百度云防护服务器获取不到真实IP，应该怎么配置

nginx的配置 应该怎么修改

stream {log_format tcp_format '$time_local|$remote_addr|$protocol|$status|$bytes_sent|$bytes_received|$session_time|$upstream_addr|$upstream_bytes_sent|$upstream_bytes_received|$upstream_connect_time';