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 From:  "GD Incorporation" <rbasuki at gdincorporation dot com>
 To:  "'Lee Sharp'" <leesharp at hal dash pc dot org>, <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] How to block a certain website with m0n0wall?
 Date:  Fri, 9 Oct 2009 11:00:28 +0700
Dear Lee

I did like what you wrote below. I went to whois.com and find info on
facebook.com domain and found that they used 4 dns servers. I was thinking
to block the DNS servers thinking that all access that goes through that
server will be rejected. But you are right if the DNS Servers are hosted to
important business oriented servers such as GoDaddy, then it will be

I hope m0n0wall have a feature to block a certain domain all at once.

Now the next question, since the m0n0wall does not seem to be able to block
one whole domain, if I put a real web portal such as dansguardian to filter
what websites can be accessed, shoud I put it between ADSL modem and
Firewall or should I put it behind firewall?

Or do you still have more tricks in your sleeves to solve my problem?


-----Original Message-----
From: Lee Sharp [mailto:leesharp at hal dash pc dot org] 
Sent: Friday, October 09, 2009 3:39 AM
To: m0n0wall at lists dot m0n0 dot ch
Subject: Re: [m0n0wall] How to block a certain website with m0n0wall?

Rendra Basuki wrote:
> Actually I am trying to block sites such as twitter, facebook, hi5, 
> and friendster since my boss said it caused lower productivity.
> Any suggestion. I tried to put firewall rules to block the IP address 
> of www.facebook.oom and facebook.com. The funny thing is that 
> www.facebook.com and facebook.com shows 2 different addresses when I ping

I am taking this back to the list, as it is handy for lost of people.

Large sites like those are NOT one computer.  Facebook actually has for possible servers, and they may move.  To filter stuff
like that, you need a real web filter.  I have used Untangle in a few
clients and it works well.  However, using it with m0n0wall can be a
challenge depending on the functions you need.  For example, Captive Portal
will not work "through" Untangle is it is a b-router and rewrites the MAC

Or, you can ping each server, the do a 'whois' on the address block, and
block the whole thing, and hope it is not hosted somewhere (like
GoDaddy) with websites you need for business reasons.


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