I purchased The Load Balancing service, I set up monitoring once every 60 seconds, however I noticed from the server logs that the monitoring is doing an insane amount of checks, from 5 to 20 per second(!!!). This is definitely a bug, I increased the “interval” from 60 seconds to 600 seconds, but nothing changed. According to the logs, the checks have been going on the whole time since the monitoring started (more than 10 hours).
Here is a sample log for developers:
172.68.119.135 - - [20/Jul/2023:11:39:31 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
162.158.154.147 - - [20/Jul/2023:11:39:31 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.68.74.133 - - [20/Jul/2023:11:39:31 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.71.150.136 - - [20/Jul/2023:11:39:31 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.68.126.131 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.69.6.145 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.69.247.49 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.68.249.133 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.68.131.134 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.71.231.139 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.69.102.131 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.71.16.210 - - [20/Jul/2023:11:39:31 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.71.135.106 - - [20/Jul/2023:11:39:31 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.69.170.120 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.68.210.70 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.69.18.142 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.70.63.132 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"
172.69.47.144 - - [20/Jul/2023:11:39:32 -0700] "GET /_checkAlive.php HTTP/1.1" 200 5477 "-" "Mozilla/5.0 (compatible; Cloudflare-Traffic-Manager/1.0; +https://www.cloudflare.com/traffic-manager/; pool-id: f9d2a25bc711df1f)"