Yep, that does the trick!

Code:
<use_enriched_content_type>N</use_enriched_content_type>
<padding>2048</padding>
Code:
2016-09-28 10:26:30.144 OSXConnectionTesting3[42934:5980634] CONNECTING
2016-09-28 10:26:30.293 OSXConnectionTesting3[42934:5980634] CONNECTED:STREAM-SENSING
2016-09-28 10:26:30.302 OSXConnectionTesting3[42934:5980634] CONNECTED:HTTP-STREAMING
Thanks once again for your help.

Phew!