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SubjectRe: Networking with slow CPUs
On Fri, Mar 29, 2002 at 10:47:55AM -0500, Bill Davidsen wrote:
> On Fri, 29 Mar 2002 pjd@fred001.dynip.com wrote:
>
> > Robert Schwebel wrote:
> > >
> > > Is there a possibility to "harden" a small machine (33 MHz embedded
> > > device) against e.g. flood pings from the outside world?
> >
> > It *is* bleeding edge, as someone else pointed out, but you should
> > really investigate NAPI. It's designed to make Linux resiliant against
> > non-flow-controlled network loads like routing, which sounds like
> > just the ticket.
>
> There is rate limiting in recent iptables, as well. I don't regard
> iptable as bleeding edge, so that may have a higher comfort level.
>

Yes, but it won't keep the interrupts from all of those packets from
overloading, and DoSing it or possibly crashing the system.
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