If the server doesn't log the connection attempt, then an error occurs on the client.
What is strange is that nothing is printed in the console.
What browser (and exact version) are you using?
Did you test using one of our examples too?
Now, things are confusing. Two ways you can change this so that you don't end up with a steady stream of forum threads from people. Either Enable WS/WSS by default, or Rename it "Enable Web Sockets" and put it under "Activate".