if($http_x_forwarded_for !='-') { log_format main '$http_x_forwarded_for - $remote_user [$time_local] $status ' '"$request" $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$remote_addr"'; } else { log_format main '$remote_addr - $remote_user [$time_local] $status ' '"$requesby AlphaWu - How to...