Hi,

Not sure about the version, but it does work with non-empty credentials. The only issue is when I set nil or empty strings to username and password in the initializer of LSConnectionInfo.

Here is the log as you requested:

2015-07-06 11:21:28.231 Hoops[2257:201376] <Thread 0x17407b800> LSClient 0x17414e860: opening connection...
2015-07-06 11:21:28.235 Hoops[2257:201422] <Thread 0x1740eae00> LSConnectionStateMachine 0x174283d40: handling event Conn in state None...
2015-07-06 11:21:28.301 Hoops[2257:201424] <Thread 0x1700ec180> iSLSession 0x1700ec380: dispatching connection to http://54.76.5.24/lightstreamer/create_session.txt
2015-07-06 11:21:28.305 Hoops[2257:201424] <Thread 0x1700ec180> iSLSession 0x1700ec380: connection to http://54.76.5.24/lightstreamer/create_session.txt dispatched
2015-07-06 11:21:28.865 Hoops[2257:201427] <Thread 0x1700b9200> iSLSession 0x1700ec380: connection received response: <NSHTTPURLResponse: 0x174221d20> { URL: http://54.76.5.24/lightstreamer/create_session.txt } { status code: 200, headers {
"Cache-Control" = "no-store,no-cache";
"Content-Length" = 16;
"Content-Type" = "text/enriched; charset=iso-8859-1";
Date = "Mon, 6 Jul 2015 08:23:16 GMT";
Expires = "Thu, 1 Jan 1970 00:00:00 GMT";
Pragma = "no-cache";
Server = "Lightstreamer/5.1.2 build 1623.14 (Lightstreamer Push Server - www.lightstreamer.com) Vivace edition";
} }
2015-07-06 11:21:28.867 Hoops[2257:201427] <Thread 0x1700b9200> iSLSession 0x1700ec380: connection finished
2015-07-06 11:21:33.241 Hoops[2257:201422] <Thread 0x1740eae00> LSConnectionStateMachine 0x174283d40: handling event Tout in state Wait...
2015-07-06 11:21:33.244 Hoops[2257:201424] <Thread 0x1700ec180> iSLSession 0x1740ede80: dispatching connection to http://54.76.5.24/lightstreamer/create_session.txt
2015-07-06 11:21:33.245 Hoops[2257:201424] <Thread 0x1700ec180> iSLSession 0x1740ede80: connection to http://54.76.5.24/lightstreamer/create_session.txt dispatched
2015-07-06 11:21:33.246 Hoops[2257:201424] <Thread 0x1700ec180> LSConnectionStateMachine 0x174283d40: cleaning up session...
2015-07-06 11:21:33.249 Hoops[2257:201424] <Thread 0x1700ec180> LSConnectionStateMachine 0x174283d40: session cleaned up
2015-07-06 11:21:44.379 Hoops[2257:201442] Connection timed out