Webserver attack solutions? : <p>I own an Apache webserver on a Debian 8 VPS, and i got errors like this in my error log 
What kind of attack is that? Is there any solution against?</p>

<pre><code>[Sat Feb 02 07:05:49.618301 2019] [:error] [pid 7679] [client RANDOM_IP_ADDRESS:58746] script '/var/www/html/info1.php' not found or unable to stat
[Sat Feb 02 07:05:49.876335 2019] [:error] [pid 7679] [client RANDOM_IP_ADDRESS:58746] script '/var/www/html/aaaaaa1.php' not found or unable to stat
[Sat Feb 02 07:05:50.134024 2019] [:error] [pid 7679] [client RANDOM_IP_ADDRESS:58746] script '/var/www/html/up.php' not found or unable to stat
[Sat Feb 02 07:05:50.392310 2019] [:error] [pid 7679] [client RANDOM_IP_ADDRESS:58746] script '/var/www/html/test123.php' not found or unable to stat
</code></pre>

<p>(and other 300+ errors with random path)</p>
