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Block Internet Sharing in Lan

 
 
WebWalker
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      25th Jan 2005
Please forget me for this very novice question.

How to block few computers from accessing Internet under the following
2 situations :-

1) Router
2) ICS (Internet Connection Sharing)

OS - Win XP and Win 98

TIA

--
WebWalker
 
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Brian
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      25th Jan 2005

"WebWalker" <(E-Mail Removed)> schrieb im Newsbeitrag
news:(E-Mail Removed)...
> Please forget me for this very novice question.
>
> How to block few computers from accessing Internet under the following
> 2 situations :-
>
> 1) Router
> 2) ICS (Internet Connection Sharing)
>
> OS - Win XP and Win 98
>
> TIA
>
> --
> WebWalker


ok.. done.. who are you?


 
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TheBeat999
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      25th Jan 2005
"WebWalker" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Please forget me for this very novice question.
>
> How to block few computers from accessing Internet under the following
> 2 situations :-
>
> 1) Router
> 2) ICS (Internet Connection Sharing)
>
> OS - Win XP and Win 98


Provided the ICS host doesn't have any shared folders or printers, you could simply
block the specific IP addresses using a personal firewall on the ICS host.
Unfortunately, ICS uses DHCP by default, so IP addresses could vary (they are
allocated dynamically). The answer is to add the DNS suffix "MSHOME.NET" (no quotes)
to each machine's TCP/IP Properties. A machine named "MARS" would then have the
fully-qualified name of "MARS.MSHOME.NET". You can then assign static address to each
connected machine in the range 192.168.0.2 - 192.168.0.254 (the ICS host is
192.168.0.1 of course). The subnet mask should be 255.255.255.0. The router should
still allow network access to all machines, but the ICS host will only be available
to those that aren't blocked by its firewall.

Alternatively, if your modem is connected to the router (or it has a built-in modem),
then you can dump ICS altogether. The router is your gateway machine (192.168.0.1) and
you should be able to configure which IP or MAC addresses can gain Internet access
without affecting network access. Again, you should use static IP addresses if
blocking by IP address, but the DNS suffix is optional.





 
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Jerry G.
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      25th Jan 2005
I don't want to go in to very deep, and long details over an email. But,
check to see if your router can filter by MAC or physical address. Get the
MAC numbers of the machines that you want to block, and enter them in to the
filter, as to not allow.

There are a number of good routers out there that can do this for you. The
MAC address is a physical address that never changes. It is with the
hardware only. Every NIC card and device made to work in networks, have
their own unique MAC address.

You can see the MAC addresses, by going to the command prompt, and typing
IPCONFIG / ALL

You will have to determine from the display contents, which address is the
one for the network card in the machine. This number is displayed in HEX,
and must be written as such.

--

Jerry G.
======


"WebWalker" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
Please forget me for this very novice question.

How to block few computers from accessing Internet under the following
2 situations :-

1) Router
2) ICS (Internet Connection Sharing)

OS - Win XP and Win 98

TIA

--
WebWalker


 
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Duane Arnold
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      25th Jan 2005
WebWalker <(E-Mail Removed)> wrote in
news:(E-Mail Removed):

> Please forget me for this very novice question.
>
> How to block few computers from accessing Internet under the following
> 2 situations :-
>
> 1) Router
> 2) ICS (Internet Connection Sharing)
>
> OS - Win XP and Win 98
>
> TIA
>


Most good NAT routers will have an Admin screen that will allow you to give
the NIC MAC address of the machine you want to block from accessing the
Internet.

The second thing is that the router should be the gateway device and will
provide the ICS and a computer is no longer needed for the ICS.

http://www.homenethelp.com/web/explain/about-NAT.asp

Duane

 
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Kadaitcha Man
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Posts: n/a
 
      26th Jan 2005
Duane Arnold, <(E-Mail Removed)>, the tentacular, clitoric hereditary
disease, and worker employed by farms to fill sacks with cow manure, cooked
up:


> the router ... will provide the ICS


BWAHAHAHAHAHAHAHAHAHAHAHAH!!!





 
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