Date: Mon, 11 Jun 2012 15:18:18 -0700 From: merlyn@stonehenge.com (Randal L. Schwartz) To: Bill Yuan <bycn82@gmail.com> Cc: Ian Smith <smithi@nimnet.asn.au>, "Brian W." <brian@brianwhalen.net>, freebsd-questions@freebsd.org Subject: Re: how to allow by MAC Message-ID: <863961ze51.fsf@red.stonehenge.com> In-Reply-To: <CAC%2BJH2xcqcDR%2B1y6zwMQ-Jqy%2BzoB2MgnM%2Bb4Nz8AMc3P-gksHw@mail.gmail.com> (Bill Yuan's message of "Mon, 11 Jun 2012 11:39:56 %2B0800") References: <20120610120041.4D0F610657C3@hub.freebsd.org> <20120611025332.N46641@sola.nimnet.asn.au> <CAC%2BJH2w6B7fXu6tvcJ8t1FZbPb7pFQVbSwk93r-9JRYpFy2hcw@mail.gmail.com> <CADV=szWbNfW-MaKi5heamPNR3qz4xiY62ynm6BgK=huPEx=K_w@mail.gmail.com> <CAC%2BJH2xcqcDR%2B1y6zwMQ-Jqy%2BzoB2MgnM%2Bb4Nz8AMc3P-gksHw@mail.gmail.com>
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>>>>> "Bill" == Bill Yuan <bycn82@gmail.com> writes: Bill> I want to create a white list MAC address, Only the machine which it's MAC Bill> in the white list will be allowed, all others will be blocked. Bad idea. Since (a) every MAC address that *is* allowed is transmitted in the clear and (b) it's trivial to spoof a MAC address. This. is. no. security. Please stop even trying. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>; Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc. See http://methodsandmessages.posterous.com/ for Smalltalk discussion
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