As per Wikipedia, WebSocket is a technology providing for bi-directional, full-duplex communications channels, over a single Transmission Control Protocol (TCP) socket, designed to be implemented in web browsers and web servers but can be utilized by any client or server application.
Nathan Mische has announced a new version of his ColdFusion WebSocket Gateway, which, as its name suggests, allows for WebSocket messaging between ColdFusion and conforming clients.
I had the same question recently for a similar project. I'm considering using some sort of TELNET logger and then using a ColdFusion Directory Watcher service, but have been having problems with the TELNET connection dropping during period of inactivity. (I'm considering using a PowerShell script and having it reconnect during periods of inactivity to avoid being dropped.) I've posted a question in the BACFUG mail list and didn't get any response. I'm also interested in finding anything that can stay connected, listen via TELNET and log directly to either a database or logfile.