配置到stream模块中
#指定格式
log_format proxy '$remote_addr [$time_local]'
'$protocol $status $bytes_sent $bytes_received'
'$session_time "$upstream_addr" '
'"$upstream_bytes_sent" "$upstream_bytes_received" "$upstream_connect_time"';
# 指定路径
access_log /nginx/log/access.log proxy ;
error_log /nginx/log/error.log warn ;