Restrict computers access on intranet using mac address

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Junayd

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Jan 12, 2017
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I built a local area network having 10 computers, they are connected by CISCO unmanaged switch, this network is not connected to internet now what I want is that only the computers which admin allows be on the LAN and no other computer can be connected like we can restrict by applying MAC filter on a router. Is it possible using some software or windows settings because this network has switch not router
 
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L
as far as I know, no.

Most firewalls allow you to allow access to/from certain IP's
Most routers allow you to lock certain IP to certain MAC address
Some routers allow you to deny ALL access to non dhcp given IP's

Thus.. 3rd party computer plugged to network will get IP but it cannot connect to other computers (since it doesn't have allowed IP given by router)

your situation, with just unmanaged switch has none of that. it doesn't work like that.

if your intranet has windows server acting as DHCP server, you might be able to do it:
https://technet.microsoft.com/en-us/library/ff521761.aspx

There are a LOT of ways to do it on linux side though, that doesn't apply to your windows enviroment though.
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Herc08

Herc08

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Aug 6, 2016
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Wait, you have an intranet, but don't know how to block MAC address? Why didn't you just use a router in the first place? That switch still communicates with MAC addresses, correct?

Honestly, this sounds like a homework question for some course or class.
 
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L

little_me

Splendid
May 9, 2015
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as far as I know, no.

Most firewalls allow you to allow access to/from certain IP's
Most routers allow you to lock certain IP to certain MAC address
Some routers allow you to deny ALL access to non dhcp given IP's

Thus.. 3rd party computer plugged to network will get IP but it cannot connect to other computers (since it doesn't have allowed IP given by router)

your situation, with just unmanaged switch has none of that. it doesn't work like that.

if your intranet has windows server acting as DHCP server, you might be able to do it:
https://technet.microsoft.com/en-us/library/ff521761.aspx

There are a LOT of ways to do it on linux side though, that doesn't apply to your windows enviroment though.
 
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