Setting up PHP Websockets

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http://serverfault.com – I've written a game using PHP web sockets that runs well on my local development server. I'm now attempting to run the web socket server on a non-local server, but my client JavaScript isn't able to connect. I'm attempting this on a clean install of Ubuntu Server x64 - I've installed apache2, php5, and made sure the PHP socket extention is enabled; the server is working great for non-web socket purposes. Is there a configuration setting I'm missing? I've tried shutting down my firewall (via ufw disable). Any clues would be much appreciated. EDIT Here's the PHP library I'm using: https:/ (HowTos)