NetStream.bufferLength is set in your Flash application, in Actionscript. If you are using JW Player you can set it in the Flashvars with “&bufferlength=3” (3 is the default in JW Player)
You can restrict the number of connects per VHost in /conf/VHosts.xml. You can restrict per Application with this module, or per stream with this module.
You can view connections and server info with the built-in HTTProviders:
http://[wowza-address]:8086/connectioncounts
http://[wowza-address]:8086/connectioninfo
http://[wowza-address]:8086/serverinfo
(You need to set a username/password in /conf/admin.password to access the above pages)
To record a portion of a live stream, you can use the LiveStreamRecord example package:
Richard