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Date:      Thu, 22 Mar 2001 11:53:15 -0600 (CST)
From:      Chris Byrnes <chris@jeah.net>
To:        Mike Silbersack <silby@silby.com>
Cc:        <scanner@jurai.net>, Marc Rogers <marcr@shady.org>, <freebsd-security@FreeBSD.ORG>
Subject:   Re: DoS attack - advice needed
Message-ID:  <Pine.BSF.4.33.0103221152140.12333-100000@awww.jeah.net>
In-Reply-To: <Pine.BSF.4.31.0103221143100.21839-100000@achilles.silby.com>

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> > Why?  If you have idiots running ping -f yourserver.com from 150 ISPs
> > around the world, you're going to want to filter ICMP.  That's what I did
> > awhile back.
> >
> > And I haven't found a valid reason to re-enable it.
>
> The ratelimiting in 4.3 handles that now, so it's not necessary to block
> it anymore.  (Though if you're being pung constantly, I can understand the
> desire to block it.)

Erm.  450mbps in 45 minutes? ;)

We filtered it upstream on the edge routers, because it was killing
the T1s, obviously.

-Chris


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