db# sockstat | grep 3306
mysql    mysqld     17516 177 tcp46 *:3306                *:*

db# cat my.cnf | grep -v "^#"
[client]
port= 3306
socket= /tmp/mysql.sock

[mysqld]
port= 3306
bind-address= ::
socket= /tmp/mysql.sock
skip-external-locking
key_buffer_size = 16K
max_allowed_packet = 1M
table_open_cache = 4
sort_buffer_size = 64K
read_buffer_size = 256K
read_rnd_buffer_size = 256K
net_buffer_length = 2K
thread_stack = 240K

server-id= 1

innodb_buffer_pool_size = 1G
innodb_log_file_size = 256M
innodb_log_buffer_size = 16M

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M

[mysqlhotcopy]
interactive-timeout

db# telnet db.local 3306
Trying fd0b:9867:5eb1::3306...
telnet: connect to address fd0b:9867:5eb1::3306: Operation timed out
telnet: Unable to connect to remote host
db# telnet ::1 3306
Trying ::1...
telnet: connect to address ::1: Operation timed out
telnet: Unable to connect to remote host

db# telnet 10.0.0.10 3306
Trying 10.0.0.10...
Connected to db.burnus.net.
Escape character is '^]'.
Y
5.5.5-10.2.22-MariaDB>8vmB=LG)M'zTti5g)3emysql_native_password^CConnection closed by foreign host.
db# telnet 127.0.0.1 3306
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Y
5.5.5-10.2.22-MariaDB?',Jme7}$Wm@70-/FO<~mysql_native_password^CConnection closed by foreign host.

db# ifconfig em0 | grep inet
inet 10.0.0.10 netmask 0xffffffff broadcast 10.0.0.10
inet6 fd0b:9867:5eb1::3306 prefixlen 128