Date: Thu, 09 Sep 1999 17:11:55 +0200 From: sthaug@nethelp.no To: Goran.Lowkrantz@infologigruppen.se Cc: rbezuide@oskar.nanoteq.co.za, avalon@coombs.anu.edu.au, newton@atdot.dotat.org, freebsd-security@FreeBSD.ORG Subject: RE: Lisen only NIC Message-ID: <4512.936889915@verdi.nethelp.no> In-Reply-To: Your message of "Thu, 9 Sep 1999 16:48:40 %2B0200 " References: <B500F74C6527D311B61F0000C0DF5ADC07ED84@valhall.ign.se>
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> Couldn't this work if this NIC with the no-TX cable was using the same IP > address as another, active computer on the same segment? No. There are "link pulses" sent on this cable at regular intervals. If you cut the cable, link down is detected. If you want a "receive only" TP cable, you need some electronics. There are companies that make these, see for instance http://www.anzen.com/afj/afj_faq.html#anchor157338 Steinar Haug, Nethelp consulting, sthaug@nethelp.no To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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