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Community Member

How to trace web site on Router 1841

Dear All,

I would like to ask you some question ,right now i used Cisco Router 1841 and i would like to control web site that my client access ( i mean that when i client access www.sex.com then i can trace)

So how i can control or need some application for control on this?

Please help to answer me!!!!

Best Regards,

Rechard

5 REPLIES
Hall of Fame Super Silver

Re: How to trace web site on Router 1841

Hello Rechard,

if you provide a DNS server to your router it can trace to urls.

conf t

ip name-server ?

A.B.C.D Domain server IP address (maximum of 6)

However, implementing this in an automatic manner is a different matter.

You can try to log what users are trying to access.

Web filtering may require an external box.

Hope to help

Giuseppe

Community Member

Re: How to trace web site on Router 1841

Dear Giuseppe,

Thank you for your reply to me!!!

yes, i configured like this: ip name-server 202.178.113.28

Sorry Could you help me to explain me more than this.

so after i assigned ip name server how can i control ?

Best Regards,

Rechard

Hall of Fame Super Silver

Re: How to trace web site on Router 1841

Hello Rechard,

what you would like to do?

log internet access of users

apply a web filtering option

traceroute to URLs can be helpful but they are only part of the solution.

Hope to help

Giuseppe

Silver

Re: How to trace web site on Router 1841

If you know the websites that you want to block, and the list is not too big, you can use nbar.

ip cef

class-map match-any DROPSITE

match protocol http url "www.sex.com"

policy-map DROPSITE

class DROPSITE

drop

interface fastethernet 0/0/0

description LAN INTERFACE

service-policy input DROPSITE

Yuo can even use "*", so for example if you don't want users to visit any website that contains the word "sex" in the url

class-map match-any DROPSITE

match protocol http url "*sex*"

Silver

Re: How to trace web site on Router 1841

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