topic Re: Blocking specific data type in Network Security https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096944#M893348 <HTML><HEAD></HEAD><BODY><P>you might be able to use http inspection:</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/inspect.html#wp1514315" target="_blank">http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/inspect.html#wp1514315</A></P><P>you might be able to block it that way...most streaming audio apps can randomly change/choose ports though.</P></BODY></HTML> Wed, 19 Nov 2008 15:53:56 GMT srue 2008-11-19T15:53:56Z Blocking specific data type https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096941#M893332 <P>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? </P><P></P><P>How can this be done on a router and firweall?</P> Mon, 11 Mar 2019 14:14:57 GMT https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096941#M893332 ronshuster 2019-03-11T14:14:57Z Re: Blocking specific data type https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096942#M893334 <HTML><HEAD></HEAD><BODY><P>On a routers, NABR - on a firewall try modular policy config on application and tcp/udp port numbers.</P><P></P><P>HTH&gt;</P></BODY></HTML> Wed, 19 Nov 2008 10:49:43 GMT https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096942#M893334 andrew.prince 2008-11-19T10:49:43Z Re: Blocking specific data type https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096943#M893343 <HTML><HEAD></HEAD><BODY><P>HI Andrew,</P><P></P><P>On the firewall: You mentioned modular policy, are there specific (known) ports I need to look at?</P><P></P><P>On the router: You mentioned NBAR... do you know of a link that illustrates an example of this config? Like wise on the firewall?</P><P></P><P>Thanks!</P></BODY></HTML> Wed, 19 Nov 2008 14:46:48 GMT https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096943#M893343 ronshuster 2008-11-19T14:46:48Z Re: Blocking specific data type https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096944#M893348 <HTML><HEAD></HEAD><BODY><P>you might be able to use http inspection:</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/inspect.html#wp1514315" target="_blank">http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/inspect.html#wp1514315</A></P><P>you might be able to block it that way...most streaming audio apps can randomly change/choose ports though.</P></BODY></HTML> Wed, 19 Nov 2008 15:53:56 GMT https://community.cisco.com/t5/network-security/blocking-specific-data-type/m-p/1096944#M893348 srue 2008-11-19T15:53:56Z