Cable modem - Secure mail

[Marcel Kunath]

Which makes me wonder. Do all TCI customers have still 10Mb modems? They
upgraded to 100Mb but are we ever gonna get different modems?

> > On Tue, Sep 12,
2000 at 05:55:49AM -0400, Sean
wrote: > > I don't think LanCity's are the only modem's that do that. The modem
> > itself is a bridge between the LAN and your machine, but the actual
> > network is using a bus toplogy rather then a star topology network where
> > you could use a switch to control traffic by MAC addresses. Therefore
> > packet sniffers would work and as long as you were sitting on the same
> > segment you were trying to sniff.
>
>     Right, but the cable modem acts as a bridge, so
>     any interface that you can sniff traffic on is
>     going to be behind that bridge. Regardless of
>     the network topology in use, the only time you
>     should be able to sniff traffic coming across a
>     cable modem (or any bridge) is if it's destined
>     for your local MAC address(es) or if the bridge
>     is not properly configured.  I have seen this
>     (incorrect) behavior on a few LanCity modems that
>     TCI configured for use with METS.  However, the
>     ineptness of some technical staffer is hardly
>     something that's specific to any one make or
>     model of cable modem. :)
>
>
> PaulM
>
> --
>                             _____________________
>                             melson@holt.k12.mi.us
>
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--
Marcel Kunath

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 Montie House Network            Greater Lansing Linux Users Group
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