08-05-2009 01:40 AM - edited 03-09-2019 10:29 PM
Hi,
is need the required configuration for blocking certain websites on the IOS.
08-05-2009 04:58 AM
http://www.cisco.com/en/US/products/hw/routers/ps359/products_tech_note09186a00800fc176.shtml
http://ardenpackeer.com/qos-voip/tutorial-how-to-use-cisco-mqc-nbar-to-filter-websites-like-youtube/
unless you want to use a 3rd party app like websense, you'll have to use nbar in IOS.
08-05-2009 12:51 PM
You should use a a supported 3rd party app like Steven suggested. You could also configure URL filtering, explicity deny the domains you want blocked then change the allowmode to permit. This could cause high CPU utilization, so proceed with care. You can reference pg 435-436 in Richard Deals 'Cisco Router Firewall Security' for more info.
08-05-2009 01:38 PM
Following is the example to perform URL filtering using CBAC without using
web filtering servers.
# ip urlfilter exclusive-domain deny .yahoo.com
# ip urlfilter exclusive-domain deny .hotmail.com
# ip inspect name fire http urlfilter
Reference :-
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ftwebsen.htm
l#wp1039020
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