A quick search of Google yields this from Netscape's site (on configuring
Netscape Radio to WORK through a firewall...

Q: I am working behind a firewall. What issues do I need to know about?
A: If you are operating from behind a network firewall or proxy server
(often the case in an office environment), you may need to configure
your RealAudio player. Doing so will configure the RealAudio components
within Radio@Netscape.

* Go to RealPlayer.
* From the View menu, select Preferences. Then under "Buffered play",
  select "Buffer at least 12 seconds before
* Click the Transport tab.
* Select the "Automatically select best transport" radio button.
* Click Auto-Configure.
* In the Automatic Transport Configuration window, click OK to start
  the Auto-Configure process.
* If you have further questions regarding access through a firewall,
  you should visit the firewall section of the RealAudio service site.

This means that they are using RealPlayer to listen.  Consequently it
might be a little tough to block this as Real player will even stream
over HTTP...

You might have to block all access to the ip address they are
connecting to  (looks like radio.netscape.com) -- although that might
end up blocking some of Netscape's site as well...

BTW - You might want to look at launch.yahoo.com as well as it
is similar content and once you block one, they'll find another ;)

-Tim

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
Behalf Of Cory Brown
Sent: Friday, December 20, 2002 3:42 PM
To: [EMAIL PROTECTED]
Subject: [SonicWALL]- Blocking Netscape radio and the like


It seems that the users on my network have discovered Netscape radio. Does
anyone know the port I can block to stop them. My bandwidth is suffering
greatly.

Thanks for any help.

Cory J. Brown
Information Systems Coordinator
City of Colonial Heights, VA
804/520-9270

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