Messages in this thread | | | Date | Tue, 2 Feb 1999 12:05:42 GMT | From | Sam Mortimer <> |
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Subject: Re: howto disable auto route setup? Summary: Expires: References: <795laj$t68$1@gate.mps.co.uk> Sender: Followup-To: Distribution: Organization: MPS. Keywords:
In article <795laj$t68$1@gate.mps.co.uk>, Peter T. Breuer <ptb@it.uc3m.es> wrote: >Sam wrote > > i believe you're missing the whole point. Alexey summed it up nicely > > earlier. when you ifconfig an interface the main thing you do is tell > > the kernel which set of ip addresses can be reached directly via that > > interface. ie the route is implicit when you configure the interface. > >No - what happens if you are a firewall? You want to configure the interface >without taking packets from it. You want to block the packets or pass them to >the other interface. No route.
1) you don't want any packets from the interface -> don't ifconfig it. 2) you want to selectively filter which packets are allowed via the interface. ifconfig it, then use ipchains.
-Sam.
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