Date: Tue, 13 May 2003 16:02:41 +0200 From: Toni Schmidbauer <toni@stderror.at> To: freebsd-questions@FreeBSD.ORG Subject: Re: Pings Message-ID: <20030513140241.GB47458@devil.stderror.at> In-Reply-To: <3EC0F7AA.7090203@buddydog.org> References: <3EC0F7AA.7090203@buddydog.org>
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--Bn2rw/3z4jIqBvZU Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 13, 2003 at 09:48:26AM -0400, Jonathan Arnold wrote: > I'm am getting regular, 1 second pings from an IP run by a South > African ISP. If it wasn't for my DSL modem blinking right in front > of me like a metronome, I probably wouldn't even notice it. And > by using Ethereal (a packet sniffer) I can see the regular Pings > coming in from there, although it recently changed IP address > slightly. >=20 > Now, it isn't enough to even remotely qualify as a DOS attack. It > is merely one ping every second, sort of like checking to see if > I'm still up. But nonetheless, it is annoying. I was wondering if > anyone had any ideas what they might be up to? I've reported it > to abuse on both my ISP and the controlling ISP, and it is slowly > working its way through to resolution, but I'm still curious. we had a similar effect when one of our aix nameservers used icmp echo request packets for path mtu discovery. when a customer queried the server he received one echo request packet. just an idea hth, toni --=20 Behandle die Menschen, als w=E4ren sie, was sie sein | toni at stderror dot= at sollten, und du wirst ihnen helfen, zu werden, was | Toni Schmidbauer sie sein k=F6nnen. - Johann Wolfgang von Goethe | --Bn2rw/3z4jIqBvZU Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+wPsAu/mjSj7RMocRAlR6AJ9cuksvfbC1a7whIRCAfcw50nQxIgCeK6sR 3Rqg048yf/89KfKaPCnE08k= =M+XU -----END PGP SIGNATURE----- --Bn2rw/3z4jIqBvZU--
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