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Date:      Tue, 24 Jun 2008 11:01:45 -0700
From:      Chuck Swiger <cswiger@mac.com>
To:        Yavuz Maslak <maslak@ihlas.net.tr>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: how to reject all mac addresses except some mac addresses using ipfw?
Message-ID:  <E866FCED-6BE9-4B3A-9790-7D0580612773@mac.com>
In-Reply-To: <3d0101c8d61f$65630ea0$dc96eed5@ihlasnetym>
References:  <3d0101c8d61f$65630ea0$dc96eed5@ihlasnetym>

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On Jun 24, 2008, at 10:26 AM, Yavuz Maslak wrote:
> 1- I want to fix an ip address for each mac address. But some pc and  
> servers have more than an ip address. How can I map multiple ip  
> addresses for a mac address?

Most people use ifconfig, perhaps indirectly via /etc/rc.conf.

> 2- I want to allow these fixed mac addresses using ipfw. After that  
> I want to deny all mac address via the server's local ethernet  
> card.  How can I do these cases?

Few choose to go that route, but you can disable ARP and set up /etc/ 
ethers, or you could even fire up your favorite firewall (IPFW, PF,  
whatever), and add allow rules for the permitted MAC addresses, and  
deny all others.

-- 
-Chuck




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