Stupid question, is your web server on the same machine as the multiplexer? If the answer is no, then you are using the wrong IP. (That IP means "Myself" so the webserver would be trying to connect to itself.)
If everything is on the same machine, I'm not sure what to tell you other than to double check the firewall.
It's on the same machine, and it's definitely connecting because those messages appear in the server console. I even temporarily shut off iptables in attempt to disprove your firewall theory.
I basically have the same config as Silentspy as well.
very odd but i keep only getting ACCESS DENIED all the time,
I'm having the same problem with the latest version. I log in with the appropriate password, then it sits there for 15 seconds before starting to give the "ACCESS DENIED" messages. I checked the Multiplexer output, and it looked like this from when I was trying that: