From: srg <srgqwerty@telefonica.net>
To: "netfilter@lists.netfilter.org" <netfilter@lists.netfilter.org>
Subject: Re: MAC addresses
Date: Mon, 13 Sep 2004 20:03:58 +0000 [thread overview]
Message-ID: <4145FD2E.8060603@telefonica.net> (raw)
In-Reply-To: <1095079543.6971.1.camel@nostromo.bgsecm.com>
Also, note that if a router exits between your ssh clientS and your ssh
server then ALL ssh incoming connections from different clients will be
seen with the same source mac addr of the router (of course, each of the
connections will have different src ip (if NO nat is done in the router)).
Jose Maria Lopez wrote:
>El sáb, 11 de 09 de 2004 a las 22:01, active escribió:
>
>
>>On "Sat 11 of September 2004" Darren Kirby wrote:
>>
>>
>>
>>>Are MAC addresses unique for all ethernet cards? What I would like to
>>>know is could I use this rule to allow ssh connections ONLY from my
>>>notebook no matter what its current IP address happens to be, and drop
>>>all other connection requests?
>>>
>>>
>>Yes. MAC addresses are set in the card by the manufacturer. This is a
>>good method to control input traffic.
>>
>>For more info: http://www.webopedia.com/TERM/M/MAC_address.html
>>
>>
>
>But have in mind that some operating systems let you change the
>MAC address of the card. By example, Linux let you do that, and
>that can fool some kinds of traffic control.
>
>
>
>
next prev parent reply other threads:[~2004-09-13 20:03 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-11 18:50 MAC addresses Darren Kirby
2004-09-11 20:01 ` active
2004-09-13 15:57 ` Jose Maria Lopez
2004-09-13 20:03 ` srg [this message]
2004-09-11 21:31 ` Frank Gruellich
2004-09-11 22:23 ` Jason Opperisano
2004-09-12 0:26 ` Darren Kirby
2004-09-12 0:54 ` Jason Opperisano
2004-09-12 1:14 ` Darren Kirby
2004-09-12 2:30 ` Chris Brenton
2004-09-12 23:09 ` Darren Kirby
2004-09-11 23:09 ` Port 21, 23, and 80 are open according to Shields Up at grc.com Mike
2004-09-11 23:14 ` George Alexandru Dragoi
2004-09-12 7:38 ` Mike
2004-09-13 1:15 ` George Alexandru Dragoi
2004-09-13 12:35 ` Mike
2004-09-14 1:01 ` Nick Drage
2004-09-13 12:53 ` Jason Opperisano
2004-09-13 15:18 ` Mike
2004-09-13 21:22 ` James B. Hiller
2004-09-13 23:47 ` Mike
2004-09-14 5:09 ` Mike
2004-09-14 0:12 ` <SOLVED>Port " Mike
-- strict thread matches above, loose matches on Subject: below --
2009-08-31 10:23 Mac addresses Michael Lawson (mshindo)
2009-09-01 4:13 ` Kuzin Andrey
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