Hello,
i’m getting (more or less) every hour a visit on my website:
66.133.109.36 - - [05/Jul/2018:04:47:03 +0200] “GET /.well-known/acme-challenge/VFyDf2zegFRDxqg_wh_88ivDyD8E8IEej7wqY6mpMkI HTTP/1.0” 404 9297 “http://www.mydomain.tld/.well-known/acme-challenge/VFyDf2zegFRDxqg_wh_88ivDyD8E8IEej7wqY6mpMkI” “Mozilla/5.0 (compatible; Let’s Encrypt validation server; +https://www.letsencrypt.org)” 66.133.109.36 - - [05/Jul/2018:05:47:00 +0200] “GET /.well-known/acme-challenge/bowktI-x83nitjk1W-9MBU9R_5x1Dc5ICTcHEG3zpNQ HTTP/1.0” 404 9297 “http://www.mydomain.tld/.well-known/acme-challenge/bowktI-x83nitjk1W-9MBU9R_5x1Dc5ICTcHEG3zpNQ” “Mozilla/5.0 (compatible; Let’s Encrypt validation server; +https://www.letsencrypt.org)” 66.133.109.36 - - [05/Jul/2018:06:47:01 +0200] “GET /.well-known/acme-challenge/AureMvee6434Pm6V_dHCb-dKImENWi_u1wvQO4PdqDI HTTP/1.0” 404 9296 “http://www.mydomain.tld/.well-known/acme-challenge/AureMvee6434Pm6V_dHCb-dKImENWi_u1wvQO4PdqDI” “Mozilla/5.0 (compatible; Let’s Encrypt validation server; +https://www.letsencrypt.org)” 66.133.109.36 - - [05/Jul/2018:07:47:01 +0200] “GET /.well-known/acme-challenge/PYK14JuHC6lY0TIx9FTMPuqIB0LxRLNXaMd4kTFAPZM HTTP/1.0” 404 9301 “http://www.mydomain.tld/.well-known/acme-challenge/PYK14JuHC6lY0TIx9FTMPuqIB0LxRLNXaMd4kTFAPZM” “Mozilla/5.0 (compatible; Let’s Encrypt validation server; +https://www.letsencrypt.org)”
My domain is: (don’t want to disclose)
I ran this command: none, I only keep getting this message in log files almost hourly.
It produced this output: none
My web server is (include version): apache 2.2.15
The operating system my web server runs on is (include version): centos 6.9 final x64
My hosting provider, if applicable, is: (don’t want to disclose)
I can login to a root shell on my machine (yes or no, or I don’t know): yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): plesk 17.5.3
certificate is valid, I do not understand why I’ve been hit so frequently with requests: can you help in some way?
Thanks and best regards.