<div>I write this and it success proxyed , but I want to let the proxy use <span style="line-height:18px;color:rgb(34,34,34);font-size:14px;font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif">SPDY</span></div>


<div><span style="line-height:18px;color:rgb(34,34,34);font-size:14px;font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif">there is no how to use </span><span style="line-height:18px;color:rgb(34,34,34);font-size:14px;font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif">SPDY in revese proxy in the document</span></div>


<div><span style="line-height:18px;color:rgb(34,34,34);font-size:14px;font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif"><br></span></div><div>server{</div><div>
    listen       443;</div><div>    server_name  <a href="http://42btc.com" target="_blank">42btc.com</a>;</div><div><br></div><div>    ssl on;</div><div>    ssl_certificate /etc/ssl/certs/42btc.crt;</div><div>    ssl_certificate_key /etc/ssl/private/42btc.key;</div>


<div>    #enables SSLv3/TLSv1, but not SSLv2 which is weak and should no longer be used.</div><div>    ssl_protocols SSLv3 TLSv1;</div><div>    #Disables all weak ciphers</div><div>    ssl_ciphers ALL:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM; </div>


<div><br></div><div>    location / {</div><div><br></div><div>        proxy_set_header HOST <a href="http://42btc-com.appspot.com" target="_blank">xxx.appspot.com</a>;</div>
<div><br></div><div>        proxy_set_header REMOTE-HOST $remote_addr;</div><div>        proxy_set_header X-Real-IP $remote_addr;</div><div>        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;</div><div>   </div>


<div>        proxy_pass  <a href="https://173.194.72.141" target="_blank">https://173.194.72.141</a>;</div><div>    }</div><div>}</div><div><br></div><div>server {</div><div>    listen      80;</div><div>    server_name <a href="http://www.42btc.com" target="_blank">www.42btc.com</a> <a href="http://42btc.com" target="_blank">42btc.com</a> *.<a href="http://42btc.com" target="_blank">42btc.com</a>;</div>


<div>    charset utf-8;</div><div>    rewrite ^(.*)$ <a href="https://42btc.com" target="_blank">https://42btc.com</a>$1 permanent;</div><div>}</div><div><br></div>