I have a VPS on DigitalOcean. Web server is Nginx web server. I checked the web server log files, including an access log and error log. The error log always gives information about the strange activities from some IP address. You can see the URL requested is so strange. Actually,
It is the first time, I received the abuse alert form Burst.net, the VPS service provider. They said there is some malicious content on my VPS. Their backbone providers found it and reported to them and Burst ask me to respond in 24 hours. I click the like they provided.