Apache - websocket handshake error, unexpected response code: 502
I have the following Apache setup but its error with the following error:
WebSocket connection to 'wss: //mydoain.com/socket.io/1/websocket/zpxKUhj9zN3MsTdXIkrL' failed: error during WebSocket handshake: unexpected response code: 502
#Server version: Apache/2.2.15 (Unix)
#Server built: Jul 23 2014 14:17:29
NameVirtualHost *:443
<VirtualHost *:443>
Header set Access-Control-Allow-Origin: "https://from.mydomain.com"
SSLEngine on
SSLProxyEngine On
ProxyPreserveHost On
SSLProtocol all -SSLv2
SSLCipherSuite ALL:!ADH:!EXPORT:!SSLv2:RC4+RSA:+HIGH:+MEDIUM:+LOW
SSLCertificateFile /etc/key.crt
SSLCertificateKeyFile /etc/key.key
SSLCertificateChainFile /etc/key.ca
ServerName to.mydomain.com
ServerAlias to.mydomain.com
ProxyPass / http://localhost:8888/
ProxyPassReverse / http://localhost:8888/
#ProxyPassReverseCookiePath /MYSITE/ /
CacheDisable *
</VirtualHost>
NOTE. The server http://localhost:8888
is a websocket based signaling server.
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