Nginx: is it possible to block spam requests?

Question

Nginx

Entries like this often appear in access.log:

X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36"
111.229.118.166 - - [02/Jan/2020:18:46:56 +0300] "GET /phpMyAdmin4.8.1/index.php HTTP/1.1" 404 580 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36"
111.229.118.166 - - [02/Jan/2020:18:46:56 +0300] "GET /phpMyAdmin4.8.2/index.php HTTP/1.1" 404 580 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36"
111.229.118.166 - - [02/Jan/2020:18:46:58 +0300] "GET /phpMyAdmin4.8.3/index.php HTTP/1.1" 404 580 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36"
111.229.118.166 - - [02/Jan/2020:18:46:58 +0300] "GET /phpMyAdmin4.8.4/index.php HTTP/1.1" 404 580 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36"
111.229.118.166 - - [02/Jan/2020:18:46:28 +0300] "GET /joomla/ HTTP/1.1" 404 580 "-" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0)"
111.229.118.166 - - [02/Jan/2020:18:46:30 +0300] "POST /%75%73%65%72%2e%70%68%70 HTTP/1.1" 404 580 "554fcae493e564ee0dc75bdf2ebf94caads|a:3:{s:2:\x22id\x22;s:3:\x22'/*\x22;s:3:\x22num\x22;s:141:\x22*/ union select 1,0x272F2A,3,4,5,6,7,8,0x7b247b24524345275d3b6469652f2a2a2f286d6435284449524543544f52595f534550415241544f5229293b2f2f7d7d,0--\x22;s:4:\x22name\x22;s:3:\x22ads\x22;}554fcae493e564ee0dc75bdf2ebf94ca" "Mozilla/5.0 (Windows NT 6.1; Win64; x64)

Is it possible to send a ban for several hours using Nginx, so that Nginx does not once again mutuz with such requests? Or does it make no sense?

Answer 1

nginx.com/blog/rate-limiting-nginx/