_AUTH_PLUGIN_ERRORS	1
COUNT_AUTH_PLUGIN_ERRORS	1
COUNT_HANDSHAKE_ERRORS	0
COUNT_PROXY_USER_ERRORS	0
COUNT_PROXY_USER_ACL_ERRORS	0
COUNT_AUTHENTICATION_ERRORS	0
COUNT_SSL_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
COUNT_DEFAULT_DATABASE_ERRORS	0
COUNT_INIT_CONNECT_ERRORS	0
COUNT_LOCAL_ERRORS	0
COUNT_UNKNOWN_ERRORS	0
FIRST_ERROR_SEEN	set
LAST_ERROR_SEEN	set
ERROR HY000: Plugin 'test_plugin_server' is not loaded
"Dumping performance_schema.host_cache"
IP	2001:db8::6:6
HOST	santa.claus.ipv6.example.com
HOST_VALIDATED	YES
SUM_CONNECT_ERRORS	0
COUNT_HOST_BLOCKED_ERRORS	0
COUNT_NAMEINFO_TRANSIENT_ERRORS	0
COUNT_NAMEINFO_PERMANENT_ERRORS	0
COUNT_FORMAT_ERRORS	0
COUNT_ADDRINFO_TRANSIENT_ERRORS	0
COUNT_ADDRINFO_PERMANENT_ERRORS	0
COUNT_FCRDNS_ERRORS	0
COUNT_HOST_ACL_ERRORS	0
COUNT_NO_AUTH_PLUGIN_ERRORS	2
COUNT_AUTH_PLUGIN_ERRORS	2
COUNT_HANDSHAKE_ERRORS	0
COUNT_PROXY_USER_ERRORS	0
COUNT_PROXY_USER_ACL_ERRORS	0
COUNT_AUTHENTICATION_ERRORS	0
COUNT_SSL_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
COUNT_DEFAULT_DATABASE_ERRORS	0
COUNT_INIT_CONNECT_ERRORS	0
COUNT_LOCAL_ERRORS	0
COUNT_UNKNOWN_ERRORS	0
FIRST_ERROR_SEEN	set
LAST_ERROR_SEEN	set
install plugin test_plugin_server soname 'PLUGIN_AUTH';
ERROR 28000: Access denied for user 'plug'@'santa.claus.ipv6.example.com' (using password: YES)
"Dumping performance_schema.host_cache"
IP	2001:db8::6:6
HOST	santa.claus.ipv6.example.com
HOST_VALIDATED	YES
SUM_CONNECT_ERRORS	0
COUNT_HOST_BLOCKED_ERRORS	0
COUNT_NAMEINFO_TRANSIENT_ERRORS	0
COUNT_NAMEINFO_PERMANENT_ERRORS	0
COUNT_FORMAT_ERRORS	0
COUNT_ADDRINFO_TRANSIENT_ERRORS	0
COUNT_ADDRINFO_PERMANENT_ERRORS	0
COUNT_FCRDNS_ERRORS	0
COUNT_HOST_ACL_ERRORS	0
COUNT_NO_AUTH_PLUGIN_ERRORS	2
COUNT_AUTH_PLUGIN_ERRORS	2
COUNT_HANDSHAKE_ERRORS	0
COUNT_PROXY_USER_ERRORS	1
COUNT_PROXY_USER_ACL_ERRORS	0
COUNT_AUTHENTICATION_ERRORS	0
COUNT_SSL_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
COUNT_DEFAULT_DATABASE_ERRORS	0
COUNT_INIT_CONNECT_ERRORS	0
COUNT_LOCAL_ERRORS	0
COUNT_UNKNOWN_ERRORS	0
FIRST_ERROR_SEEN	set
LAST_ERROR_SEEN	set
ERROR 28000: Access denied for user 'plug'@'santa.claus.ipv6.example.com' (using password: YES)
"Dumping performance_schema.host_cache"
IP	2001:db8::6:6
HOST	santa.claus.ipv6.example.com
HOST_VALIDATED	YES
SUM_CONNECT_ERRORS	0
COUNT_HOST_BLOCKED_ERRORS	0
COUNT_NAMEINFO_TRANSIENT_ERRORS	0
COUNT_NAMEINFO_PERMANENT_ERRORS	0
COUNT_FORMAT_ERRORS	0
COUNT_ADDRINFO_TRANSIENT_ERRORS	0
COUNT_ADDRINFO_PERMANENT_ERRORS	0
COUNT_FCRDNS_ERRORS	0
COUNT_HOST_ACL_ERRORS	0
COUNT_NO_AUTH_PLUGIN_ERRORS	2
COUNT_AUTH_PLUGIN_ERRORS	2
COUNT_HANDSHAKE_ERRORS	0
COUNT_PROXY_USER_ERRORS	2
COUNT_PROXY_USER_ACL_ERRORS	0
COUNT_AUTHENTICATION_ERRORS	0
COUNT_SSL_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
COUNT_DEFAULT_DATABASE_ERRORS	0
COUNT_INIT_CONNECT_ERRORS	0
COUNT_LOCAL_ERRORS	0
COUNT_UNKNOWN_ERRORS	0
FIRST_ERROR_SEEN	set
LAST_ERROR_SEEN	set
GRANT PROXY ON 'plug_dest'@'santa.claus.ipv6.example.com'
  TO 'plug'@'santa.claus.ipv6.example.com';
select "Con4 is alive";
Con4 is alive
Con4 is alive
select user();
user()
plug@santa.claus.ipv6.example.com
select current_user();
current_user()
plug_dest@santa.claus.ipv6.example.com
"Dumping performance_schema.host_cache"
IP	2001:db8::6:6
HOST	santa.claus.ipv6.example.com
HOST_VALIDATED	YES
SUM_CONNECT_ERRORS	0
COUNT_HOST_BLOCKED_ERRORS	0
COUNT_NAMEINFO_TRANSIENT_ERRORS	0
COUNT_NAMEINFO_PERMANENT_ERRORS	0
COUNT_FORMAT_ERRORS	0
COUNT_ADDRINFO_TRANSIENT_ERRORS	0
COUNT_ADDRINFO_PERMANENT_ERRORS	0
COUNT_FCRDNS_ERRORS	0
COUNT_HOST_ACL_ERRORS	0
COUNT_NO_AUTH_PLUGIN_ERRORS	2
COUNT_AUTH_PLUGIN_ERRORS	2
COUNT_HANDSHAKE_ERRORS	0
COUNT_PROXY_USER_ERRORS	2
COUNT_PROXY_USER_ACL_ERRORS	0
COUNT_AUTHENTICATION_ERRORS	0
COUNT_SSL_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_ERRORS	0
COUNT_MAX_USER_CONNECTIONS_PER_HOUR_ERRORS	0
COUNT_DEFAULT_DATABASE_ERRORS	0
COUNT_INIT_CONNECT_ERRORS	0
COUNT_LOCAL_ERRORS	0
COUNT_UNKNOWN_ERRORS	0
FIRST_ERROR_SEEN	set
LAST_ERROR_SEEN	set
REVOKE ALL PRIVILEGES ON *.* FROM 'plug_dest'@'santa.claus.ipv6.example.com';
REVOKE PROXY ON 'plug_dest'@'santa.claus.ipv6.example.com'
  FROM 'plug'@'santa.claus.ipv6.example.com';
DROP USER 'plug'@'santa.claus.ipv6.example.com';
DROP USER 'plug_dest'@'santa.claus.ipv6.example.com';
set global debug_dbug= default;
delete from mysql.plugin where name='test_plugin_server';
