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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I just realized this morning that my noVNC connections were not working for IPv6 only on cloudspin.me<o:p></o:p></p><p class=MsoNormal>For those who want to deploy dual stack functionality for ovirt-websocket-proxy here is a very simple and elegant fix. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>NGINX is a useful tool :)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>You will need nginx to proxy the connection between your IPv6 customers, and the IPv4 listening only websocket proxy(however that can be changed in /usr/share/ovirt-engine/services/ovirt-websocket-proxy/ovirt-websocket-proxy.conf but you can't have your cake and eat it too… one or the other ipv4 or ipv6)<o:p></o:p></p><p class=MsoNormal>Anyways, here is the fix<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Install nginx on your websocket proxy server - Why Nginx, because I like it better than apache. The default config for Ovirt could be setup to do this with the web server that is already running :) just sayin<o:p></o:p></p><p class=MsoNormal>For my configuration I am running the websocket proxy on a different host, but I imagine you could use this config in a full deployment and use websocket proxy on the engine host<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'>server {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> server_name web.cloudspin.me; # this is the hostname that you told the engine that the websocket proxy would be listening on<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> #listen 6100; #Commented because I am using this for ipv6 only, but you could use nginx to proxy both and only open one port in the firewall<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> listen [::]:6100 ssl; #NOTE this needs to listen on the same port you told the engine the websocket proxy would be listening on <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl_certificate /physical/path/to/ssl/cert; #I used the same cert that my websocket proxy is using<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl_certificate_key /physical/path/to/ssl/key;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl on;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl_session_cache builtin:1000 shared:SSL:10m;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl_protocols TLSv1 TLSv1.1 TLSv1.2;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> ssl_prefer_server_ciphers on;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> access_log /var/log/nginx/websocket.cloudspin.me-access.log;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> error_log /var/log/nginx/websocket.cloudspin.me-error.log;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> location / {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> proxy_pass https://ip_address_of_websocket_proxy:6100;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> proxy_http_version 1.1;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> proxy_set_header Upgrade $http_upgrade;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> proxy_set_header Connection "upgrade";<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'>Too easy to fix the many problems I have had getting websocket proxy to work. If you have a commerical cert and key, this would be a great place to put it, so your users don't have to bother with trusting your CA, it will just work <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'>Cheers and I hope this helps<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'>If anyone needs any help getting this to work give me a shout<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'>Donny D<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Lucida Console"'>cloudspin.me<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>