从access.log我发现奇怪的访问模式.这种探测的目的是什么？
219.106.219.16 - - [11/Mar/2016:15:00:14 +0200] "HEAD my.aws.ec2.instance:80/1phpmyadmin/ HTTP/1.1" 404 195 "-" "Mozilla/5.0 Jorgee"
219.106.219.16 - - [11/Mar/2016:15:00:14 +0200] "HEAD my.aws.ec2.instance:80/2phpmyadmin/ HTTP/1.1" 404 194 "-" "Mozilla/5.0 Jorgee"
219.106.219.16 - - [11/Mar/2016:15:00:14 +0200] "HEAD my.aws.ec2.instance:80/3phpmyadmin/ HTTP/1.1" 404 194 "-" "Mozilla/5.0 Jorgee"
219.106.219.16 - - [11/Mar/2016:15:00:15 +0200] "HEAD my.aws.ec2.instance:80/4phpmyadmin/ HTTP/1.1" 404 194 "-" "Mozilla/5.0 Jorgee"
219.106.219.16 - - [11/Mar/2016:15:00:15 +0200] "HEAD my.aws.ec2.instance:80/MyAdmin/ HTTP/1.1" 404 194 "-" "Mozilla/5.0 Jorgee"
219.106.219.16 - - [11/Mar/2016:15:00:15 +0200] "HEAD my.aws.ec2.instance:80/PMA/ HTTP/1.1" 404 194 "-" "Mozilla/5.0 …