From owner-freebsd-net Wed Jun 5 20:17:51 2002 Delivered-To: freebsd-net@freebsd.org Received: from leaf.lumiere.net (leaf.lumiere.net [208.44.192.100]) by hub.freebsd.org (Postfix) with ESMTP id BB7DC37B40A for ; Wed, 5 Jun 2002 20:17:47 -0700 (PDT) Received: by leaf.lumiere.net (Postfix, from userid 1082) id 9B24ACD25; Wed, 5 Jun 2002 20:17:47 -0700 (PDT) Date: Wed, 5 Jun 2002 20:17:47 -0700 From: Derrick John Klise To: Peter Brezny Cc: freebsd-net@freebsd.org Subject: Re: currently experiencing some kind of DOS attack? Need help! Message-ID: <20020605201747.C86927@leaf.lumiere.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from peter@skyrunner.net on Wed, Jun 05, 2002 at 11:16:06AM -0400 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wed, Jun 05, 2002 at 11:16:06AM -0400, Peter Brezny wrote: > Discovered this is not a DOS attack, Thanks for your consideration. > > Looks like my qmail install is sending things out faster than my network > card can handle?... > > Thanks again, > > Peter Brezny > Skyrunner.net > > Jun 5 10:05:51 rack /kernel: m_clalloc failed, consider increase > NMBCLUSTERS value You are running out of MBUFs; the memory set aside for networking in the kernel. Please see http://www.freebsd.org/handbook/configtuning-kernel-limits.html (6.10.2 Network Limits) for information regarding the NMBCLUSTERS option in the kernel configuration file. -- Derrick John Klise "I went into a general store, and they wouldn't sell me anything specific". -- Steven Wright To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message