Date: Mon, 26 Jul 2004 07:13:01 -0400 From: James Housley <jim@Thehousleys.net> To: Charlie Schluting <charlie@schluting.com> Cc: freebsd-net@freebsd.org Subject: Re: spoofed MAC on a dhcp interface Message-ID: <4104E73D.5020906@Thehousleys.net> In-Reply-To: <410455E9.8090106@schluting.com> References: <410455E9.8090106@schluting.com>
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This is a cryptographically signed message in MIME format. --------------ms000106030405060506090403 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Charlie Schluting wrote: > Hi :) > > /etc/rc.conf: > ifconfig_xl0="ether 00:11:11:11:11:11" > ifconfig_xl0="DHCP" > > The above doesn't work.. > I'm trying to set the mac, and then dhcp.. is this the correct way? > > With this config, its not getting the mac assigned to xl0, so I have to > stop dhclient, run "ifconfig ether 00:11:11:11:11:11" manually, then > dhcp again. I needed to do the exact thing so I could switch to replace dead NIC without having to involve my Cable company. /etc/rc.conf: ifconfig_xl0="DHCP" # DHCP on external interface The key was created /etc/start_if.xl0: #!/bin/sh # # Needed to fake my MAC at Comcast # /sbin/ifconfig xl0 ether 00:80:c8:de:1a:50 /sbin/ifconfig xl0 up Jim -- /"\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ ----------------------------------------------------------------- jeh@FreeBSD.org http://www.FreeBSD.org The Power to Serve jim@TheHousleys.Net http://www.TheHousleys.net --------------------------------------------------------------------- A Microsoft Certified Systems Engineer is to computing what a McDonalds Certified Food Specialist is to fine cuisine. -- Jack O'Neill --------------ms000106030405060506090403 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJIzCC AuwwggJVoAMCAQICAwucmTANBgkqhkiG9w0BAQQFADBiMQswCQYDVQQGEwJaQTElMCMGA1UE ChMcVGhhd3RlIENvbnN1bHRpbmcgKFB0eSkgTHRkLjEsMCoGA1UEAxMjVGhhd3RlIFBlcnNv bmFsIEZyZWVtYWlsIElzc3VpbmcgQ0EwHhcNMDQwMTMxMTkxMTAwWhcNMDUwMTMwMTkxMTAw 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