升级到最新版本的socket.io（
npm installsocket.io@0.6.8已修补以与HAProxy一起使用的0.6.8->），并下载最新版本的HAProxy。
这是一个示例配置文件：
global maxconn 4096 # Total Max Connections. This is dependent on ulimit nbproc 2defaults mode httpfrontend all 0.0.0.0:80 timeout client 5000 default_backend www_backend acl is_websocket hdr(Upgrade) -i WebSocket acl is_websocket hdr_beg(Host) -i ws use_backend socket_backend if is_websocketbackend www_backend balance roundrobin option forwardfor # This sets X-Forwarded-For timeout server 5000 timeout connect 4000 server server1 localhost:8081 weight 1 maxconn 1024 check server server2 localhost:8082 weight 1 maxconn 1024 check server server3 localhost:8083 weight 1 maxconn 1024 checkbackend socket_backend balance roundrobin option forwardfor # This sets X-Forwarded-For timeout queue 5000 timeout server 5000 timeout connect 5000 server server1 localhost:8081 weight 1 maxconn 1024 check server server2 localhost:8082 weight 1 maxconn 1024 check server server3 localhost:8083 weight 1 maxconn 1024 check
