From owner-freebsd-questions Fri Sep 29 15:21:26 2000 Delivered-To: freebsd-questions@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id 113D237B66C for ; Fri, 29 Sep 2000 15:21:22 -0700 (PDT) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id e8TMLJe18872; Fri, 29 Sep 2000 15:21:19 -0700 (PDT) Date: Fri, 29 Sep 2000 15:21:19 -0700 From: Alfred Perlstein To: Spades Cc: questions@FreeBSD.ORG Subject: Re: icmp response bandwidth limit Message-ID: <20000929152119.P27736@fw.wintelcom.net> References: <3.0.32.20000930060014.00b56770@smtp.magix.com.sg> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.4i 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 +0800 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * Spades [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." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message