em0 hijacking traffic to port 623

Ian FREISLICH ianf at clue.co.za
Tue May 22 05:20:11 UTC 2007

"Jack Vogel" wrote:
> On 5/21/07, Sten Spans <sten at blinkenlights.nl> wrote:
> > On Mon, 21 May 2007, Ian FREISLICH wrote:
> > > 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.
> Is this happening even with the latest CURRENT driver,  there is code in
> it now that is supposed to stop the firmware from doing that, at least
> that was the theory :)

No, it's a March 6 current.  How safe is it to just update the
sys/dev/em directory and recompile?  Quite a lot has changed in
CURRENT since then and I don't want to update everything on these
servers just yet.


Ian Freislich

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