脚本未find或无法统计:/var/www/html/r.php

我刚刚在/var/log/apache2/error.log看到了一系列新的错误

 [Thu May 07 17:12:35.433760 2015] [:error] [pid 3488] [client 190.79.132.215:51660] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:38.066293 2015] [:error] [pid 3471] [client 190.79.132.215:51679] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:43.523091 2015] [:error] [pid 3474] [client 190.204.156.103:59542] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:45.213665 2015] [:error] [pid 3451] [client 190.204.156.103:59568] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:50.660274 2015] [:error] [pid 3472] [client 190.204.156.103:59592] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:51.354739 2015] [:error] [pid 3473] [client 82.8.22.23:49205] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:51.512948 2015] [:error] [pid 3446] [client 82.8.22.23:49206] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:51.669047 2015] [:error] [pid 3488] [client 82.8.22.23:49207] script '/var/www/html/r.php' not found or unable to stat [Thu May 07 17:12:51.838961 2015] [:error] [pid 3471] [client 82.8.22.23:49208] script '/var/www/html/r.php' not found or unable to stat 

r.php不存在。

该服务器在LAMP设置中运行Ubuntu 14.04。

我以前从来没有见过这样的攻击,我应该关心还是以任何方式保护我的系统?

看起来有人在不同的端口扫描你的网站,并寻找一个特定的文件( r.php ),这可能是一个后门或类似的东西。 由于该文件不存在,它会抛出错误(这是好的)…我也不时看到这种日志条目。

一般来说,坚持如何保护LAMP的这些答案: 保护LAMP服务器的技巧