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Date:      Fri, 29 Sep 2000 15:21:19 -0700
From:      Alfred Perlstein <bright@wintelcom.net>
To:        Spades <spades@galaxynet.org>
Cc:        questions@FreeBSD.ORG
Subject:   Re: icmp response bandwidth limit
Message-ID:  <20000929152119.P27736@fw.wintelcom.net>
In-Reply-To: <3.0.32.20000930060014.00b56770@smtp.magix.com.sg>; from spades@galaxynet.org on Sat, Sep 30, 2000 at 06:00:19AM %2B0800
References:  <3.0.32.20000930060014.00b56770@smtp.magix.com.sg>

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* Spades <spades@galaxynet.org> [000929 15:01] wrote:
> I have lot of these , in /var/log/messages
> 
> How to resolve it?
> 
> 
> Sep 30 05:45:58 irc1 /kernel: icmp-response bandwidth limit 222/200 pps
> Sep 30 05:46:01 irc1 /kernel: icmp-response bandwidth limit 223/200 pps
> Sep 30 05:46:07 irc1 last message repeated 2 times
> Sep 30 05:46:10 irc1 /kernel: icmp-response bandwidth limit 222/200 pps
> Sep 30 05:46:13 irc1 /kernel: icmp-response bandwidth limit 216/200 pps
> Sep 30 05:46:16 irc1 /kernel: icmp-response bandwidth limit 212/200 pps
> Sep 30 05:46:19 irc1 /kernel: icmp-response bandwidth limit 207/200 pps
> Sep 30 05:46:23 irc1 /kernel: icmp-response bandwidth limit 209/200 pps
> Sep 30 05:46:26 irc1 /kernel: icmp-response bandwidth limit 209/200 pps
> Sep 30 05:46:29 irc1 /kernel: icmp-response bandwidth limit 210/200 pps

Probably by making less enemies on IRC.

Seriously, this is most likely the result of a ICMP/UDP/TCP flood
of some sort, you might want to talk to your upstream about it or
make sure your users aren't running programs that might attract
unwanted attacks.

-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


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