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Date:      Tue, 01 Dec 1998 15:32:59 -0800
From:      Mike Smith <mike@smith.net.au>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        David Greenman <dg@root.com>, freebsd-current@FreeBSD.ORG
Subject:   Re: D.O.S. attack protection enhancements commit (ICMP_BANDLIM) 
Message-ID:  <199812012333.PAA00825@dingo.cdrom.com>
In-Reply-To: Your message of "Mon, 30 Nov 1998 23:26:26 PST." <199812010726.XAA03791@apollo.backplane.com> 

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> :general scheme implemented perhaps inside the ipfw framework would be more
> :appropriate. I also generally like to avoid compile time options for things
> :like this, but I"m sympathetic for performance reducing enhancements.
> :
> :-DG
> 
>     I figure we would make it the default in 6 months to a year, but 
>     we should have it optioned initially so people can play with it
>     and also because it defaults to enabled when optioned-in, which I
>     think is important.

Just a consideration; if possible, make it run-time tunable with a 
boolean sysctl variable.  (ie. if the 'off' case is comparable to the 
'optioned-out' case in terms of speed.)

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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