Date: Sun, 18 Jun 2000 15:25:24 -0700 (PDT) From: Chris Angell <chris@snark.wizard.com> To: "J. Goodleaf" <goodleaf@goodleaf.net> Cc: questions@FreeBSD.ORG Subject: Re: TCP question Message-ID: <Pine.BSF.4.21.0006181523380.94828-100000@snark.wizard.com> In-Reply-To: <Pine.BSF.4.21.0006181501150.18022-100000@clyde.goodleaf.net>
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Thank-you very much for your response! I do portscans on the wizard.com computers to check if there are any ports open that shouldn't be. That is why I get the error. I am a wizard.com technical representative. I'm going to attempt to rebuild the kernel with the ICMP_BANDLIM option changed. Again, thanks a ton! On Sun, 18 Jun 2000, J. Goodleaf wrote: > Well, I can tell you what's causing it, but I'll defer to more > knowledgeable people on what you ought to do about it. You have "options > ICMP_BANDLIM compiled into your kernel. It's purpose, as I understand it, > is to limit replies to ICMP errors. Basically, it should help protect you > from denial of service attacks. Perhaps, instead of recompiling without > it, you could configure it to a different threshhold. I don't know without > looking if that's possible. Check the FAQs and read the relevant part of > the /sys/i386/conf/LINT file. But I'd have to wonder what's happening on > your network connection that's causing the ICMP bandlim to be invoked... > -J > > =============================== > John Goodleaf > goodleaf@goodleaf.net > > PGP key: finger goodleaf@goodleaf.net > =============================== > > On Sun, 18 Jun 2000, Chris Angell wrote: > > > Las Vegas NV 89146 | 1-702-317-2001 > > 1-800-851-4161 | Fax 702-317-2057 > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > > > ---------- Forwarded message ---------- > > Date: Sun, 18 Jun 2000 14:15:31 -0700 (PDT) > > From: Mail Delivery Subsystem <MAILER-DAEMON> > > To: chris@snark.wizard.com > > Subject: Returned mail: Host unknown (Name server: freebsd.com: no data > > known) > > > > The original message was received at Sun, 18 Jun 2000 14:15:31 -0700 (PDT) > > from chris@localhost > > > > ----- The following addresses had permanent fatal errors ----- > > <questions@freebsd.com> > > > > ----- Transcript of session follows ----- > > 550 <questions@freebsd.com>... Host unknown (Name server: freebsd.com: no data known) > > > > ----- Original message follows ----- > > > > Return-Path: <chris@snark.wizard.com> > > Received: from localhost (chris@localhost) > > by snark.wizard.com (8.9.3/8.9.3) with ESMTP id OAA37652 > > for <questions@freebsd.com>; Sun, 18 Jun 2000 14:15:31 -0700 (PDT) > > Date: Sun, 18 Jun 2000 14:15:31 -0700 (PDT) > > From: Chris Angell <chris@snark.wizard.com> > > To: questions@freebsd.com > > Subject: TCP Question > > Message-ID: <Pine.BSF.4.21.0006181409140.32392-100000@snark.wizard.com> > > MIME-Version: 1.0 > > Content-Type: TEXT/PLAIN; charset=US-ASCII > > > > Forgive me for bothering you with this question. > > > > Sometimes I get the message 'chris /kernel: icmp-response bandwidth limit > > 201/200 pps' > > > > 'chris' is my computer name. I am running version 4.0-20000307-CURRENT on > > a regular pentium computer. The message pops up sometimes (when logged in > > as root of course), usually when I ping a host or have a few TCP/IP > > connections open. > > > > Could you instruct me on how to change this restriction? > > > > Thanks, > > > > Chris Angell > > > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > Christopher Angell | Chris@Wizard.Com > > 2001 S. Jones Blvd Suite K | http://www.wizard.com > > Las Vegas NV 89146 | 1-702-317-2001 > > 1-800-851-4161 | Fax 702-317-2057 > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Christopher Angell | Chris@Wizard.Com 2001 S. Jones Blvd Suite K | http://www.wizard.com Las Vegas NV 89146 | 1-702-317-2001 1-800-851-4161 | Fax 702-317-2057 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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