From owner-freebsd-hackers Tue Feb 6 9:35: 1 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from silby.com (cb34181-c.mdsn1.wi.home.com [24.183.3.139]) by hub.freebsd.org (Postfix) with ESMTP id 029E237B491 for ; Tue, 6 Feb 2001 09:34:41 -0800 (PST) Received: (qmail 14859 invoked by uid 1000); 6 Feb 2001 17:34:40 -0000 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 6 Feb 2001 17:34:40 -0000 Date: Tue, 6 Feb 2001 11:34:40 -0600 (CST) From: Mike Silbersack To: David Malone Cc: milunovic , Subject: Re: echo request deny In-Reply-To: <20010206111510.A25095@salmon.maths.tcd.ie> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, 6 Feb 2001, David Malone wrote: > On Tue, Feb 06, 2001 at 12:05:47PM +0000, milunovic wrote: > > Is there anyway to deny echo request on FreeBSD (except ipfw add deny > > icmp from any to any) ? > > On Linux It was simple,just echo 1>/proc/.../icmp_echo_request > > You can limit the icmp response rate with: > > sysctl -w net.inet.icmp.icmplim=whatever > > where 'whatever' is the number of responses to allow in a second. > You can't set it to zero however. > > David. Echo requests are only limited in -CURRENT right now, I haven't MFC'd the change yet. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message