From owner-freebsd-stable Fri Nov 1 21:37:50 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0C90C37B406 for ; Fri, 1 Nov 2002 21:37:49 -0800 (PST) Received: from scan.pnc.com.au (scan.pnc.com.au [203.13.174.123]) by mx1.FreeBSD.org (Postfix) with SMTP id B386443E3B for ; Fri, 1 Nov 2002 21:37:47 -0800 (PST) (envelope-from peterh@ripewithdecay.com) Received: (qmail 28092 invoked by uid 84); 2 Nov 2002 16:47:18 +1100 Received: from unknown (HELO dialup-204.159.220.203.acc01-high-pen.comindico.com.au) (203.13.174.1) by scan.pnc.com.au with SMTP; 2 Nov 2002 16:47:18 +1100 Date: Sat, 2 Nov 2002 16:37:41 +1100 (EST) From: Peter Hoskin X-X-Sender: peterh@extortion.peterh.dropbear.id.au To: "Jeroen C. van Gelderen" Cc: freebsd-stable@FreeBSD.ORG Subject: Re: rate-limiting uptime went backwards? In-Reply-To: <0C73DE87-EE16-11D6-BF9D-000393754B1C@vangelderen.org> Message-ID: <20021102163558.S301-100000@extortion.peterh.dropbear.id.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Those messages are usually due to a faulty system clock. Generally, when you generate a bit of load these messages will appear. The reason why they aren't rate limited is they are an important kernel message. Regards, Peter Hoskin On Fri, 1 Nov 2002, Jeroen C. van Gelderen wrote: > Hi, > > Is there any specific reason why the "microuptime went backwards" > message is not rate-limited? These messages are rather easy to provoke > by the local user tinkering with something as mundane as Java and > constitute a nice local DoS attack. > > -J > -- > Jeroen C. van Gelderen - jeroen@vangelderen.org - +1 242 357 5115 > Incentive Incompatibility > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message