nginx version: nginx/1.9.4

#set stream proxystream {        upstream  push{               #hash $remote_addr consistent;               server gateway.sandbox.push.apple.com:2195 weight=5 max_fails=3 fail_timeout=30s;                server gateway.push.apple.com:2195 weight=5 max_fails=3 fail_timeout=30s;        }        upstream  feedback{                #hash $remote_addr consistent;                server feedback.push.apple.com:2196 weight=5 max_fails=3 fail_timeout=30s;                server feedback.sandbox.push.apple.com:2196 weight=5 max_fails=3 fail_timeout=30s;        }        server {                listen 2195; #ssl;                proxy_pass push;                #so_keepalive on;                #tcp_nodelay on;                #ssl_protocols       TLSv1 TLSv1.1 TLSv1.2;                #ssl_ciphers         AES128-SHA:AES256-SHA:RC4-SHA:DES-CBC3-SHA:RC4-MD5;                #ssl_session_cache   shared:SSL:10m;                #ssl_session_timeout 10m;        }        server {                listen 2196;                proxy_pass feedback;                #so_keepalive on;                #tcp_nodelay on;       }}