just found this...

[Gary Kline]

Guys, 

I'm probably among the last of our millions on this list to find
this narrow-cast/webcast, but think it is way overdue.   It's on
BSD, and the following show discussed pfSense.  It's a ~~20M d/load 
stream.  The following gives you clues on the latest pfSense and all
the things it is//will be doing.

http://feeds.feedburner.com/tbs-mp3

I've probably already ranted scores of times that there were no
undergrad networking courses when i was in school, so things like
these are at least entrypoints.  My experience with things-computer
is that learning more is largely DIY.  Be nice to see more
opencoursework classes in general.  Since Unix has the best
philosophy, it is the best way for people to learn.   [[ Not that
I'm biases or anything... . ]]

Enjoy, y'all.

-- 
 Gary Kline  kline at thought.org  http://www.thought.org  Public Service Unix
           Journey Toward the Dawn, E-Book: http://www.thought.org
          The 7.97a release of Jottings: http://jottings.thought.org