From owner-freebsd-questions@FreeBSD.ORG  Sat Nov 19 02:05:22 2005
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From: "Antonio Gandara" <freebsd@triforce.info>
To: "'Bill Moran'" <wmoran@potentialtech.com>,
	"'Antonio Gandara'" <antonio@triforce.info>
Date: Fri, 18 Nov 2005 20:05:12 -0600
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Cc: freebsd-questions@freebsd.org
Subject: RE: RST response in message log?
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Well that makes sense to me. Thanks for all your replies.

Antonio

-----Original Message-----
From: owner-freebsd-questions@freebsd.org
[mailto:owner-freebsd-questions@freebsd.org] On Behalf Of Bill Moran
Sent: Thursday, November 17, 2005 8:36 PM
To: Antonio Gandara
Cc: freebsd-questions@freebsd.org
Subject: Re: RST response in message log?

Antonio Gandara wrote:
> Hi,
>
> Just had a general question as to this message which appeared in the
> message
> log file and dmesg. While I understand it is reducing response to packets,
> I
> am perplexed as to what causes this to happen? I am running 4.11 Release.
>
> Nov 16 11:07:18 eagle /kernel: Limiting closed port RST response from 300
> to
> 200 packets per second

While there are other things that could cause this, it's almost always
indicative of a portscan.

The RSTs are limited to prevent DoS attacks from generating overly huge
amounts of traffic.

-- 
Bill Moran
Potential Technologies
http://www.potentialtech.com
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