11-18-2008 05:09 PM - edited 03-11-2019 07:14 AM
Hi, I am trying users from listening to streaming audio from the Internet. Is there a specific port I need to block? I assume it is easier to block based on traffic type, but how can this be classified?
How can this be done on a router and firweall?
11-19-2008 02:49 AM
On a routers, NABR - on a firewall try modular policy config on application and tcp/udp port numbers.
HTH>
11-19-2008 06:46 AM
HI Andrew,
On the firewall: You mentioned modular policy, are there specific (known) ports I need to look at?
On the router: You mentioned NBAR... do you know of a link that illustrates an example of this config? Like wise on the firewall?
Thanks!
11-19-2008 07:53 AM
you might be able to use http inspection:
http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/inspect.html#wp1514315
you might be able to block it that way...most streaming audio apps can randomly change/choose ports though.
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