Show Real Visitor IP Instead of CloudFlare IPs - the config version /// the web ui version is here: https://openlitespeed.org/kb/show-real-visitor-ip-instead-of-cloudflare-ips/

OpenLiteSpeed config trust cloudflare ip proxy to get the real ip in logs .conf

useIpInProxyHeader               2

accessControl  {
  allow                   ALL, 173.245.48.0/20T, 103.21.244.0/22T, 103.22.200.0/22T, 103.31.4.0/22T, 141.101.64.0/18T, 108.162.192.0/18T, 190.93.240.0/20T, 188.114.96.0/20T, 197.234.240.0/22T, 198.41.128.0/17T, 162.158.0.0/15T, 104.16.0.0/13T, 104.24.0.0/14T, 172.64.0.0/13T, 131.0.72.0/22T
}

OpenLiteSpeed example config .conf

serverName
user                      www-data
group                     www-data
priority                  0
autoFix503                1
enableIpGeo               0
useIpInProxyHeader        2
adminEmails               root@localhost

accessControl  {
  allow                   ALL, 173.245.48.0/20T, 103.21.244.0/22T, 103.22.200.0/22T, 103.31.4.0/22T, 141.101.64.0/18T, 108.162.192.0/18T, 190.93.240.0/20T, 188.114.96.0/20T, 197.234.240.0/22T, 198.41.128.0/17T, 162.158.0.0/15T, 104.16.0.0/13T, 104.24.0.0/14T, 172.64.0.0/13T, 131.0.72.0/22T
}