help on blocking sites on router

Unanswered Question
Sep 4th, 2008
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Dear sir,


i have cisco 1841 router and i want to block some of the sites is given below



i want to block the site like youtube,sex.com,zapak.com,games.com,pron.com,songs.com,



and also provide me the path how to block the sites

so that i can also block the site


Like this router is enough or i want to go for firewall,

plz give me ur suggessions.


Thanks&Regards

srini


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Joseph W. Doherty Thu, 09/04/2008 - 05:28
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Besides using NBAR, as Jorge suggests, you could query DNS to obtain IP addresses for the URL and block those.


e.g.

C:\Documents and Settings\Owner>nslookup youtube.com

.

.

Non-authoritative answer:

Name: youtube.com

Addresses: 208.117.236.69, 208.65.153.251, 208.65.153.238


For either approach, you're stuck with keeping up on the list.

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