Date: Tue, 22 May 2007 00:21:36 +0200 (CEST) From: Sten Spans <sten@blinkenlights.nl> To: Ian FREISLICH <ianf@clue.co.za> Cc: freebsd-current@freebsd.org Subject: Re: em0 hijacking traffic to port 623 Message-ID: <Pine.LNX.4.64.0705220019390.17702@zaphod.blinkenlights.nl> In-Reply-To: <E1Hq8eK-0001RA-2f@clue.co.za> References: <E1Hq8eK-0001RA-2f@clue.co.za>
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On Mon, 21 May 2007, Ian FREISLICH wrote: > Hi > > We've noticed an issue on our firewalls where the first em device > in the system hijacks inbound port 623 tcp and udp. The OS never > sees this traffic. Interestingly, em1 and em2 do not appear to be > afflicted by this problem. Some reading I've done points to a > similar conclusion: > > http://blogs.sun.com/shepler/entry/port_623_or_the_mount > > I've looked at the bios, but I can't find any settings that remotely > hint IPMI or RMCP+ or serial-over-lan. > > Does anyone know how I can stop the card or system from stealing > port 623 in hardware or must I just stop using em0 (and/or Intel NICS)? Does "ifconfig em0 promisc" help ? That fixed firmware related vanishing ipv6 packets on fxp and em. -- Sten Spans "There is a crack in everything, that's how the light gets in." Leonard Cohen - Anthem
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