$ sudo view /etc/apache2/conf.d/phpmyadmin.conf
<Directory /usr/share/phpmyadmin>
[略]
Order deny,allow
Deny from all
Allow from 127.0.0.1
Allow from 192.168.24.0/255.255.255.0
[略]
</Directory>
<Directory /usr/share/phpmyadmin/setup>
[略]
Order deny,allow
Deny from all
Allow from 127.0.0.1
Allow from 192.168.24.0/255.255.255.0
[略]
</Directory>