默认格式

log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

添加$host

log_format  main  '$remote_addr - $remote_user [$time_local] $host "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

添加$http_cookie

#添加http_cookie
    '"$http_user_agent" "$http_x_forwarded_for" $http_cookie';
#添加后端地址 和请求时间
    '"$upstream_addr" $request_time $upstream_response_time';

记录authorization

'"$http_authorization"';