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   |  upstream wss_svr {     server 127.0.0.1:8080; }
  map $http_upgrade $connection_upgrade { 	default keep-alive; 	'websocket' upgrade; }
  server {     listen       80;     server_name  aaa.bbb.ccc;
      location / { 	    proxy_http_version 1.1;         proxy_redirect off;         proxy_set_header Host $host;         proxy_set_header X-Real_IP $remote_addr;         proxy_pass http://wss_svr;         proxy_set_header Upgrade $http_upgrade;         proxy_set_header Connection $connection_upgrade;         proxy_set_header REMOTE-HOST $remote_addr;         proxy_set_header X-Forwared-For $proxy_add_x_forwarded_for;     } }
 
 
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