Date: Wed, 7 May 2003 14:32:51 +0100 From: "Roger " <raqlist@fareham.org> To: freebsd-security@freebsd.org Subject: Re: IPFW Bandwidth throttling? Message-ID: <3EB91913.3069.4E3B6B49@localhost> In-Reply-To: <Pine.BSF.4.44.0305070900170.96202-100000@thunder.xecu.net>
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Date sent: Wed, 7 May 2003 09:03:55 -0400 (EDT)
From: Chris McGee
Subject: IPFW Bandwidth throttling?
> I am trying to limit outgoing SMTP traffic to about 14 Mbps and these are
> the IPFW rules I am using.
>
> ${fwcmd} add pipe 1 tcp from 192.168.0.0/24 to any 25 out via dc0
> ${fwcmd} pipe 1 config bw 14Mbit/s
>
> I've tried multiple tweaks to the pipe rule and I seem to be missing
> something. I only get about half the bandwidth I specify. Is this normal
> behavior? Is there something wrong with the rule I'm running?
>
> Thanks,
> Chris
man ipfw, didn't show anything obvious, have you checked your
net.inet.ip.fw.one_pass sysctl var. If it's 0 then the rest of your rules run on
the packet as well (I think).
Have you got a return rule set as well ? Is anything limiting what the outside
world is sending back ?
Roger.
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