If you mean the music service, then it would be hard to block just a port.
In fact they use a whole range of ports, among them 80 & 443, the same as all other websites using http & https. Totally blocking them would also block access to the rest of the www.
These are all the ports they use:
- TCP 80, 554, 4040, 7070, 8080, 443 (Secure Socket Layer for sign in), 1755 (MMS Windows Media requests)
- UDP 6970-32,000, 1755 (MMS Windows Media resend requests)
- HTTP 80 (AutoUpdate, Messaging Service, and HTTP Cloaking)
The simplest would be to block access to their url's:
*.rbn.com
*.llnwd.net
*.real.com
*.rhapsody.com
*.listen.com
*.doubleclick.net
J.
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by: compguy101101Posted on 2007-03-19 at 10:54:17ID: 18750122
Any takers? I am trying to find it so I can block it so that my users don't abuse the limited bandwidth that we have.