From owner-freebsd-net Mon May 6 22:57:56 2002 Delivered-To: freebsd-net@freebsd.org Received: from rwcrmhc53.attbi.com (rwcrmhc53.attbi.com [204.127.198.39]) by hub.freebsd.org (Postfix) with ESMTP id 5C3CD37B407 for ; Mon, 6 May 2002 22:57:53 -0700 (PDT) Received: from blossom.cjclark.org ([12.234.91.48]) by rwcrmhc53.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20020507055753.UTE5896.rwcrmhc53.attbi.com@blossom.cjclark.org>; Tue, 7 May 2002 05:57:53 +0000 Received: (from cjc@localhost) by blossom.cjclark.org (8.11.6/8.11.6) id g475vqX89832; Mon, 6 May 2002 22:57:52 -0700 (PDT) (envelope-from cjc) Date: Mon, 6 May 2002 22:57:52 -0700 From: "Crist J. Clark" To: Baldur Gislason Cc: Garrett Wollman , net@FreeBSD.ORG Subject: Re: Junior network hacker tasks... Message-ID: <20020506225752.I89339@blossom.cjclark.org> References: <200205062209.g46M99N8070646@khavrinen.lcs.mit.edu> <20020507022058.EEDA72744@tesla.foo.is> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020507022058.EEDA72744@tesla.foo.is>; from baldur@foo.is on Tue, May 07, 2002 at 02:20:49AM +0000 X-URL: http://people.freebsd.org/~cjc/ 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 Tue, May 07, 2002 at 02:20:49AM +0000, Baldur Gislason wrote: > Also, there's a kernel option: > # RANDOM_IP_ID causes the ID field in IP packets to be randomized > # instead of incremented by 1 with each packet generated. This > # option closes a minor information leak which allows remote > # observers to determine the rate of packet generation on the > # machine by watching the counter. > options RANDOM_IP_ID ...which has absolutely nothing to do with this thread. -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message