From owner-freebsd-security Thu Jun 14 13:59:22 2001 Delivered-To: freebsd-security@freebsd.org Received: from hex.databits.net (hex.databits.net [207.29.192.16]) by hub.freebsd.org (Postfix) with SMTP id 632D237B403 for ; Thu, 14 Jun 2001 13:59:19 -0700 (PDT) (envelope-from petef@hex.databits.net) Received: (qmail 45698 invoked by uid 1001); 14 Jun 2001 20:59:15 -0000 Date: Thu, 14 Jun 2001 16:59:15 -0400 From: Pete Fritchman To: "Timothy S. Bowers" Cc: freebsd-security@freebsd.org Subject: Re: DOS attack ? Message-ID: <20010614165915.C40416@databits.net> References: <5.0.2.1.2.20010614221434.00aaeec0@nol.co.za> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <5.0.2.1.2.20010614221434.00aaeec0@nol.co.za>; from tim@nol.co.za on Thu, Jun 14, 2001 at 10:20:29PM +0200 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org from xl(4): xl%d: no memory for rx list The driver failed to allocate an mbuf for the receiver ring. You want to increase the "NMBCLUSTERS" kernel config variable. See the archives for appropriate values/etc. It's not necessarily a DOS attack, your machine is just getting a lot of traffic. -pete ++ 14/06/01 22:20 +0200 - Timothy S. Bowers: | I'm getting this same error message all the time, even after I increased the kernel maxusers setting to 512. | bug in 3com drivers ? dos attack ? | | xl1: no memory for rx list -- packet dropped! | | Thanks, | Timothy | | | To Unsubscribe: send mail to majordomo@FreeBSD.org | with "unsubscribe freebsd-security" in the body of the message -- Pete Fritchman Databits Network Services, Inc. finger petef@databits.net for PGP key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message