<p>Hi again,</p><p>&nbsp;&nbsp; I&#39;m trying to test the SockJS PR code on our  network (which restricts some non-origination port access). Here is the  errors I get loading a notebook.</p><p>&nbsp;</p><div><div><table border="0" cellspacing="0" cellpadding="0" width="100%"><tbody></tbody></table></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>GET http://ec2-23-22-85-215.compute-1.amazonaws.com/...6f72-2332-4b46-801e-7b2ac3d7279c?_=1348150153522</div></td><td><div>200 OK</div></td><td><img src="http://ontrenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td><span> 875ms</span></td><td><div>jquery...v=ddb84 (line 4)</div></td></tr></tbody></table></div></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>POST http://ec2-23-22-85-215.compute-1.amazonaws.com/...ls?notebook=3f516f72-2332-4b46-801e-7b2ac3d7279c</div></td><td><div>200 OK</div></td><td><img src="http://on
trenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td><span> 156ms</span></td><td><div>jquery...v=ddb84 (line 4)</div></td></tr></tbody></table></div></div><div><pre>Kernel started: </pre><span> </span><span>4fcdd448-528c-4398-9f35-66ef0c8dd845</span><div>kernel.js?v=8ec9a (line 72)</div></div><div><pre>Starting SockJS:</pre><span> </span><span>http://ec2-23-22-85-215.compute-1.amazonaws.com/kernels/4fcdd448-528c-4398-9f35-66ef0c8dd845</span><div>kernel.js?v=8ec9a (line 128)</div></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>GET http://ec2-23-22-85-215.compute-1.amazonaws.com/...s/4fcdd448-528c-4398-9f35-66ef0c8dd845/sock/info</div></td><td><div>200 OK</div></td><td><img src="http://ontrenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td><span> 31ms</span></td><td><div>sockjs...v=677b0 (line 27)</div></td></tr></tbody></table></div></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>POST http://ec2-23-22-85-215.compute-1.amazonaws.com/...f35-66ef0c8dd845/sock/694/20e9o3i2/xhr_streaming</div></td><td><div>Aborted</div></td><td><img src="http://ontrenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td>&nbsp;</td><td><div>sockjs...v=677b0 (line 27)</div></td></tr></tbody></table></div></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>POST http://ec2-23-22-85-215.compute-1.amazonaws.com/...28c-4398-9f35-66ef0c8dd845/sock/694/9j21bbu5/xhr</div></td><td><div>200 OK</div></td><td><img src="http://ontrenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td><span> 156ms</span></td><td><div>sockjs...v=677b0 (line 27)</div></td></tr></tbody></table></div></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>POST http://ec2-23-22-85-215.compute-1.amazonaws.com/...398-9f35-66ef0c8dd845/sock/694/9j21bbu5/xhr_send</div></td><td><div>500 Internal Server Error</div></td><td><img src="http://ontrenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td><span> 63ms</span></td><td><div>sockjs...v=677b0 (line 27)</div></td></tr></tbody></table></div></div><div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td><div>POST http://ec2-23-22-85-215.compute-1.amazonaws.com/...28c-4398-9f35-66ef0c8dd845/sock/694/9j21bbu5/xhr</div></td><td><div>200 OK</div></td><td><img src="http://ontrenet.com/ControlPanel/webmail/message.xsl?folder=Sent%20Items&amp;uid=147" alt="" /></td><td><span> 47ms</span></td><td><div>sockjs...v=677b0 (line 27)</div></td></tr></tbody></table></div></div><div><pre>&quot;NetworkError: 500 Internal Server Error - http://ec2-23-22-85-215.compute-1.amazonaws.com/kernels/4fcdd448-528c-4398-9f35-66ef0c8dd845/sock/694/9j21bbu5/xhr_send&quot;</pre><div>xhr_send</div></div><div><pre><div><span>The connection to ws://ec2-23-22-85-215.compute-1.amazonaws.com/kernels/4fcdd448-528c-4398-9f35-66ef0c8dd845/sock/694/k9gnz13n/websocket was interrupted while the page was loading.</span></div><div><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td>&nbsp;</td><td><pre>...)})},y.prototype._didMessage=function(a){var b=this,c=a.slice(0,1);switch(c){cas...</pre><div>sockjs...v=677b0 (line 27)</div></td></tr></tbody></table></div></pre></div></div><p>&nbsp;</p>