简单实现限定phpmyadmin访问ip的方法
修改：config.inc.php
在第一行加入
$ip_prefix = '192.168.121.';
if (substr($_SERVER['REMOTE_ADDR'], 0, strlen($ip_prefix)) != $ip_prefix ) die('illegal access error');
ip可以设置成你自己电脑的ip。如果是内网建议直接设置成自己的ip地址取代ip地址段。这样的话可以防止其它用户在内网中访问。如果是公网ip限制，直接使用即可。
只是简单的限定，没有太大要求只是暂时限定，可以使用这种方式。临时性的限制用户去访问。
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