修改 /etc/httpd/conf/httpd.conf
# pico /etc/httpd/conf/httpd.conf
<Directory /var/www/html/tools/phpMyAdmin888>
..........
Require all denied
# Require ip 111.252.212.71
# 校內 ipv6 網段
Require ip 2001:288:56xx::1/48
# 彰化縣網範圍 ipv4
# Require ip 163.23.0.0/16
# 學校 真實 ip
Require ip 163.23.xx.yy/26
# 校內虛擬 ip
Require ip 192.168.251.0/24
# 單獨1個ip
Require ip 8.8.8.8
</Directory>