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help on blocking sites on router

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

2 REPLIES

Re: help on blocking sites on router

Super Bronze

Re: help on blocking sites on router

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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