通过代理访问nginx和直接访问nginx区别

80.82.78.38 [23/Sep/2016:05:36:18 +0800] "GET http://www.baidu.com/cache/global/img/gs.gif HTTP/1.1" - 404 162 "-" "Mozilla" 0.000 -
 
80.82.78.38 - - [22/Sep/2016:20:37:47 +0800] "GET /cache/global/img/gs.gif HTTP/1.1" 404 - 0.000  -
  
  
115.236.160.82 [23/Sep/2016:09:34:51 +0800] "GET / HTTP/1.1" - 200 30709 "-" "curl/7.44.0" 0.004 -
  
这种情况属于直接访问机器:
  
  
10.171.246.184 [23/Sep/2016:00:03:57 +0800] "GET / HTTP/1.1" - 200 30709 "https://www.baidu.com/link?url=io7vGBntp1pnUg__NjKPVfP58J01pEIVz40uWI750_W&wd=&eqid=9ded5a540001dee30000000257e40090" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Safari/537.36 Edge/13.10586" 0.001 61.50.103.98